IBA	Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) Delta, Richmond, Surrey, White Rock, British Columbia
Site Summary
BC017	Latitude Longitude	49.100° N 122.968° W	Elevation Size	0 - 5 m 753.96 km²

Habitats: Arable land, Estuarine waters, Intertidal mud, sand & salt flats, Salt & brackish marshes, Temperate coniferous forest, Northern temperate grassland, Open sea, Bogs, Rivers	Land Use: Agriculture, Nature conservation and research, Fisheries/aquaculture, Hunting, Tourism/recreation, Urban/industrial/transport	Potential or ongoing Threats: Housing and urban areas, Commercial and industrial development, Roads and railroads, Shipping lanes, Recreational activities, Invasive alien species, Domestic and urban waste water, Agricultural and forestry effluents and practices, Perennial non-timber crops - agro-industry plantations
IBA Criteria: Globally Significant: Congregatory Species, Waterfowl Concentrations, Colonial Waterbirds/Seabird Concentrations, Shorebird Concentrations, Continentally Significant: Congregatory Species, Nationally Significant: Threatened Species, Congregatory Species, Wading Bird Concentrations
Conservation status: Ducks Unlimited Canada (owned by), Migratory Bird Sanctuary (federal), Nature Trust of British Columbia, National Wildlife Area (federal), Provincial Wildlife Management Area, Ramsar Site (Wetland of International Significance), Regional Park (provincial), Western Hemisphere Shorebird Reserve Network

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Site Description The Boundary Bay - Roberts Bank - Sturgeon Bank site (Fraser River Estuary) is a large complex of interconnected marine, estuarine, freshwater and agricultural habitats in southwestern British Columbia near the city of Vancouver. It includes Boundary Bay, a predominantly marine ecosystem, the estuarine waters of Sturgeon Bank, between the north and south arms of the Fraser River, and Roberts Bank, south of the south arm of the Fraser River. Maritime habitats in the IBA include sand and mud flats, eelgrass, salt marshes, estuarine marshes with sedge, cattails and bulrush and deeper tidal waters. Agricultural habitats within the IBA include the fertile, deltaic farmlands of Richmond, Delta, and south Surrey, which provide important habitat for waterfowl, shorebirds and birds of prey. Patches of forest, including mature coastal Douglas-fir, provide important nesting and roosting habitat for Great Blue Herons and raptors, including Bald Eagles. The network of rivers (Fraser, Serpentine, Nicomekl and Little Campbell) and associated wetlands within the site provided historical as well as current and potential future habitat for waterbirds. Burns Bog, lying in the heart of the delta, is a sphagnum moss wetland surrounded by shore pine and alder forest.

Birds Boundary Bay, Roberts Bank and Sturgeon Bank form one of the richest and most important ecosystems for migrant and wintering waterbirds in Canada. This IBA supports globally or continentally significant populations of fifteen species, including American Wigeon, Northern Pintail, Mallard, Brant, Snow Goose, Trumpeter Swan, Western Sandpiper, Black-bellied Plover, Dunlin, Great Blue Heron, Western Grebe, Red-necked Grebe, Glaucous-winged Gull, Thayer's Gull, and Mew Gull. In addition, the IBA supports nationally significant numbers of Barn Owl and Peregrine Falcon. In total, fifty species of shorebirds have been recorded in the area. The most numerous species found here is the Western Sandpiper - one-day, peak count estimates of at least 500,000 have historically (pre-2001) occurred during spring migration, though more recent estimates range from 120,000-180,000, which is a substantial proportion of the global Western Sandpiper population. Western Sandpiper also pass through on fall migration. Dunlin also occur in large numbers - one-day, peak counts in the spring exceeded 100,000 in 2004 and typically range from 26,000-85,000 birds. Large numbers of Dunlin can occur during fall migration and also overwinter in the delta. Black-bellied Plovers occur during winter and on migration, with one day counts of up to 6,000 birds. Dunlin and Black-bellied Plovers use both agricultural and estuarine habitats. A significant proportion of the Wrangel Island Snow Goose population uses the banks; up to 38,400 regularly winter here; high numbers also occur on passage in fall and spring. The numbers of Snow Geese using the banks change significantly even within one winter because the birds move back and forth to the nearby Skagit River Delta in Washington State. Counts of 60,000 for the entire Fraser-Skagit Delta population are not uncommon between late October and March; about 100,000 birds were counted in 2007. During the fall and early winter, one-day counts of greater than 100,000 dabbling and diving ducks are made regularly in the IBA for species such as American Wigeon (up to 51,000), Northern Pintail (up to 44,000), Mallard (up to 27,000) and Green-winged Teal. Surf Scoters occur in large numbers in marine waters during the winter and in spring (typically 1,000-8,000 individuals); with populations exceeding global IBA thresholds twice since 2001. Many dabbling ducks use the agricultural lands and estuarine habitats. Significant numbers of Trumpeter Swans winter in the IBA (up to 1,455 in 2010). Brant winter in marine waters of the IBA (4,080 in 2010) and pass through on spring migration. Most are Black Brant (Branta bernicla nigricans). In recent years, about 200 Western High Arctic, or Grey-bellied Geese have been present in winter. During the late summer and early fall, the area is also very important for moulting grebes. Historically, between 2,000 and 3,000 Western Grebes were regularly present in Boundary Bay, and a separate study reported over 2,000 on the estuarine banks (Stout and Cooke 2003, Butler and Cannings 1989). In recent years, Western Grebes have declined steeply; counts since 2003 have ranged from 200-1000 individuals and no longer exceed IBA thresholds. This significant decline has been noted throughout the Salish Sea (in British Columbia and Washington); the reasons for the decline are not clear and are under investigation (Wilson et al. 2013). Red-necked Grebes are also present in the IBA during spring and fall migration and winter; counts have exceeded IBA thresholds in four years since 2001, with a peak count of 2,716 in 2002. Glaucous-winged Gulls are present year-round and occur in significant numbers during the winter, with a peak count exceeding 55,000 in 2006. Large numbers feed at the Vancouver Landfill in Burns Bog and roost on surrounding fields and on marine waters of Boundary Bay, Roberts and Sturgeon Banks. Significant numbers of Mew Gulls are also present in the fall (counts up to 1,217 in 2007) and winter (up to 3,770 in 2005). Thayer's Gull occurs in significant numbers in the winter as well, with up to 623 counted in 2001. The IBA supports important numbers of three species determined to be Threatened or Special Concern by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC; wildlife species that have been assessed as at risk by COSEWIC may qualify for legal protection and recovery under Canada's Species at Risk Act). Great Blue Heron (A.h. fannini subspecies) (Special Concern, COSEWIC) has several colonies in the IBA, including a very large one on a forested bluff adjacent to Roberts Bank and the Tsawwassen ferry jetty, with about 250-450 nests (Welstead, pers comm.). These herons are resident, and feed in intertidal areas during the breeding season, as well as on farmland, especially in winter. Barn Owl (Threatened, COSEWIC) nest in and around farmlands within the IBA; up to 106 nest sites were active over six years from 2006-2012 (Hindmarch, pers comm.). Peregrine Falcon (Special Concern, COSEWIC) regularly occurs during the winter. The number of Bald Eagles using the IBA in the winter has also increased in recent years and may exceed IBA thresholds in the future.

Criteria Version: Current Original (circa 2000) Date Range: All Pre-2000 Post-2000 Last 10 Years Display: Summary Details IBA Criteria Species↓ T | A | I Number Year Month Day Season A4i/ii B4i/ii/iii A1 B1 C1 Reference Waterbirds 130,421 1988 10 1 FA 20,000 Butler & Cannings 1989 Waterbirds 190,122 1988 11 1 FA 20,000 Butler & Cannings 1989 Waterbirds 180,000 1991 12 23 WI 20,000 91-92 CBC Waterbirds 250,000 1995 1 1 WI 20,000 Brant 4,763 1998 4 23 SP 5,637 3,517 Brant 4,751 1999 4 23 SP 5,637 3,517 Brant 2,878 2006 12 23 WI 5,637 3,517 Christmas Bird Counts Brant 3,100 2010 5 2 SP 5,637 3,517 eBird Canada Brant 4,080 2010 11 29 FA 5,637 3,517 Richard Swanston unpublished Brant 3,500 2012 3 27 SP 5,637 3,517 Richard Swanston unpublished Brant 4,370 2013 4 23 SP 5,637 3,517 Richard Swanston unpublished Brant 2,839 2013 12 22 WI 5,637 3,517 Christmas Bird Counts Brant 4,800 2014 12 21 WI 5,637 3,517 Christmas Bird Counts Brant 4,500 2016 4 14 SP 5,637 3,517 eBird Canada Brant 3,000 2017 3 31 SP 5,637 3,517 eBird Canada Brant 3,000 2018 4 10 SP 5,637 3,517 eBird Canada Trumpeter Swan 431 1990 12 23 WI 340 340 Christmas Bird Counts Trumpeter Swan 440 1991 1 13 WI 340 340 eBird Canada Trumpeter Swan 400 1991 2 10 WI 340 340 eBird Canada Trumpeter Swan 350 1991 2 16 WI 340 340 eBird Canada Trumpeter Swan 325 1991 12 23 WI 340 340 Christmas Bird Counts Trumpeter Swan 700 1992 WI 340 340 Boyd 1994 Trumpeter Swan 300 1992 1 12 WI 340 340 eBird Canada Trumpeter Swan 423 1992 12 27 WI 340 340 Christmas Bird Counts Trumpeter Swan 500 1994 1 31 WI 340 340 eBird Canada Trumpeter Swan 425 1994 2 11 WI 340 340 eBird Canada Trumpeter Swan 500 1994 2 13 WI 340 340 eBird Canada Trumpeter Swan 776 1994 12 27 WI 340 340 Christmas Bird Counts Trumpeter Swan 776 1994 12 27 WI 340 340 94-95 CBC Trumpeter Swan 526 1995 WI 340 340 Trumpeter Swan 375 1995 11 19 FA 340 340 eBird Canada Trumpeter Swan 645 1995 12 23 WI 340 340 Christmas Bird Counts Trumpeter Swan 415 1995 12 26 WI 340 340 eBird Canada Trumpeter Swan 311 1995 12 29 WI 340 340 eBird Canada Trumpeter Swan 400 1996 2 12 WI 340 340 eBird Canada Trumpeter Swan 510 1996 2 18 WI 340 340 eBird Canada Trumpeter Swan 500 1997 1 1 WI 340 340 eBird Canada Trumpeter Swan 551 1997 1 3 WI 340 340 Christmas Bird Counts Trumpeter Swan 551 1997 3 1 SP 340 340 Christmas Bird Counts Trumpeter Swan 860 1997 12 28 WI 340 340 Christmas Bird Counts Trumpeter Swan 350 1998 1 18 WI 340 340 eBird Canada Trumpeter Swan 400 1998 2 5 WI 340 340 eBird Canada Trumpeter Swan 300 1998 2 14 WI 340 340 eBird Canada Trumpeter Swan 573 1998 12 28 WI 340 340 Christmas Bird Counts Trumpeter Swan 270 1998 12 29 WI 340 340 eBird Canada Trumpeter Swan 300 1999 12 4 WI 340 340 eBird Canada Trumpeter Swan 810 2000 12 23 WI 340 340 Christmas Bird Counts Trumpeter Swan 810 2001 WI 340 340 CBC Ladner Trumpeter Swan 834 2001 12 23 WI 340 340 Christmas Bird Counts Trumpeter Swan 834 2002 WI 340 340 CBC Ladner Trumpeter Swan 260 2002 2 13 WI 340 340 British Columbia Coastal Waterbirds Survey Trumpeter Swan 853 2002 12 22 WI 340 340 Christmas Bird Counts Trumpeter Swan 853 2003 WI 340 340 CBC Ladner Trumpeter Swan 300 2003 1 2 WI 340 340 eBird Canada Trumpeter Swan 305 2003 1 6 WI 340 340 eBird Canada Trumpeter Swan 315 2003 2 2 WI 340 340 eBird Canada Trumpeter Swan 297 2003 2 6 WI 340 340 eBird Canada Trumpeter Swan 348 2003 12 21 WI 340 340 Christmas Bird Counts Trumpeter Swan 348 2004 WI 340 340 CBC Ladner Trumpeter Swan 260 2004 2 1 WI 340 340 eBird Canada Trumpeter Swan 347 2004 2 8 WI 340 340 eBird Canada Trumpeter Swan 270 2004 2 15 WI 340 340 Great Backyard Bird Count Trumpeter Swan 933 2004 12 27 WI 340 340 Christmas Bird Counts Trumpeter Swan 310 2004 12 30 WI 340 340 eBird Canada Trumpeter Swan 933 2005 WI 340 340 CBC Ladner Trumpeter Swan 774 2005 1 27 WI 340 340 CWS unpublished Trumpeter Swan 692 2005 12 27 WI 340 340 Christmas Bird Counts Trumpeter Swan 692 2006 WI 340 340 CBC Ladner Trumpeter Swan 430 2006 1 18 WI 340 340 eBird Canada Trumpeter Swan 503 2006 1 18 WI 340 340 CWS unpublished Trumpeter Swan 926 2006 12 23 WI 340 340 Christmas Bird Counts Trumpeter Swan 260 2006 12 23 WI 340 340 eBird Canada Trumpeter Swan 926 2007 WI 340 340 CBC Ladner Trumpeter Swan 264 2007 1 14 WI 340 340 eBird Canada Trumpeter Swan 341 2007 1 15 WI 340 340 eBird Canada Trumpeter Swan 620 2007 2 3 WI 340 340 CWS unpublished Trumpeter Swan 278 2007 2 7 WI 340 340 eBird Canada Trumpeter Swan 317 2007 2 9 WI 340 340 eBird Canada Trumpeter Swan 260 2007 2 10 WI 340 340 eBird Canada Trumpeter Swan 400 2007 2 27 WI 340 340 eBird Canada Trumpeter Swan 400 2007 2 28 WI 340 340 eBird Canada Trumpeter Swan 500 2007 3 4 SP 340 340 eBird Canada Trumpeter Swan 279 2007 3 8 SP 340 340 eBird Canada Trumpeter Swan 400 2007 3 13 SP 340 340 eBird Canada Trumpeter Swan 343 2007 3 15 SP 340 340 eBird Canada Trumpeter Swan 723 2007 12 23 WI 340 340 Christmas Bird Counts Trumpeter Swan 357 2007 12 31 WI 340 340 eBird Canada Trumpeter Swan 723 2008 WI 340 340 CBC Ladner Trumpeter Swan 432 2008 1 5 WI 340 340 eBird Canada Trumpeter Swan 497 2008 1 21 WI 340 340 CWS unpublished Trumpeter Swan 455 2008 2 9 WI 340 340 eBird Canada Trumpeter Swan 435 2008 2 9 WI 340 340 eBird Canada Trumpeter Swan 470 2008 2 10 WI 340 340 British Columbia Coastal Waterbirds Survey Trumpeter Swan 500 2008 2 18 WI 340 340 Great Backyard Bird Count Trumpeter Swan 400 2008 2 18 WI 340 340 eBird Canada Trumpeter Swan 270 2008 2 27 WI 340 340 eBird Canada Trumpeter Swan 264 2008 2 29 WI 340 340 eBird Canada Trumpeter Swan 257 2008 3 2 SP 340 340 eBird Canada Trumpeter Swan 284 2008 11 30 FA 340 340 eBird Canada Trumpeter Swan 430 2009 WI 340 340 CBC Ladner Trumpeter Swan 430 2009 1 4 WI 340 340 Christmas Bird Counts Trumpeter Swan 300 2009 1 7 WI 340 340 eBird Canada Trumpeter Swan 500 2009 1 13 WI 340 340 eBird Canada Trumpeter Swan 300 2009 1 13 WI 340 340 eBird Canada Trumpeter Swan 300 2009 1 25 WI 340 340 eBird Canada Trumpeter Swan 420 2009 2 9 WI 340 340 CWS unpublished Trumpeter Swan 500 2009 2 12 WI 340 340 eBird Canada Trumpeter Swan 490 2009 2 15 WI 340 340 Great Backyard Bird Count Trumpeter Swan 490 2009 2 15 WI 340 340 eBird Canada Trumpeter Swan 300 2009 2 21 WI 340 340 eBird Canada Trumpeter Swan 430 2009 4 1 SP 340 340 Christmas Bird Counts Trumpeter Swan 507 2009 12 27 WI 340 340 eBird Canada Trumpeter Swan 1,455 2009 12 27 WI 340 340 Christmas Bird Counts Trumpeter Swan 1,455 2010 WI 340 340 CBC Ladner Trumpeter Swan 306 2010 1 3 WI 340 340 Christmas Bird Counts Trumpeter Swan 438 2010 11 29 FA 340 340 eBird Canada Trumpeter Swan 400 2010 11 30 FA 340 340 eBird Canada Trumpeter Swan 287 2010 12 20 WI 340 340 eBird Canada Trumpeter Swan 1,867 2010 12 27 WI 340 340 Christmas Bird Counts Trumpeter Swan 375 2011 1 6 WI 340 340 eBird Canada Trumpeter Swan 413 2011 1 22 WI 340 340 eBird Canada Trumpeter Swan 400 2011 1 27 WI 340 340 eBird Canada Trumpeter Swan 450 2011 1 29 WI 340 340 eBird Canada Trumpeter Swan 400 2011 1 30 WI 340 340 eBird Canada Trumpeter Swan 330 2011 11 25 FA 340 340 eBird Canada Trumpeter Swan 903 2011 12 27 WI 340 340 Christmas Bird Counts Trumpeter Swan 294 2012 11 18 FA 340 340 eBird Canada Trumpeter Swan 1,418 2012 12 23 WI 340 340 Christmas Bird Counts Trumpeter Swan 500 2013 1 11 WI 340 340 eBird Canada Trumpeter Swan 545 2013 1 25 WI 340 340 eBird Canada Trumpeter Swan 650 2013 1 26 WI 340 340 eBird Canada Trumpeter Swan 550 2013 1 27 WI 340 340 eBird Canada Trumpeter Swan 500 2013 2 1 WI 340 340 eBird Canada Trumpeter Swan 500 2013 2 3 WI 340 340 eBird Canada Trumpeter Swan 275 2013 3 3 SP 340 340 eBird Canada Trumpeter Swan 400 2014 1 1 WI 340 340 eBird Canada Trumpeter Swan 344 2014 1 1 WI 340 340 eBird Canada Trumpeter Swan 340 2014 1 3 WI 340 340 eBird Canada Trumpeter Swan 520 2014 1 4 WI 340 340 eBird Canada Trumpeter Swan 812 2014 12 21 WI 340 340 Christmas Bird Counts Trumpeter Swan 300 2014 12 29 WI 340 340 eBird Canada Trumpeter Swan 440 2015 1 11 WI 340 340 eBird Canada Trumpeter Swan 440 2015 1 13 WI 340 340 eBird Canada Trumpeter Swan 450 2015 1 16 WI 340 340 eBird Canada Trumpeter Swan 500 2015 1 23 WI 340 340 eBird Canada Trumpeter Swan 310 2016 1 23 WI 340 340 eBird Canada Trumpeter Swan 1,090 2016 12 27 WI 340 340 Christmas Bird Counts Trumpeter Swan 377 2017 1 28 WI 340 340 eBird Canada Trumpeter Swan 450 2018 1 3 WI 340 340 eBird Canada Trumpeter Swan 280 2018 11 18 FA 340 340 eBird Canada:IBA Protocol Trumpeter Swan 297 2020 1 29 WI 340 340 eBird Canada Trumpeter Swan 331 2020 2 3 WI 340 340 eBird Canada American Wigeon 42,726 1982 12 27 WI 22,300 22,300 Campbell et al. 1990 American Wigeon 50,610 1988 10 15 FA 22,300 22,300 Butler & Cannings 1989 American Wigeon 34,144 1988 11 15 FA 22,300 22,300 Butler & Cannings 1989 American Wigeon 29,274 1988 12 15 WI 22,300 22,300 Butler & Cannings 1989 American Wigeon 57,901 1991 12 23 WI 22,300 22,300 91-92 CBC American Wigeon 57,901 1991 12 23 WI 22,300 22,300 Christmas Bird Counts American Wigeon 28,989 1992 12 27 WI 22,300 22,300 Christmas Bird Counts American Wigeon 53,179 1993 12 27 WI 22,300 22,300 Christmas Bird Counts American Wigeon 25,853 1994 12 27 WI 22,300 22,300 Christmas Bird Counts American Wigeon 30,500 1995 WI 22,300 22,300 American Wigeon 30,170 1995 12 23 WI 22,300 22,300 Christmas Bird Counts American Wigeon 27,300 1997 12 28 WI 22,300 22,300 Christmas Bird Counts American Wigeon 22,571 1998 12 28 WI 22,300 22,300 Christmas Bird Counts American Wigeon 25,000 2000 10 29 FA 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 50,871 2000 12 23 WI 22,300 22,300 Christmas Bird Counts American Wigeon 50,871 2001 WI 22,300 22,300 CBC Ladner American Wigeon 35,418 2001 12 23 WI 22,300 22,300 Christmas Bird Counts American Wigeon 35,418 2002 WI 22,300 22,300 CBC Ladner American Wigeon 39,235 2002 12 22 WI 22,300 22,300 Christmas Bird Counts American Wigeon 39,235 2003 WI 22,300 22,300 CBC Ladner American Wigeon 47,252 2003 12 21 WI 22,300 22,300 Christmas Bird Counts American Wigeon 23,886 2003 12 28 WI 22,300 22,300 Christmas Bird Counts American Wigeon 47,252 2004 WI 22,300 22,300 CBC Ladner American Wigeon 43,000 2004 11 21 FA 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 20,143 2004 12 27 WI 22,300 22,300 Christmas Bird Counts American Wigeon 20,143 2005 WI 22,300 22,300 CBC Ladner American Wigeon 48,203 2005 12 27 WI 22,300 22,300 Christmas Bird Counts American Wigeon 48,203 2006 WI 22,300 22,300 CBC Ladner American Wigeon 35,500 2006 10 10 FA 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 22,000 2006 11 11 FA 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 21,900 2006 12 12 WI 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 31,223 2006 12 23 WI 22,300 22,300 Christmas Bird Counts American Wigeon 17,196 2006 12 30 WI 22,300 22,300 Christmas Bird Counts American Wigeon 37,000 2007 10 11 FA 22,300 22,300 BCCWS American Wigeon 21,650 2007 10 14 FA 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 37,000 2007 11 10 FA 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 19,700 2007 12 9 WI 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 37,438 2007 12 23 WI 22,300 22,300 Christmas Bird Counts American Wigeon 37,438 2008 WI 22,300 22,300 CBC Ladner American Wigeon 28,000 2008 11 9 FA 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 25,054 2009 12 27 WI 22,300 22,300 Christmas Bird Counts American Wigeon 25,054 2010 WI 22,300 22,300 CBC Ladner American Wigeon 22,000 2010 10 17 FA 22,300 22,300 eBird Canada American Wigeon 38,817 2010 12 27 WI 22,300 22,300 Christmas Bird Counts American Wigeon 58,860 2011 12 27 WI 22,300 22,300 Christmas Bird Counts American Wigeon 17,799 2012 12 23 WI 22,300 22,300 Christmas Bird Counts American Wigeon 51,314 2013 12 22 WI 22,300 22,300 Christmas Bird Counts American Wigeon 30,480 2013 12 22 WI 22,300 22,300 eBird Canada American Wigeon 19,586 2014 12 21 WI 22,300 22,300 Christmas Bird Counts American Wigeon 20,000 2015 10 24 FA 22,300 22,300 eBird Canada American Wigeon 20,000 2015 11 4 FA 22,300 22,300 eBird Canada American Wigeon 20,000 2015 11 8 FA 22,300 22,300 eBird Canada American Wigeon 20,000 2015 12 25 WI 22,300 22,300 eBird Canada American Wigeon 33,655 2016 12 27 WI 22,300 22,300 Christmas Bird Counts American Wigeon 20,000 2017 10 1 FA 22,300 22,300 eBird Canada American Wigeon 20,000 2017 10 28 FA 22,300 22,300 eBird Canada American Wigeon 32,420 2017 11 12 FA 22,300 22,300 eBird Canada American Wigeon 32,420 2017 11 12 FA 22,300 22,300 British Columbia Coastal Waterbirds Survey American Wigeon 52,131 2018 11 18 FA 22,300 22,300 eBird Canada:IBA Protocol American Wigeon 17,000 2018 12 1 WI 22,300 22,300 eBird Canada American Wigeon 20,000 2019 10 19 FA 22,300 22,300 eBird Canada American Wigeon 36,000 2019 10 19 FA 22,300 22,300 eBird Canada Northern Pintail 48,981 1982 12 27 WI 53,500 25,600 82-83 CBC Northern Pintail 30,399 1988 10 15 FA 53,500 25,600 Butler & Cannings 1989 Northern Pintail 22,412 1988 11 15 FA 53,500 25,600 Butler & Cannings 1989 Northern Pintail 29,172 1988 12 15 WI 53,500 25,600 Butler & Cannings 1989 Northern Pintail 55,070 1991 12 23 WI 53,500 25,600 91-92 CBC Northern Pintail 55,070 1991 12 23 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 26,070 1992 12 27 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 23,053 1993 12 27 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 39,185 1994 12 27 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 24,940 1995 WI 53,500 25,600 Northern Pintail 23,092 1995 12 23 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 37,000 2000 10 29 FA 53,500 25,600 eBird Canada Northern Pintail 31,600 2000 10 29 FA 53,500 25,600 British Columbia Coastal Waterbirds Survey Northern Pintail 31,413 2000 12 23 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 31,413 2001 WI 53,500 25,600 CBC Ladner Northern Pintail 25,730 2002 12 22 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 25,730 2003 WI 53,500 25,600 CBC Ladner Northern Pintail 43,830 2003 12 21 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 43,830 2004 WI 53,500 25,600 CBC Ladner Northern Pintail 36,500 2004 11 21 FA 53,500 25,600 British Columbia Coastal Waterbirds Survey Northern Pintail 19,500 2006 10 10 FA 53,500 25,600 BCCWS Northern Pintail 19,500 2006 10 10 FA 53,500 25,600 British Columbia Coastal Waterbirds Survey Northern Pintail 27,919 2006 12 23 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 27,919 2007 WI 53,500 25,600 CBC Ladner Northern Pintail 25,000 2010 9 30 FA 53,500 25,600 eBird Canada Northern Pintail 33,000 2010 10 4 FA 53,500 25,600 eBird Canada Northern Pintail 38,685 2010 12 27 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 21,496 2011 12 27 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 25,000 2012 10 10 FA 53,500 25,600 eBird Canada Northern Pintail 23,811 2013 12 22 WI 53,500 25,600 Christmas Bird Counts Northern Pintail 25,000 2015 10 24 FA 53,500 25,600 eBird Canada Northern Pintail 20,000 2015 11 4 FA 53,500 25,600 eBird Canada Northern Pintail 30,000 2016 10 22 FA 53,500 25,600 eBird Canada Northern Pintail 20,000 2019 10 19 FA 53,500 25,600 eBird Canada Northern Pintail 24,000 2019 10 19 FA 53,500 25,600 eBird Canada Northern Pintail 20,000 2019 10 20 FA 53,500 25,600 eBird Canada Green-winged Teal 23,472 1991 12 23 WI 64,325 21,700 Christmas Bird Counts Greater Scaup 6,000 1991 1 27 WI 13,000 5,600 eBird Canada Greater Scaup 5,000 1991 2 10 WI 13,000 5,600 eBird Canada Greater Scaup 5,376 1991 12 22 WI 13,000 5,600 eBird Canada Greater Scaup 8,165 1991 12 23 WI 13,000 5,600 Christmas Bird Counts Greater Scaup 6,166 1993 12 27 WI 13,000 5,600 Christmas Bird Counts Greater Scaup 6,900 2000 4 16 SP 13,000 5,600 British Columbia Coastal Waterbirds Survey Greater Scaup 5,103 2007 12 23 WI 13,000 5,600 Christmas Bird Counts Greater Scaup 6,100 2020 3 9 SP 13,000 5,600 eBird Canada Greater Scaup 5,000 2020 4 4 SP 13,000 5,600 eBird Canada Surf Scoter 8,000 1997 3 12 SP 7,000 7,000 eBird Canada Surf Scoter 18,000 1998 3 13 SP 7,000 7,000 eBird Canada Surf Scoter 10,400 2000 2 13 WI 7,000 7,000 British Columbia Coastal Waterbirds Survey Surf Scoter 90,012 2000 3 11 SP 7,000 7,000 British Columbia Coastal Waterbirds Survey Surf Scoter 10,000 2000 4 14 SP 7,000 7,000 eBird Canada Surf Scoter 65,000 2000 4 16 SP 7,000 7,000 British Columbia Coastal Waterbirds Survey Surf Scoter 6,400 2001 2 10 WI 7,000 7,000 British Columbia Coastal Waterbirds Survey Surf Scoter 28,200 2001 3 10 SP 7,000 7,000 BCCWS Surf Scoter 28,200 2001 3 10 SP 7,000 7,000 British Columbia Coastal Waterbirds Survey Surf Scoter 6,000 2001 4 9 SP 7,000 7,000 British Columbia Coastal Waterbirds Survey Surf Scoter 15,000 2001 5 4 SP 7,000 7,000 eBird Canada Surf Scoter 8,000 2004 10 13 FA 7,000 7,000 eBird Canada Surf Scoter 8,000 2004 10 13 FA 7,000 7,000 eBird Surf Scoter 6,000 2005 2 18 WI 7,000 7,000 eBird Surf Scoter 6,000 2005 2 18 WI 7,000 7,000 eBird Canada Surf Scoter 6,000 2005 4 6 SP 7,000 7,000 eBird Canada Surf Scoter 6,000 2006 2 12 WI 7,000 7,000 eBird Canada Surf Scoter 6,000 2006 12 2 WI 7,000 7,000 eBird Surf Scoter 10,000 2009 2 15 WI 7,000 7,000 Great Backyard Bird Count Surf Scoter 15,000 2015 2 14 WI 7,000 7,000 eBird Canada White-winged Scoter 10,010 2000 3 11 SP 23,500 5,000 British Columbia Coastal Waterbirds Survey White-winged Scoter 6,300 2000 4 16 SP 23,500 5,000 British Columbia Coastal Waterbirds Survey White-winged Scoter 12,111 2001 3 10 SP 23,500 5,000 British Columbia Coastal Waterbirds Survey Red-breasted Merganser 6,700 2000 4 16 SP 5,600 2,500 British Columbia Coastal Waterbirds Survey Red-breasted Merganser 2,120 2001 2 10 WI 5,600 2,500 British Columbia Coastal Waterbirds Survey Red-breasted Merganser 5,000 2001 3 10 SP 5,600 2,500 British Columbia Coastal Waterbirds Survey Black Oystercatcher 105 2018 12 9 WI 100 100 British Columbia Coastal Waterbirds Survey Black Oystercatcher 105 2018 12 9 WI 100 100 eBird Canada Black Oystercatcher 80 2019 11 7 FA 100 100 eBird Canada Black-bellied Plover 4,547 1988 4 15 SP 6,920 2,000 Butler & Cannings 1989 Black-bellied Plover 4,286 1988 9 15 FA 6,920 2,000 Butler & Cannings 1989 Black-bellied Plover 1,600 1990 WI 6,920 2,000 Butler 1994 Black-bellied Plover 1,600 1991 8 13 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 1992 8 23 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,061 1992 12 27 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 3,000 1993 9 12 FA 6,920 2,000 eBird Canada Black-bellied Plover 3,000 1994 9 26 FA 6,920 2,000 eBird Canada Black-bellied Plover 8,000 2000 4 17 SP 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 2,000 2000 10 23 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2000 11 22 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2002 10 5 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2002 10 5 FA 6,920 2,000 eBird Black-bellied Plover 1,950 2002 12 22 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 1,950 2003 WI 6,920 2,000 CBC Ladner Black-bellied Plover 1,700 2003 8 7 FA 6,920 2,000 eBird Canada Black-bellied Plover 6,028 2003 12 21 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 6,028 2004 WI 6,920 2,000 CBC Ladner Black-bellied Plover 2,000 2004 8 18 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2004 8 20 FA 6,920 2,000 eBird Canada Black-bellied Plover 5,750 2004 10 9 FA 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 6,855 2004 12 27 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 6,855 2005 WI 6,920 2,000 CBC Ladner Black-bellied Plover 2,500 2005 2 13 WI 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 2,115 2005 4 21 SP 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 1,613 2005 12 27 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 2,800 2006 9 16 FA 6,920 2,000 eBird Black-bellied Plover 2,800 2006 9 16 FA 6,920 2,000 eBird Canada Black-bellied Plover 3,728 2006 12 23 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 3,728 2007 WI 6,920 2,000 CBC Ladner Black-bellied Plover 3,000 2007 8 26 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,948 2007 12 23 WI 6,920 2,000 eBird Canada Black-bellied Plover 2,401 2007 12 23 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 1,705 2008 2 10 WI 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 2,104 2008 4 12 SP 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 2,500 2008 9 2 FA 6,920 2,000 eBird Black-bellied Plover 2,500 2008 9 2 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2009 8 15 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2009 8 15 FA 6,920 2,000 eBird Black-bellied Plover 1,600 2009 9 15 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,808 2009 12 27 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 3,040 2010 8 12 FA 6,920 2,000 eBird Canada Black-bellied Plover 3,040 2010 8 12 SU 6,920 2,000 eBird Black-bellied Plover 3,000 2010 8 14 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,600 2010 9 3 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,700 2010 9 30 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,792 2011 2 13 WI 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 2,000 2011 8 5 FA 6,920 2,000 eBird Canada Black-bellied Plover 5,000 2011 9 13 FA 6,920 2,000 eBird Black-bellied Plover 4,000 2011 9 13 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2011 9 14 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,134 2011 12 27 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 2,000 2012 8 5 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2012 8 19 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,700 2012 9 23 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2012 10 10 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2012 10 17 FA 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 2,500 2013 8 25 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2013 8 25 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2013 8 27 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2013 10 16 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2014 9 11 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2014 9 17 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2014 10 10 FA 6,920 2,000 eBird Canada Black-bellied Plover 3,160 2014 12 21 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 2,100 2015 2 16 WI 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 1,720 2015 4 12 SP 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 2,000 2015 8 27 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2015 8 28 FA 6,920 2,000 eBird Canada Black-bellied Plover 3,360 2016 4 11 SP 6,920 2,000 British Columbia Coastal Waterbirds Survey Black-bellied Plover 2,000 2016 9 10 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,647 2016 12 27 WI 6,920 2,000 Christmas Bird Counts Black-bellied Plover 2,500 2017 8 16 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,850 2017 8 17 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2017 8 20 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2017 8 26 FA 6,920 2,000 eBird Canada Black-bellied Plover 3,200 2017 9 2 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2017 9 5 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2017 9 16 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2018 2 2 WI 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2018 9 2 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,300 2018 9 2 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,200 2018 9 19 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2018 9 23 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,100 2018 10 17 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,500 2018 10 19 FA 6,920 2,000 eBird Canada Black-bellied Plover 3,000 2019 9 1 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2019 9 7 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,750 2020 8 2 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,600 2020 8 2 FA 6,920 2,000 eBird Canada Black-bellied Plover 2,000 2020 8 8 FA 6,920 2,000 eBird Canada Black-bellied Plover 1,600 2020 9 15 FA 6,920 2,000 eBird Canada Long-billed Dowitcher 2,600 2010 10 5 FA 1,600 1,600 eBird Canada Long-billed Dowitcher 2,000 2010 10 16 FA 1,600 1,600 eBird Canada Long-billed Dowitcher 2,000 2010 10 17 FA 1,600 1,600 eBird Canada Long-billed Dowitcher 1,500 2010 10 17 FA 1,600 1,600 eBird Canada Long-billed Dowitcher 2,450 2010 10 31 FA 1,600 1,600 eBird Canada Long-billed Dowitcher 1,400 2018 10 31 FA 1,600 1,600 eBird Canada Sanderling 2,500 2011 3 13 SP 6,600 3,000 British Columbia Coastal Waterbirds Survey Sanderling 3,000 2011 4 10 SP 6,600 3,000 British Columbia Coastal Waterbirds Survey Dunlin 50,000 1976 10 26 FA 55,500 15,300 Campbell et al. 1990 Dunlin 60,000 1978 12 1 WI 55,500 15,300 Campbell et al. 1990 Dunlin 126,285 1988 4 15 SP 55,500 15,300 Butler & Cannings 1989 Dunlin 97,481 1988 10 15 FA 55,500 15,300 Butler & Cannings 1989 Dunlin 76,398 1988 11 15 FA 55,500 15,300 Butler & Cannings 1989 Dunlin 53,017 1988 12 15 WI 55,500 15,300 Butler & Cannings 1989 Dunlin 92,805 1989 1 15 WI 55,500 15,300 Butler & Cannings 1989 Dunlin 15,000 1990 11 17 FA 55,500 15,300 eBird Canada Dunlin 20,005 1990 12 23 WI 55,500 15,300 Christmas Bird Counts Dunlin 15,150 1991 12 22 WI 55,500 15,300 eBird Canada Dunlin 61,106 1991 12 23 WI 55,500 15,300 91-92 CBC Dunlin 61,106 1991 12 23 WI 55,500 15,300 Christmas Bird Counts Dunlin 17,381 1991 12 29 WI 55,500 15,300 Christmas Bird Counts Dunlin 25,000 1992 10 15 FA 55,500 15,300 eBird Canada Dunlin 49,713 1992 12 27 WI 55,500 15,300 Christmas Bird Counts Dunlin 33,168 1993 12 27 WI 55,500 15,300 Christmas Bird Counts Dunlin 13,570 1994 2 6 WI 55,500 15,300 eBird Canada Dunlin 16,900 1994 12 24 WI 55,500 15,300 eBird Canada Dunlin 15,287 1994 12 27 WI 55,500 15,300 Christmas Bird Counts Dunlin 29,000 1995 WI 55,500 15,300 Dunlin 20,000 1995 3 11 SP 55,500 15,300 eBird Canada Dunlin 28,953 1995 12 23 WI 55,500 15,300 Christmas Bird Counts Dunlin 50,000 1996 1 7 WI 55,500 15,300 eBird Canada Dunlin 18,000 1996 4 28 SP 55,500 15,300 eBird Canada Dunlin 16,930 1997 1 3 WI 55,500 15,300 Christmas Bird Counts Dunlin 16,930 1997 3 1 SP 55,500 15,300 Christmas Bird Counts Dunlin 35,120 1997 12 28 WI 55,500 15,300 Christmas Bird Counts Dunlin 16,372 1998 1 3 WI 55,500 15,300 Christmas Bird Counts Dunlin 12,485 1998 12 28 WI 55,500 15,300 Christmas Bird Counts Dunlin 50,000 1999 1 26 WI 55,500 15,300 eBird Canada Dunlin 30,000 1999 11 13 FA 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 27,000 2000 1 10 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 20,000 2000 4 13 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 15,000 2000 4 17 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 26,000 2000 4 24 SP 55,500 15,300 CWS unpublished Dunlin 17,000 2000 10 21 FA 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 60,000 2000 10 29 FA 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 30,000 2000 11 15 FA 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 20,000 2000 11 22 FA 55,500 15,300 eBird Canada Dunlin 16,000 2000 12 2 WI 55,500 15,300 eBird Canada Dunlin 12,500 2000 12 9 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 40,150 2000 12 23 WI 55,500 15,300 eBird Canada Dunlin 60,493 2000 12 23 WI 55,500 15,300 Christmas Bird Counts Dunlin 60,493 2001 WI 55,500 15,300 CBC Ladner Dunlin 15,000 2001 4 9 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 26,811 2001 4 19 SP 55,500 15,300 CWS unpublished Dunlin 12,000 2001 12 7 WI 55,500 15,300 eBird Canada Dunlin 16,000 2001 12 7 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 21,000 2001 12 7 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 57,740 2001 12 23 WI 55,500 15,300 Christmas Bird Counts Dunlin 57,740 2002 WI 55,500 15,300 CBC Ladner Dunlin 12,000 2002 11 10 FA 55,500 15,300 eBird Canada Dunlin 20,000 2002 11 24 FA 55,500 15,300 eBird Canada Dunlin 15,000 2002 12 8 WI 55,500 15,300 eBird Canada Dunlin 84,773 2002 12 22 WI 55,500 15,300 Christmas Bird Counts Dunlin 84,773 2003 WI 55,500 15,300 CBC Ladner Dunlin 61,334 2003 4 20 SP 55,500 15,300 CWS unpublished Dunlin 79,507 2003 12 21 WI 55,500 15,300 Christmas Bird Counts Dunlin 79,507 2004 WI 55,500 15,300 CBC Ladner Dunlin 105,600 2004 4 16 SP 55,500 15,300 CWS unpublished Dunlin 65,861 2004 12 27 WI 55,500 15,300 Christmas Bird Counts Dunlin 65,861 2005 WI 55,500 15,300 CBC Ladner Dunlin 50,721 2005 4 22 SP 55,500 15,300 CWS unpublished Dunlin 25,508 2005 12 27 WI 55,500 15,300 Christmas Bird Counts Dunlin 20,312 2006 1 2 WI 55,500 15,300 Christmas Bird Counts Dunlin 46,378 2006 4 20 SP 55,500 15,300 CWS unpublished Dunlin 105,000 2006 11 11 FA 55,500 15,300 BCCWS Dunlin 105,000 2006 11 11 FA 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 41,379 2006 12 23 WI 55,500 15,300 Christmas Bird Counts Dunlin 41,379 2007 WI 55,500 15,300 CBC Ladner Dunlin 15,000 2007 3 12 SP 55,500 15,300 eBird Canada Dunlin 25,000 2007 3 18 SP 55,500 15,300 eBird Canada Dunlin 23,000 2007 4 10 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 20,000 2007 4 17 SP 55,500 15,300 eBird Canada Dunlin 78,960 2007 4 19 SP 55,500 15,300 CWS unpublished Dunlin 15,000 2007 4 20 SP 55,500 15,300 eBird Canada Dunlin 20,000 2007 4 21 SP 55,500 15,300 eBird Canada Dunlin 12,000 2007 4 22 SP 55,500 15,300 eBird Canada Dunlin 40,000 2007 11 1 FA 55,500 15,300 eBird Canada Dunlin 22,000 2007 11 4 FA 55,500 15,300 eBird Canada Dunlin 20,000 2007 12 21 WI 55,500 15,300 eBird Canada Dunlin 15,000 2007 12 23 WI 55,500 15,300 eBird Canada Dunlin 37,050 2007 12 23 WI 55,500 15,300 eBird Canada Dunlin 56,544 2007 12 23 WI 55,500 15,300 Christmas Bird Counts Dunlin 65,000 2008 2 10 WI 55,500 15,300 BCCWS Dunlin 65,000 2008 2 10 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 15,480 2008 3 8 SP 55,500 15,300 eBird Canada Dunlin 15,179 2008 3 9 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 16,000 2008 4 10 SP 55,500 15,300 eBird Canada Dunlin 12,600 2008 4 15 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 85,050 2008 4 17 SP 55,500 15,300 CWS unpublished Dunlin 20,000 2008 4 19 SP 55,500 15,300 eBird Canada Dunlin 13,000 2008 4 21 SP 55,500 15,300 eBird Canada Dunlin 12,000 2008 4 22 SP 55,500 15,300 eBird Canada Dunlin 30,000 2008 12 3 WI 55,500 15,300 eBird Canada Dunlin 12,000 2008 12 14 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 42,413 2009 WI 55,500 15,300 CBC Ladner Dunlin 25,000 2009 1 3 WI 55,500 15,300 eBird Canada Dunlin 25,000 2009 1 4 WI 55,500 15,300 eBird Canada Dunlin 42,413 2009 1 4 WI 55,500 15,300 Christmas Bird Counts Dunlin 40,000 2009 1 17 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 42,413 2009 4 1 SP 55,500 15,300 Christmas Bird Counts Dunlin 50,654 2009 4 17 SP 55,500 15,300 CWS unpublished Dunlin 30,000 2009 10 30 FA 55,500 15,300 eBird Canada Dunlin 15,000 2009 12 19 WI 55,500 15,300 eBird Canada Dunlin 32,477 2009 12 27 WI 55,500 15,300 Christmas Bird Counts Dunlin 15,940 2010 1 10 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 40,000 2010 1 13 WI 55,500 15,300 eBird Canada Dunlin 14,500 2010 2 13 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 25,000 2010 2 27 WI 55,500 15,300 eBird Canada Dunlin 25,000 2010 3 2 SP 55,500 15,300 eBird Canada Dunlin 20,000 2010 3 25 SP 55,500 15,300 eBird Canada Dunlin 25,000 2010 4 12 SP 55,500 15,300 eBird Canada Dunlin 20,000 2010 4 15 SP 55,500 15,300 eBird Canada Dunlin 50,000 2010 4 19 SP 55,500 15,300 eBird Canada Dunlin 50,000 2010 4 19 SP 55,500 15,300 eBird Dunlin 50,573 2010 4 20 SP 55,500 15,300 CWS unpublished Dunlin 15,000 2010 11 10 FA 55,500 15,300 eBird Canada Dunlin 55,497 2010 12 27 WI 55,500 15,300 Christmas Bird Counts Dunlin 19,069 2010 12 27 WI 55,500 15,300 eBird Canada Dunlin 20,000 2011 2 5 WI 55,500 15,300 eBird Canada Dunlin 25,000 2011 2 5 WI 55,500 15,300 eBird Canada Dunlin 12,354 2011 2 13 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 12,060 2011 3 11 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 40,000 2011 3 15 SP 55,500 15,300 eBird Canada Dunlin 70,000 2011 4 11 SP 55,500 15,300 eBird Canada Dunlin 70,000 2011 4 11 SP 55,500 15,300 eBird Dunlin 20,000 2011 11 2 FA 55,500 15,300 eBird Canada Dunlin 40,000 2011 11 4 FA 55,500 15,300 eBird Canada Dunlin 25,000 2011 11 10 FA 55,500 15,300 eBird Canada Dunlin 17,000 2011 11 13 FA 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 50,556 2011 12 27 WI 55,500 15,300 Christmas Bird Counts Dunlin 24,000 2012 1 10 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 48,213 2012 2 12 WI 55,500 15,300 eBird Canada Dunlin 48,213 2012 2 12 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 15,000 2012 4 12 SP 55,500 15,300 eBird Canada Dunlin 40,000 2012 4 21 SP 55,500 15,300 eBird Canada Dunlin 50,000 2012 4 21 SP 55,500 15,300 eBird Canada Dunlin 15,000 2012 4 22 SP 55,500 15,300 eBird Canada Dunlin 20,000 2012 11 22 FA 55,500 15,300 eBird Canada Dunlin 45,979 2012 12 23 WI 55,500 15,300 Christmas Bird Counts Dunlin 18,000 2012 12 23 WI 55,500 15,300 eBird Canada Dunlin 38,000 2013 1 30 WI 55,500 15,300 eBird Canada Dunlin 15,000 2013 3 10 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 20,000 2013 4 13 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 20,000 2013 4 13 SP 55,500 15,300 eBird Canada Dunlin 28,000 2013 4 27 SP 55,500 15,300 eBird Canada Dunlin 28,673 2013 12 22 WI 55,500 15,300 Christmas Bird Counts Dunlin 50,000 2013 12 25 WI 55,500 15,300 eBird Canada Dunlin 20,000 2013 12 28 WI 55,500 15,300 eBird Canada Dunlin 15,000 2014 1 4 WI 55,500 15,300 eBird Canada Dunlin 20,000 2014 1 25 WI 55,500 15,300 eBird Canada Dunlin 15,000 2014 3 13 SP 55,500 15,300 eBird Canada Dunlin 15,000 2014 4 13 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 15,000 2014 10 25 FA 55,500 15,300 eBird Canada Dunlin 20,000 2014 11 1 FA 55,500 15,300 eBird Canada Dunlin 12,000 2014 11 9 FA 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 15,000 2014 11 15 FA 55,500 15,300 eBird Canada Dunlin 30,000 2014 12 13 WI 55,500 15,300 eBird Canada Dunlin 23,400 2014 12 21 WI 55,500 15,300 Christmas Bird Counts Dunlin 15,000 2014 12 21 WI 55,500 15,300 eBird Canada Dunlin 15,000 2014 12 22 WI 55,500 15,300 eBird Canada Dunlin 20,000 2014 12 31 WI 55,500 15,300 eBird Canada Dunlin 35,000 2015 1 11 WI 55,500 15,300 eBird Canada Dunlin 35,000 2015 1 25 WI 55,500 15,300 eBird Canada Dunlin 50,000 2015 2 15 WI 55,500 15,300 eBird Canada Dunlin 20,000 2015 3 7 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 20,000 2015 3 7 SP 55,500 15,300 eBird Canada Dunlin 40,000 2015 3 8 SP 55,500 15,300 eBird Canada Dunlin 13,050 2015 3 24 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 20,000 2015 4 12 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 20,000 2015 4 12 SP 55,500 15,300 eBird Canada Dunlin 15,000 2015 4 18 SP 55,500 15,300 eBird Canada Dunlin 15,000 2015 10 25 FA 55,500 15,300 eBird Canada Dunlin 20,000 2015 11 4 FA 55,500 15,300 eBird Canada Dunlin 40,000 2015 11 6 FA 55,500 15,300 eBird Canada Dunlin 13,293 2016 1 3 WI 55,500 15,300 Christmas Bird Counts Dunlin 20,000 2016 1 19 WI 55,500 15,300 eBird Canada Dunlin 41,000 2016 2 14 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 17,200 2016 3 14 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 30,000 2016 3 16 SP 55,500 15,300 eBird Canada Dunlin 24,000 2016 4 10 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 24,000 2016 4 10 SP 55,500 15,300 eBird Canada Dunlin 11,800 2016 4 11 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 15,000 2016 4 23 SP 55,500 15,300 eBird Canada Dunlin 30,000 2016 10 22 FA 55,500 15,300 eBird Canada Dunlin 17,000 2016 11 13 FA 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 17,004 2016 11 13 FA 55,500 15,300 eBird Canada Dunlin 47,733 2016 12 27 WI 55,500 15,300 Christmas Bird Counts Dunlin 12,296 2016 12 27 WI 55,500 15,300 eBird Canada Dunlin 15,000 2017 4 10 SP 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 15,000 2017 10 31 FA 55,500 15,300 eBird Canada Dunlin 20,000 2017 11 3 FA 55,500 15,300 eBird Canada Dunlin 20,000 2017 11 11 FA 55,500 15,300 eBird Canada Dunlin 30,000 2017 12 3 WI 55,500 15,300 eBird Canada Dunlin 18,000 2018 1 2 WI 55,500 15,300 eBird Canada Dunlin 15,000 2018 1 10 WI 55,500 15,300 eBird Canada Dunlin 15,000 2018 3 17 SP 55,500 15,300 eBird Canada Dunlin 15,000 2018 4 1 SP 55,500 15,300 eBird Canada Dunlin 55,000 2018 4 18 SP 55,500 15,300 eBird Canada Dunlin 40,000 2018 4 19 SP 55,500 15,300 eBird Canada Dunlin 50,000 2018 11 2 FA 55,500 15,300 eBird Canada Dunlin 25,000 2018 11 2 FA 55,500 15,300 eBird Canada Dunlin 63,744 2018 11 18 FA 55,500 15,300 eBird Canada:IBA Protocol Dunlin 28,200 2018 11 18 FA 55,500 15,300 eBird Canada Dunlin 24,000 2018 12 9 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 12,000 2018 12 24 WI 55,500 15,300 eBird Canada Dunlin 20,000 2019 1 5 WI 55,500 15,300 eBird Canada Dunlin 15,000 2019 1 12 WI 55,500 15,300 British Columbia Coastal Waterbirds Survey Dunlin 20,000 2019 3 12 SP 55,500 15,300 eBird Canada Dunlin 50,000 2019 4 19 SP 55,500 15,300 eBird Canada Dunlin 30,000 2019 4 27 SP 55,500 15,300 eBird Canada Dunlin 30,000 2019 11 10 FA 55,500 15,300 eBird Canada Dunlin 13,000 2019 11 17 FA 55,500 15,300 eBird Canada Dunlin 20,000 2019 11 17 FA 55,500 15,300 eBird Canada Dunlin 20,000 2019 12 21 WI 55,500 15,300 eBird Canada Dunlin 50,000 2020 2 7 WI 55,500 15,300 eBird Canada Dunlin 50,000 2020 2 17 WI 55,500 15,300 eBird Canada Dunlin 30,000 2020 2 17 WI 55,500 15,300 eBird Canada Dunlin 50,000 2020 2 22 WI 55,500 15,300 eBird Canada Dunlin 45,000 2020 2 23 WI 55,500 15,300 eBird Canada Dunlin 50,000 2020 3 1 SP 55,500 15,300 eBird Canada Dunlin 50,000 2020 3 3 SP 55,500 15,300 eBird Canada Dunlin 50,000 2020 3 10 SP 55,500 15,300 eBird Canada Dunlin 50,000 2020 3 12 SP 55,500 15,300 eBird Canada Western Sandpiper 55,818 1988 7 15 SU 35,000 35,000 Butler & Cannings 1989 Western Sandpiper 45,300 1990 FA 35,000 35,000 Butler 1994 Western Sandpiper 500,000 1992 4 29 SP 35,000 35,000 Butler 1994 Western Sandpiper 174,000 2000 4 24 SP 35,000 35,000 CWS unpublished Western Sandpiper 100,303 2001 4 27 SP 35,000 35,000 CWS unpublished Western Sandpiper 110,936 2003 4 26 SP 35,000 35,000 CWS unpublished Western Sandpiper 77,770 2004 4 27 SP 35,000 35,000 CWS unpublished Western Sandpiper 106,640 2005 4 25 SP 35,000 35,000 CWS unpublished Western Sandpiper 166,605 2006 4 25 SP 35,000 35,000 CWS unpublished Western Sandpiper 171,000 2007 4 29 SP 35,000 35,000 CWS unpublished Western Sandpiper 139,840 2008 4 27 SP 35,000 35,000 CWS unpublished Western Sandpiper 120,000 2009 4 24 SP 35,000 35,000 CWS unpublished Western Sandpiper 100,000 2009 4 24 SP 35,000 35,000 eBird Canada Western Sandpiper 50,000 2009 4 29 SP 35,000 35,000 eBird Canada Western Sandpiper 175,980 2010 4 24 SP 35,000 35,000 CWS unpublished Western Sandpiper 30,000 2012 4 21 SP 35,000 35,000 eBird Canada Western Sandpiper 50,000 2012 4 21 SP 35,000 35,000 eBird Canada Western Sandpiper 28,000 2013 4 27 SP 35,000 35,000 eBird Canada Western Sandpiper 64,600 2014 4 26 SP 35,000 35,000 eBird Canada Western Sandpiper 30,000 2014 4 28 SP 35,000 35,000 eBird Canada Western Sandpiper 30,000 2015 5 1 SP 35,000 35,000 eBird Canada Bonaparte's Gull 4,000 2013 4 13 SP 3,900 3,900 eBird Canada Bonaparte's Gull 4,000 2013 4 15 SP 3,900 3,900 eBird Canada Bonaparte's Gull 5,500 2013 4 17 SP 3,900 3,900 British Columbia Coastal Waterbirds Survey Short-billed Gull 5,910 2000 3 11 SP 31,000 3,000 British Columbia Coastal Waterbirds Survey Short-billed Gull 3,626 2001 2 10 WI 31,000 3,000 British Columbia Coastal Waterbirds Survey Short-billed Gull 4,532 2001 3 10 SP 31,000 3,000 British Columbia Coastal Waterbirds Survey Short-billed Gull 4,532 2001 3 10 SP 31,000 3,000 BCCWS Short-billed Gull 3,770 2004 12 27 WI 31,000 3,000 Christmas Bird Counts Short-billed Gull 3,770 2005 WI 31,000 3,000 CBC Ladner Glaucous-winged Gull 44,832 1980 12 28 WI 5,700 5,700 Campbell et al. 1990 Glaucous-winged Gull 25,389 1990 12 23 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 9,000 1991 12 22 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 6,518 1991 12 22 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 22,036 1991 12 23 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 6,000 1992 1 16 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 1992 1 19 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 10,800 1992 12 27 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 20,607 1993 12 27 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 4,724 1994 1 2 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 41,911 1994 12 27 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 42,000 1994 12 27 WI 5,700 5,700 94-95 CBC Glaucous-winged Gull 19,000 1995 WI 5,700 5,700 Glaucous-winged Gull 20,531 1995 12 23 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 7,521 1997 12 28 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 5,000 1998 1 10 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 1998 1 11 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 1998 12 12 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 10,530 2000 1 2 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 32,188 2000 12 23 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 8,366 2000 12 30 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 32,188 2001 WI 5,700 5,700 CBC Ladner Glaucous-winged Gull 5,000 2001 10 7 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 28,472 2001 12 23 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 28,472 2002 WI 5,700 5,700 CBC Ladner Glaucous-winged Gull 47,728 2002 12 22 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 47,728 2003 WI 5,700 5,700 CBC Ladner Glaucous-winged Gull 5,000 2003 2 4 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 6,934 2004 12 27 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 6,934 2005 WI 5,700 5,700 CBC Ladner Glaucous-winged Gull 5,000 2005 1 9 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 55,803 2005 12 27 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 55,803 2006 WI 5,700 5,700 CBC Ladner Glaucous-winged Gull 6,000 2006 1 29 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 53,380 2006 12 23 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 53,380 2007 WI 5,700 5,700 CBC Ladner Glaucous-winged Gull 6,000 2007 1 4 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 6,000 2007 1 5 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 30,049 2007 12 23 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 30,049 2008 WI 5,700 5,700 CBC Ladner Glaucous-winged Gull 5,000 2008 11 11 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 47,929 2009 WI 5,700 5,700 CBC Ladner Glaucous-winged Gull 47,929 2009 1 4 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 47,929 2009 4 1 SP 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 40,594 2009 12 27 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 40,594 2010 WI 5,700 5,700 CBC Ladner Glaucous-winged Gull 6,742 2010 1 3 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 20,000 2010 1 20 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 46,424 2010 12 27 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 40,563 2011 12 27 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 38,537 2012 12 23 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 37,079 2013 12 22 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 17,039 2014 12 21 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 5,000 2015 1 4 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 7,000 2015 9 17 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2015 12 27 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 4,500 2016 1 10 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 6,000 2016 2 28 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 4,800 2016 9 10 FA 5,700 5,700 British Columbia Coastal Waterbirds Survey Glaucous-winged Gull 6,500 2016 10 16 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 6,000 2016 10 22 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 6,000 2016 10 23 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 6,000 2016 10 25 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 6,000 2016 11 6 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 7,000 2016 12 6 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 35,135 2016 12 27 WI 5,700 5,700 Christmas Bird Counts Glaucous-winged Gull 5,000 2016 12 31 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2017 1 1 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2017 1 11 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2017 1 30 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2017 2 19 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 6,000 2017 2 26 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 10,000 2017 12 3 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2017 12 12 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2017 12 14 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 10,000 2017 12 23 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2017 12 28 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2018 1 1 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 4,500 2018 9 4 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2018 9 25 FA 5,700 5,700 eBird Canada Glaucous-winged Gull 4,763 2018 11 18 FA 5,700 5,700 eBird Canada:IBA Protocol Glaucous-winged Gull 5,000 2019 1 21 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 6,000 2019 2 24 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 5,000 2020 1 9 WI 5,700 5,700 eBird Canada Glaucous-winged Gull 4,500 2020 1 28 WI 5,700 5,700 eBird Canada Iceland Gull (Thayer's) 728 1990 12 23 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 96 1990 12 30 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 311 1991 12 22 WI 100 100 eBird Canada Iceland Gull (Thayer's) 694 1991 12 23 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 183 1991 12 29 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 332 1993 12 27 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 512 1994 12 27 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 162 1995 12 17 WI 100 100 eBird Canada Iceland Gull (Thayer's) 1,513 1995 12 23 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 139 1995 12 30 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 500 1996 12 22 WI 100 100 eBird Canada Iceland Gull (Thayer's) 115 1997 1 3 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 115 1997 3 1 SP 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 851 1997 12 28 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 249 2000 2 13 WI 100 100 British Columbia Coastal Waterbirds Survey Iceland Gull (Thayer's) 100 2000 2 20 WI 100 100 Great Backyard Bird Count Iceland Gull (Thayer's) 91 2000 11 11 FA 100 100 British Columbia Coastal Waterbirds Survey Iceland Gull (Thayer's) 215 2000 12 9 WI 100 100 British Columbia Coastal Waterbirds Survey Iceland Gull (Thayer's) 284 2000 12 23 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 243 2001 1 13 WI 100 100 British Columbia Coastal Waterbirds Survey Iceland Gull (Thayer's) 623 2001 2 10 WI 100 100 BCCWS Iceland Gull (Thayer's) 623 2001 2 10 WI 100 100 British Columbia Coastal Waterbirds Survey Iceland Gull (Thayer's) 126 2001 3 10 SP 100 100 British Columbia Coastal Waterbirds Survey Iceland Gull (Thayer's) 155 2002 12 22 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 155 2003 WI 100 100 CBC Ladner Iceland Gull (Thayer's) 167 2003 12 21 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 167 2004 WI 100 100 CBC Ladner Iceland Gull (Thayer's) 205 2004 12 27 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 205 2005 WI 100 100 CBC Ladner Iceland Gull (Thayer's) 100 2005 2 19 WI 100 100 eBird Canada Iceland Gull (Thayer's) 164 2005 12 27 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 164 2006 WI 100 100 CBC Ladner Iceland Gull (Thayer's) 100 2006 1 29 WI 100 100 eBird Canada Iceland Gull (Thayer's) 80 2006 12 15 WI 100 100 eBird Canada Iceland Gull (Thayer's) 256 2006 12 23 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 320 2007 12 8 WI 100 100 BCCWS Iceland Gull (Thayer's) 320 2007 12 8 WI 100 100 British Columbia Coastal Waterbirds Survey Iceland Gull (Thayer's) 417 2007 12 23 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 417 2008 WI 100 100 CBC Ladner Iceland Gull (Thayer's) 400 2008 2 4 WI 100 100 eBird Canada Iceland Gull (Thayer's) 200 2008 2 6 WI 100 100 eBird Canada Iceland Gull (Thayer's) 187 2009 WI 100 100 CBC Ladner Iceland Gull (Thayer's) 187 2009 1 4 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 200 2009 2 14 WI 100 100 Great Backyard Bird Count Iceland Gull (Thayer's) 187 2009 4 1 SP 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 500 2010 12 27 WI 100 100 eBird Iceland Gull (Thayer's) 1,044 2010 12 27 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 500 2010 12 27 WI 100 100 eBird Canada Iceland Gull (Thayer's) 161 2011 12 27 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 200 2012 1 21 WI 100 100 eBird Canada Iceland Gull (Thayer's) 288 2012 12 23 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 245 2013 3 4 SP 100 100 British Columbia Coastal Waterbirds Survey Iceland Gull (Thayer's) 171 2013 12 22 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 205 2014 12 21 WI 100 100 eBird Canada Iceland Gull (Thayer's) 500 2014 12 21 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 600 2015 12 3 WI 100 100 eBird Canada Iceland Gull (Thayer's) 150 2016 1 3 WI 100 100 eBird Canada Iceland Gull (Thayer's) 150 2016 12 10 WI 100 100 eBird Canada Iceland Gull (Thayer's) 826 2016 12 27 WI 100 100 Christmas Bird Counts Iceland Gull (Thayer's) 300 2017 1 24 WI 100 100 eBird Canada Iceland Gull (Thayer's) 110 2017 1 28 WI 100 100 eBird Canada Red-necked Grebe 500 1997 9 13 FA 2,400 450 eBird Canada Red-necked Grebe 2,576 1998 9 22 FA 2,400 450 Red-necked Grebe 700 1999 9 12 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 603 1999 11 15 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 703 1999 12 30 WI 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 1,000 2000 9 10 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 780 2000 9 17 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 710 2001 10 14 FA 2,400 450 BCCWS Red-necked Grebe 710 2001 10 14 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 2,716 2002 3 22 SP 2,400 450 BCCWS Red-necked Grebe 2,716 2002 3 22 SP 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 462 2002 9 10 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 810 2002 10 12 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 485 2003 1 15 WI 2,400 450 BCCWS Red-necked Grebe 485 2003 1 15 WI 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 362 2008 9 14 FA 2,400 450 eBird Canada Red-necked Grebe 362 2008 9 14 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 362 2008 9 14 FA 2,400 450 BCCWS Red-necked Grebe 791 2009 9 13 FA 2,400 450 BCCWS Red-necked Grebe 790 2009 9 13 FA 2,400 450 eBird Canada Red-necked Grebe 791 2009 9 13 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 392 2012 10 11 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 419 2013 10 11 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 636 2014 9 13 FA 2,400 450 British Columbia Coastal Waterbirds Survey Red-necked Grebe 580 2015 9 14 FA 2,400 450 British Columbia Coastal Waterbirds Survey Western Grebe 1,068 1988 5 15 SP 1,300 1,200 Butler & Cannings 1989 Western Grebe 1,052 1988 8 15 FA 1,300 1,200 Butler & Cannings 1989 Western Grebe 2,109 1988 10 15 FA 1,300 1,200 Butler & Cannings 1989 Western Grebe 1,495 1991 12 23 WI 1,300 1,200 91-92 CBC Western Grebe 1,495 1991 12 23 WI 1,300 1,200 Christmas Bird Counts Western Grebe 5,000 1996 12 22 WI 1,300 1,200 eBird Canada Western Grebe 3,000 1998 FA 1,300 1,200 Western Grebe 1,000 1998 10 4 FA 1,300 1,200 eBird Canada Western Grebe 1,000 1999 1 12 WI 1,300 1,200 eBird Canada Western Grebe 2,161 2000 2 13 WI 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 942 2000 4 8 SP 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 7,273 2000 4 16 SP 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 1,433 2000 11 11 FA 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 1,500 2001 2 19 WI 1,300 1,200 BCCWS Western Grebe 1,500 2001 2 19 WI 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 1,300 2001 3 10 SP 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 2,426 2002 3 22 SP 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 2,426 2002 3 22 SP 1,300 1,200 BCCWS Western Grebe 1,400 2003 2 9 WI 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 3,200 2003 2 14 WI 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 3,200 2003 2 14 WI 1,300 1,200 BCCWS Western Grebe 2,093 2003 9 15 FA 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 1,000 2011 5 8 SP 1,300 1,200 British Columbia Coastal Waterbirds Survey Western Grebe 1,000 2011 5 8 SP 1,300 1,200 BCCWS Western Grebe 1,000 2011 5 17 SP 1,300 1,200 eBird Canada Western Grebe 1,000 2014 3 11 SP 1,300 1,200 eBird Canada Western Grebe 1,600 2017 11 25 FA 1,300 1,200 eBird Canada Western Grebe 1,200 2018 5 9 SP 1,300 1,200 eBird Canada Western Grebe 1,000 2019 12 11 WI 1,300 1,200 eBird Canada Western Grebe 1,500 2020 4 28 SP 1,300 1,200 eBird Canada Western Grebe 1,980 2020 5 1 SP 1,300 1,200 eBird Canada Western Grebe 1,000 2020 5 2 SP 1,300 1,200 eBird Canada Western Grebe 1,660 2020 5 4 SP 1,300 1,200 eBird Canada Western Grebe 1,200 2020 9 21 FA 1,300 1,200 eBird Canada Western Grebe 920 2020 9 30 FA 1,300 1,200 eBird Canada Red-throated Loon 7,000 2000 4 16 SP 3,950 400 British Columbia Coastal Waterbirds Survey Red-throated Loon 405 2001 3 10 SP 3,950 400 British Columbia Coastal Waterbirds Survey Red-throated Loon 487 2001 3 17 SP 3,950 400 British Columbia Coastal Waterbirds Survey Red-throated Loon 349 2012 12 23 WI 3,950 400 Christmas Bird Counts Red-throated Loon 2,000 2019 2 24 WI 3,950 400 eBird Canada Brandt's Cormorant 2,741 2020 2 19 WI 2,200 2,200 eBird Canada Great Blue Heron 251 1981 12 27 WI 1,200 1,200 45 80-81 CBC Great Blue Heron 34 1990 1 20 WI 1,200 1,200 45 eBird Canada Great Blue Heron 178 1990 4 28 SP 1,200 1,200 45 eBird Canada Great Blue Heron 41 1990 7 29 SU 1,200 1,200 45 eBird Canada Great Blue Heron 110 1990 8 12 FA 1,200 1,200 45 eBird Canada Great Blue Heron 80 1990 8 28 FA 1,200 1,200 45 eBird Canada Great Blue Heron 41 1990 11 17 FA 1,200 1,200 45 eBird Canada Great Blue Heron 222 1990 12 23 WI 1,200 1,200 45 90-91 CBC Great Blue Heron 222 1990 12 23 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 42 1991 3 17 SP 1,200 1,200 45 eBird Canada Great Blue Heron 40 1991 4 21 SP 1,200 1,200 45 eBird Canada Great Blue Heron 47 1991 5 26 SP 1,200 1,200 45 eBird Canada Great Blue Heron 150 1991 8 25 FA 1,200 1,200 45 eBird Canada Great Blue Heron 80 1991 9 2 FA 1,200 1,200 45 eBird Canada Great Blue Heron 215 1991 12 23 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 140 1991 12 29 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 47 1992 3 21 SP 1,200 1,200 45 eBird Canada Great Blue Heron 50 1992 5 8 SP 1,200 1,200 45 eBird Canada Great Blue Heron 114 1992 8 16 FA 1,200 1,200 45 eBird Canada Great Blue Heron 158 1992 8 30 FA 1,200 1,200 45 eBird Canada Great Blue Heron 60 1992 9 28 FA 1,200 1,200 45 eBird Canada Great Blue Heron 36 1992 10 10 FA 1,200 1,200 45 eBird Canada Great Blue Heron 36 1992 12 27 WI 1,200 1,200 45 eBird Canada Great Blue Heron 218 1992 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 82 1993 1 2 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 150 1993 5 9 SP 1,200 1,200 45 eBird Canada Great Blue Heron 100 1993 7 15 SU 1,200 1,200 45 eBird Canada Great Blue Heron 75 1993 7 16 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 1993 7 16 SU 1,200 1,200 45 eBird Canada Great Blue Heron 150 1993 8 18 FA 1,200 1,200 45 eBird Canada Great Blue Heron 80 1993 8 27 FA 1,200 1,200 45 eBird Canada Great Blue Heron 100 1993 8 31 FA 1,200 1,200 45 eBird Canada Great Blue Heron 60 1993 9 24 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 1993 11 20 FA 1,200 1,200 45 eBird Canada Great Blue Heron 200 1993 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 128 1994 1 2 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 46 1994 3 27 SP 1,200 1,200 45 eBird Canada Great Blue Heron 200 1994 5 14 SP 1,200 1,200 45 eBird Canada Great Blue Heron 409 1994 6 10 SU 1,200 1,200 45 eBird Canada Great Blue Heron 35 1994 8 4 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 1994 8 7 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 1994 9 18 FA 1,200 1,200 45 eBird Canada Great Blue Heron 155 1994 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 184 1995 WI 1,200 1,200 45 Great Blue Heron 143 1995 1 2 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 88 1995 4 30 SP 1,200 1,200 45 eBird Canada Great Blue Heron 1,000 1995 7 1 SU 1,200 1,200 45 Butler 1997 Great Blue Heron 72 1995 7 2 SU 1,200 1,200 45 eBird Canada Great Blue Heron 51 1995 7 18 SU 1,200 1,200 45 eBird Canada Great Blue Heron 59 1995 8 7 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 1995 9 28 FA 1,200 1,200 45 eBird Canada Great Blue Heron 60 1995 10 5 FA 1,200 1,200 45 eBird Canada Great Blue Heron 206 1995 12 23 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 84 1995 12 30 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 77 1996 8 31 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 1996 9 29 FA 1,200 1,200 45 eBird Canada Great Blue Heron 100 1996 12 22 WI 1,200 1,200 45 eBird Canada Great Blue Heron 692 1997 SU 1,200 1,200 45 Great Blue Heron 139 1997 1 3 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 74 1997 1 4 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 139 1997 3 1 SP 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 40 1997 4 13 SP 1,200 1,200 45 eBird Canada Great Blue Heron 60 1997 5 27 SP 1,200 1,200 45 eBird Canada Great Blue Heron 35 1997 5 29 SP 1,200 1,200 45 eBird Canada Great Blue Heron 70 1997 9 4 FA 1,200 1,200 45 eBird Canada Great Blue Heron 60 1997 9 13 FA 1,200 1,200 45 eBird Canada Great Blue Heron 96 1997 9 13 FA 1,200 1,200 45 eBird Canada Great Blue Heron 35 1997 11 16 FA 1,200 1,200 45 eBird Canada Great Blue Heron 94 1998 1 3 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 45 1998 5 23 SP 1,200 1,200 45 eBird Canada Great Blue Heron 120 1998 6 10 SU 1,200 1,200 45 eBird Canada Great Blue Heron 34 1998 9 10 FA 1,200 1,200 45 eBird Canada Great Blue Heron 171 1998 12 28 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 121 1999 1 2 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 36 1999 6 25 SU 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 400 1999 7 4 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 1999 7 15 SU 1,200 1,200 45 eBird Canada Great Blue Heron 114 1999 7 21 SU 1,200 1,200 45 eBird Canada Great Blue Heron 194 1999 8 17 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 1999 8 31 FA 1,200 1,200 45 eBird Canada Great Blue Heron 100 1999 8 31 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 1999 9 2 FA 1,200 1,200 45 eBird Canada Great Blue Heron 150 1999 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 109 2000 1 2 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 36 2000 3 11 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 57 2000 4 16 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 50 2000 5 20 SP 1,200 1,200 45 eBird Canada Great Blue Heron 34 2000 7 8 SU 1,200 1,200 45 eBird Canada Great Blue Heron 120 2000 7 21 SU 1,200 1,200 45 eBird Canada Great Blue Heron 55 2000 7 23 SU 1,200 1,200 45 eBird Canada Great Blue Heron 50 2000 7 25 SU 1,200 1,200 45 eBird Canada Great Blue Heron 70 2000 8 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 2000 9 13 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 86 2000 9 17 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 40 2000 9 28 FA 1,200 1,200 45 eBird Canada Great Blue Heron 44 2000 10 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 35 2000 10 13 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 52 2000 10 14 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 269 2000 12 23 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 109 2000 12 30 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 269 2001 WI 1,200 1,200 45 CBC Ladner Great Blue Heron 41 2001 3 10 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 68 2001 5 12 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 75 2001 5 26 SP 1,200 1,200 45 eBird Canada Great Blue Heron 110 2001 6 24 SU 1,200 1,200 45 eBird Canada Great Blue Heron 80 2001 7 9 SU 1,200 1,200 45 eBird Canada Great Blue Heron 72 2001 8 19 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2001 8 21 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2001 8 27 FA 1,200 1,200 45 eBird Canada Great Blue Heron 35 2001 9 17 FA 1,200 1,200 45 eBird Canada Great Blue Heron 69 2001 9 18 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 50 2001 10 7 FA 1,200 1,200 45 eBird Canada Great Blue Heron 59 2001 10 17 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 38 2001 11 9 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 297 2001 12 23 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 162 2001 12 30 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 297 2002 WI 1,200 1,200 45 CBC Ladner Great Blue Heron 35 2002 2 2 WI 1,200 1,200 45 eBird Canada Great Blue Heron 91 2002 7 31 SU 1,200 1,200 45 eBird Canada Great Blue Heron 197 2002 8 4 FA 1,200 1,200 45 eBird Canada Great Blue Heron 85 2002 8 17 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 2002 9 6 FA 1,200 1,200 45 eBird Canada Great Blue Heron 70 2002 9 11 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 100 2002 9 22 FA 1,200 1,200 45 eBird Canada Great Blue Heron 119 2002 9 22 FA 1,200 1,200 45 eBird Canada Great Blue Heron 150 2002 10 5 FA 1,200 1,200 45 eBird Canada Great Blue Heron 233 2002 12 22 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 130 2002 12 29 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 233 2003 WI 1,200 1,200 45 CBC Ladner Great Blue Heron 150 2003 5 19 SP 1,200 1,200 45 eBird Canada Great Blue Heron 64 2003 7 19 SU 1,200 1,200 45 eBird Canada Great Blue Heron 145 2003 7 19 SU 1,200 1,200 45 eBird Canada Great Blue Heron 50 2003 9 19 FA 1,200 1,200 45 eBird Canada Great Blue Heron 37 2003 9 19 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 40 2003 9 25 FA 1,200 1,200 45 eBird Canada Great Blue Heron 254 2003 12 21 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 114 2003 12 28 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 53 2004 4 12 SP 1,200 1,200 45 eBird Canada Great Blue Heron 36 2004 5 26 SP 1,200 1,200 45 eBird Canada Great Blue Heron 70 2004 5 30 SP 1,200 1,200 45 eBird Canada Great Blue Heron 452 2004 6 4 SU 1,200 1,200 45 eBird Great Blue Heron 452 2004 6 4 SU 1,200 1,200 45 eBird Canada Great Blue Heron 75 2004 8 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 96 2004 9 11 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 69 2004 9 12 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 45 2004 9 16 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 48 2004 10 9 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 61 2004 10 10 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 34 2004 11 14 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 262 2004 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 262 2005 WI 1,200 1,200 45 CBC Ladner Great Blue Heron 108 2005 1 2 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 75 2005 7 13 SU 1,200 1,200 45 eBird Canada Great Blue Heron 150 2005 8 31 FA 1,200 1,200 45 eBird Canada Great Blue Heron 43 2005 9 13 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 168 2005 9 17 FA 1,200 1,200 45 eBird Canada Great Blue Heron 60 2005 10 1 FA 1,200 1,200 45 eBird Canada Great Blue Heron 100 2005 10 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 2005 12 18 WI 1,200 1,200 45 eBird Canada Great Blue Heron 293 2005 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 273 2005 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 273 2006 WI 1,200 1,200 45 CBC Ladner Great Blue Heron 130 2006 1 2 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 62 2006 3 12 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 80 2006 6 10 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 2006 6 23 SU 1,200 1,200 45 eBird Canada Great Blue Heron 37 2006 7 20 SU 1,200 1,200 45 eBird Canada Great Blue Heron 80 2006 7 20 SU 1,200 1,200 45 eBird Canada Great Blue Heron 90 2006 8 23 FA 1,200 1,200 45 eBird Canada Great Blue Heron 75 2006 9 2 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2006 9 9 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 75 2006 9 9 FA 1,200 1,200 45 eBird Canada Great Blue Heron 47 2006 9 10 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 70 2006 9 11 FA 1,200 1,200 45 eBird Canada Great Blue Heron 86 2006 10 16 FA 1,200 1,200 45 eBird Canada Great Blue Heron 279 2006 12 23 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 123 2006 12 30 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 279 2007 WI 1,200 1,200 45 CBC Ladner Great Blue Heron 45 2007 1 15 WI 1,200 1,200 45 eBird Canada Great Blue Heron 43 2007 1 24 WI 1,200 1,200 45 eBird Canada Great Blue Heron 36 2007 1 25 WI 1,200 1,200 45 eBird Canada Great Blue Heron 86 2007 4 29 SP 1,200 1,200 45 eBird Canada Great Blue Heron 40 2007 5 6 SP 1,200 1,200 45 eBird Canada Great Blue Heron 84 2007 5 14 SP 1,200 1,200 45 eBird Canada Great Blue Heron 86 2007 5 15 SP 1,200 1,200 45 eBird Canada Great Blue Heron 75 2007 5 22 SP 1,200 1,200 45 eBird Canada Great Blue Heron 84 2007 5 24 SP 1,200 1,200 45 eBird Canada Great Blue Heron 95 2007 6 7 SU 1,200 1,200 45 eBird Canada Great Blue Heron 104 2007 6 9 SU 1,200 1,200 45 eBird Canada Great Blue Heron 81 2007 6 11 SU 1,200 1,200 45 eBird Canada Great Blue Heron 108 2007 6 22 SU 1,200 1,200 45 eBird Canada Great Blue Heron 128 2007 6 25 SU 1,200 1,200 45 eBird Canada Great Blue Heron 34 2007 7 8 SU 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 34 2007 7 8 SU 1,200 1,200 45 eBird Canada Great Blue Heron 83 2007 7 13 SU 1,200 1,200 45 eBird Canada Great Blue Heron 80 2007 7 30 SU 1,200 1,200 45 eBird Canada Great Blue Heron 48 2007 8 8 FA 1,200 1,200 45 eBird Canada Great Blue Heron 52 2007 8 10 FA 1,200 1,200 45 eBird Canada Great Blue Heron 36 2007 8 12 FA 1,200 1,200 45 eBird Canada Great Blue Heron 36 2007 8 12 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 42 2007 9 5 FA 1,200 1,200 45 eBird Canada Great Blue Heron 53 2007 9 9 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 34 2007 9 15 FA 1,200 1,200 45 eBird Canada Great Blue Heron 34 2007 9 15 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 50 2007 9 15 FA 1,200 1,200 45 eBird Canada Great Blue Heron 75 2007 9 19 FA 1,200 1,200 45 eBird Canada Great Blue Heron 46 2007 9 23 FA 1,200 1,200 45 eBird Canada Great Blue Heron 60 2007 9 29 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2007 10 14 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 60 2007 10 22 FA 1,200 1,200 45 eBird Canada Great Blue Heron 202 2007 12 23 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 115 2007 12 30 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 202 2008 WI 1,200 1,200 45 CBC Ladner Great Blue Heron 60 2008 4 1 SP 1,200 1,200 45 eBird Canada Great Blue Heron 45 2008 4 10 SP 1,200 1,200 45 eBird Canada Great Blue Heron 83 2008 4 24 SP 1,200 1,200 45 eBird Canada Great Blue Heron 202 2008 5 17 SP 1,200 1,200 45 eBird Canada Great Blue Heron 46 2008 6 6 SU 1,200 1,200 45 eBird Canada Great Blue Heron 60 2008 6 10 SU 1,200 1,200 45 eBird Canada Great Blue Heron 168 2008 6 14 SU 1,200 1,200 45 British Columbia Breeding Bird Atlas (2008-2012) Great Blue Heron 168 2008 6 14 SU 1,200 1,200 45 eBird Canada Great Blue Heron 50 2008 6 15 SU 1,200 1,200 45 British Columbia Breeding Bird Atlas (2008-2012) Great Blue Heron 61 2008 6 25 SU 1,200 1,200 45 eBird Canada Great Blue Heron 53 2008 6 27 SU 1,200 1,200 45 eBird Canada Great Blue Heron 40 2008 7 11 SU 1,200 1,200 45 eBird Canada Great Blue Heron 50 2008 8 1 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2008 8 5 FA 1,200 1,200 45 eBird Canada Great Blue Heron 38 2008 8 11 FA 1,200 1,200 45 eBird Canada Great Blue Heron 95 2008 8 11 FA 1,200 1,200 45 eBird Canada Great Blue Heron 45 2008 8 16 FA 1,200 1,200 45 eBird Canada Great Blue Heron 35 2008 9 2 FA 1,200 1,200 45 eBird Canada Great Blue Heron 37 2008 9 14 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 59 2008 9 14 FA 1,200 1,200 45 eBird Canada Great Blue Heron 59 2008 9 14 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 73 2008 9 14 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 44 2008 9 24 FA 1,200 1,200 45 eBird Canada Great Blue Heron 158 2009 WI 1,200 1,200 45 CBC Ladner Great Blue Heron 158 2009 1 4 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 158 2009 4 1 SP 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 50 2009 4 3 SP 1,200 1,200 45 eBird Canada Great Blue Heron 125 2009 6 4 SU 1,200 1,200 45 British Columbia Breeding Bird Atlas (2008-2012) Great Blue Heron 34 2009 6 4 SU 1,200 1,200 45 British Columbia Breeding Bird Atlas (2008-2012) Great Blue Heron 60 2009 6 26 SU 1,200 1,200 45 eBird Canada Great Blue Heron 44 2009 7 22 SU 1,200 1,200 45 eBird Canada Great Blue Heron 71 2009 8 8 FA 1,200 1,200 45 eBird Canada Great Blue Heron 69 2009 8 26 FA 1,200 1,200 45 eBird Canada Great Blue Heron 59 2009 9 12 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 68 2009 9 18 FA 1,200 1,200 45 eBird Canada Great Blue Heron 41 2009 9 30 FA 1,200 1,200 45 eBird Canada Great Blue Heron 43 2009 9 30 FA 1,200 1,200 45 eBird Canada Great Blue Heron 100 2009 10 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 258 2009 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 258 2010 WI 1,200 1,200 45 CBC Ladner Great Blue Heron 107 2010 1 3 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 35 2010 1 29 WI 1,200 1,200 45 eBird Canada Great Blue Heron 150 2010 3 12 SP 1,200 1,200 45 eBird Canada Great Blue Heron 41 2010 3 20 SP 1,200 1,200 45 eBird Canada Great Blue Heron 60 2010 4 10 SP 1,200 1,200 45 eBird Canada Great Blue Heron 38 2010 4 11 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 40 2010 4 13 SP 1,200 1,200 45 eBird Canada Great Blue Heron 40 2010 5 8 SP 1,200 1,200 45 eBird Canada Great Blue Heron 37 2010 7 3 SU 1,200 1,200 45 eBird Canada Great Blue Heron 35 2010 7 17 SU 1,200 1,200 45 eBird Canada Great Blue Heron 70 2010 8 9 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2010 9 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 56 2010 9 8 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 244 2010 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 125 2011 1 2 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 278 2011 3 4 SP 1,200 1,200 45 BCCWS Great Blue Heron 278 2011 4 3 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 65 2011 4 24 SP 1,200 1,200 45 eBird Canada Great Blue Heron 44 2011 5 8 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 217 2011 5 8 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 53 2011 6 10 SU 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 223 2011 6 10 SU 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 185 2011 6 19 SU 1,200 1,200 45 eBird Canada Great Blue Heron 60 2011 9 2 FA 1,200 1,200 45 eBird Canada Great Blue Heron 81 2011 9 7 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 81 2011 9 7 FA 1,200 1,200 45 eBird Canada Great Blue Heron 78 2011 9 16 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 2011 10 6 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 56 2011 10 9 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 212 2011 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 196 2012 1 2 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 35 2012 3 11 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 75 2012 3 23 SP 1,200 1,200 45 eBird Canada Great Blue Heron 100 2012 3 26 SP 1,200 1,200 45 eBird Canada Great Blue Heron 157 2012 3 30 SP 1,200 1,200 45 eBird Canada Great Blue Heron 140 2012 4 1 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 36 2012 4 8 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 54 2012 5 13 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 65 2012 5 13 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 200 2012 6 1 SU 1,200 1,200 45 eBird Canada Great Blue Heron 400 2012 6 16 SU 1,200 1,200 45 eBird Canada Great Blue Heron 225 2012 6 20 SU 1,200 1,200 45 eBird Canada Great Blue Heron 167 2012 6 24 SU 1,200 1,200 45 eBird Canada Great Blue Heron 135 2012 7 5 SU 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 200 2012 7 20 SU 1,200 1,200 45 eBird Canada Great Blue Heron 60 2012 7 22 SU 1,200 1,200 45 eBird Canada Great Blue Heron 72 2012 7 24 SU 1,200 1,200 45 eBird Canada Great Blue Heron 50 2012 8 6 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 2012 8 18 FA 1,200 1,200 45 eBird Canada Great Blue Heron 62 2012 9 16 FA 1,200 1,200 45 eBird Canada Great Blue Heron 51 2012 9 19 FA 1,200 1,200 45 eBird Canada Great Blue Heron 60 2012 9 24 FA 1,200 1,200 45 eBird Canada Great Blue Heron 50 2012 9 27 FA 1,200 1,200 45 eBird Canada Great Blue Heron 55 2012 10 11 FA 1,200 1,200 45 eBird Canada Great Blue Heron 245 2012 12 23 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 85 2012 12 30 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 45 2013 1 19 WI 1,200 1,200 45 eBird Canada Great Blue Heron 50 2013 2 2 WI 1,200 1,200 45 eBird Canada Great Blue Heron 38 2013 2 10 WI 1,200 1,200 45 eBird Canada Great Blue Heron 75 2013 2 19 WI 1,200 1,200 45 eBird Canada Great Blue Heron 200 2013 3 3 SP 1,200 1,200 45 eBird Canada Great Blue Heron 200 2013 3 19 SP 1,200 1,200 45 eBird Canada Great Blue Heron 120 2013 3 24 SP 1,200 1,200 45 eBird Canada Great Blue Heron 98 2013 4 7 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 178 2013 4 7 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 150 2013 4 14 SP 1,200 1,200 45 eBird Canada Great Blue Heron 51 2013 5 14 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 62 2013 5 17 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 268 2013 5 17 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 45 2013 6 15 SU 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 190 2013 6 15 SU 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 150 2013 6 18 SU 1,200 1,200 45 eBird Canada Great Blue Heron 150 2013 7 27 SU 1,200 1,200 45 eBird Canada Great Blue Heron 40 2013 7 30 SU 1,200 1,200 45 eBird Canada Great Blue Heron 100 2013 7 31 SU 1,200 1,200 45 eBird Canada Great Blue Heron 39 2013 8 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 65 2013 8 9 FA 1,200 1,200 45 eBird Canada Great Blue Heron 70 2013 8 9 FA 1,200 1,200 45 eBird Canada Great Blue Heron 71 2013 8 10 FA 1,200 1,200 45 eBird Canada Great Blue Heron 105 2013 8 10 FA 1,200 1,200 45 eBird Canada Great Blue Heron 38 2013 8 18 FA 1,200 1,200 45 eBird Canada Great Blue Heron 47 2013 9 8 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 43 2013 9 12 FA 1,200 1,200 45 eBird Canada Great Blue Heron 36 2013 10 18 FA 1,200 1,200 45 eBird Canada Great Blue Heron 184 2013 12 22 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 106 2013 12 29 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 35 2014 2 2 WI 1,200 1,200 45 eBird Canada Great Blue Heron 39 2014 2 20 WI 1,200 1,200 45 eBird Canada Great Blue Heron 37 2014 2 21 WI 1,200 1,200 45 eBird Canada Great Blue Heron 50 2014 2 21 WI 1,200 1,200 45 eBird Canada Great Blue Heron 120 2014 3 8 SP 1,200 1,200 45 eBird Canada Great Blue Heron 266 2014 3 8 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 206 2014 4 3 SP 1,200 1,200 45 eBird Canada Great Blue Heron 250 2014 4 7 SP 1,200 1,200 45 eBird Canada Great Blue Heron 226 2014 4 13 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 40 2014 5 14 SP 1,200 1,200 45 eBird Canada Great Blue Heron 200 2014 5 17 SP 1,200 1,200 45 eBird Canada Great Blue Heron 211 2014 5 27 SP 1,200 1,200 45 eBird Canada Great Blue Heron 200 2014 6 8 SU 1,200 1,200 45 eBird Canada Great Blue Heron 40 2014 6 25 SU 1,200 1,200 45 eBird Canada Great Blue Heron 375 2014 6 26 SU 1,200 1,200 45 eBird Canada Great Blue Heron 165 2014 6 28 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 2014 7 4 SU 1,200 1,200 45 eBird Canada Great Blue Heron 132 2014 7 26 SU 1,200 1,200 45 eBird Canada Great Blue Heron 47 2014 8 7 FA 1,200 1,200 45 eBird Canada Great Blue Heron 35 2014 8 13 FA 1,200 1,200 45 eBird Canada Great Blue Heron 45 2014 8 23 FA 1,200 1,200 45 eBird Canada Great Blue Heron 45 2014 8 28 FA 1,200 1,200 45 eBird Canada Great Blue Heron 45 2014 9 1 FA 1,200 1,200 45 eBird Canada Great Blue Heron 45 2014 9 7 FA 1,200 1,200 45 eBird Canada Great Blue Heron 43 2014 9 14 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 49 2014 10 11 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 60 2014 10 12 FA 1,200 1,200 45 eBird Canada Great Blue Heron 317 2014 12 21 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 124 2014 12 28 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 111 2015 2 14 WI 1,200 1,200 45 eBird Canada Great Blue Heron 133 2015 2 14 WI 1,200 1,200 45 eBird Canada Great Blue Heron 60 2015 2 17 WI 1,200 1,200 45 eBird Canada Great Blue Heron 175 2015 2 20 WI 1,200 1,200 45 eBird Canada Great Blue Heron 44 2015 2 21 WI 1,200 1,200 45 eBird Canada Great Blue Heron 157 2015 2 24 WI 1,200 1,200 45 eBird Canada Great Blue Heron 46 2015 5 6 SP 1,200 1,200 45 eBird Canada Great Blue Heron 150 2015 5 9 SP 1,200 1,200 45 eBird Canada Great Blue Heron 35 2015 5 10 SP 1,200 1,200 45 eBird Canada Great Blue Heron 170 2015 5 11 SP 1,200 1,200 45 eBird Canada Great Blue Heron 150 2015 5 16 SP 1,200 1,200 45 eBird Canada Great Blue Heron 45 2015 5 18 SP 1,200 1,200 45 eBird Canada Great Blue Heron 37 2015 5 30 SP 1,200 1,200 45 eBird Canada Great Blue Heron 300 2015 6 16 SU 1,200 1,200 45 eBird Canada Great Blue Heron 100 2015 6 19 SU 1,200 1,200 45 eBird Canada Great Blue Heron 100 2015 6 21 SU 1,200 1,200 45 eBird Canada Great Blue Heron 104 2015 6 28 SU 1,200 1,200 45 eBird Canada Great Blue Heron 47 2015 7 19 SU 1,200 1,200 45 eBird Canada Great Blue Heron 59 2015 8 9 FA 1,200 1,200 45 eBird Canada Great Blue Heron 150 2015 8 22 FA 1,200 1,200 45 eBird Canada Great Blue Heron 110 2015 8 23 FA 1,200 1,200 45 eBird Canada Great Blue Heron 95 2015 8 24 FA 1,200 1,200 45 eBird Canada Great Blue Heron 110 2015 8 28 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2015 8 30 FA 1,200 1,200 45 eBird Canada Great Blue Heron 180 2015 9 10 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2015 9 10 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2015 9 13 FA 1,200 1,200 45 eBird Canada Great Blue Heron 112 2016 1 3 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 48 2016 1 16 WI 1,200 1,200 45 eBird Canada Great Blue Heron 47 2016 2 22 WI 1,200 1,200 45 eBird Canada Great Blue Heron 150 2016 2 26 WI 1,200 1,200 45 eBird Canada Great Blue Heron 153 2016 2 26 WI 1,200 1,200 45 eBird Canada Great Blue Heron 150 2016 2 28 WI 1,200 1,200 45 eBird Canada Great Blue Heron 250 2016 3 9 SP 1,200 1,200 45 eBird Canada Great Blue Heron 250 2016 3 18 SP 1,200 1,200 45 eBird Canada Great Blue Heron 303 2016 3 19 SP 1,200 1,200 45 eBird Canada Great Blue Heron 250 2016 3 22 SP 1,200 1,200 45 eBird Canada Great Blue Heron 284 2016 4 23 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 300 2016 5 7 SP 1,200 1,200 45 eBird Canada Great Blue Heron 332 2016 5 15 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 230 2016 6 9 SU 1,200 1,200 45 eBird Canada Great Blue Heron 68 2016 6 23 SU 1,200 1,200 45 eBird Canada Great Blue Heron 400 2016 6 25 SU 1,200 1,200 45 eBird Canada Great Blue Heron 365 2016 6 26 SU 1,200 1,200 45 eBird Canada Great Blue Heron 310 2016 7 1 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 2016 7 3 SU 1,200 1,200 45 eBird Canada Great Blue Heron 60 2016 7 5 SU 1,200 1,200 45 eBird Canada Great Blue Heron 136 2016 8 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 100 2016 8 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 39 2016 8 4 FA 1,200 1,200 45 eBird Canada Great Blue Heron 35 2016 8 6 FA 1,200 1,200 45 eBird Canada Great Blue Heron 45 2016 8 16 FA 1,200 1,200 45 eBird Canada Great Blue Heron 55 2016 8 20 FA 1,200 1,200 45 eBird Canada Great Blue Heron 151 2016 9 10 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2016 9 11 FA 1,200 1,200 45 eBird Canada Great Blue Heron 194 2016 9 11 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 200 2016 9 13 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2016 11 14 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 44 2016 12 4 WI 1,200 1,200 45 eBird Canada Great Blue Heron 50 2016 12 4 WI 1,200 1,200 45 eBird Canada Great Blue Heron 42 2016 12 4 WI 1,200 1,200 45 eBird Canada Great Blue Heron 264 2016 12 27 WI 1,200 1,200 45 Christmas Bird Counts Great Blue Heron 47 2017 2 14 WI 1,200 1,200 45 eBird Canada Great Blue Heron 50 2017 2 21 WI 1,200 1,200 45 eBird Canada Great Blue Heron 62 2017 2 23 WI 1,200 1,200 45 eBird Canada Great Blue Heron 62 2017 3 18 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 136 2017 3 18 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 250 2017 4 9 SP 1,200 1,200 45 eBird Canada Great Blue Heron 70 2017 4 9 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 38 2017 4 26 SP 1,200 1,200 45 eBird Canada Great Blue Heron 230 2017 5 8 SP 1,200 1,200 45 eBird Canada Great Blue Heron 340 2017 5 22 SP 1,200 1,200 45 eBird Canada Great Blue Heron 250 2017 5 26 SP 1,200 1,200 45 eBird Canada Great Blue Heron 220 2017 6 1 SU 1,200 1,200 45 eBird Canada Great Blue Heron 240 2017 6 21 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 2017 6 21 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 2017 6 23 SU 1,200 1,200 45 eBird Canada Great Blue Heron 440 2017 6 23 SU 1,200 1,200 45 eBird Canada Great Blue Heron 45 2017 8 9 FA 1,200 1,200 45 eBird Canada Great Blue Heron 45 2017 8 11 FA 1,200 1,200 45 eBird Canada Great Blue Heron 80 2017 8 16 FA 1,200 1,200 45 eBird Canada Great Blue Heron 70 2017 8 23 FA 1,200 1,200 45 eBird Canada Great Blue Heron 48 2017 8 26 FA 1,200 1,200 45 eBird Canada Great Blue Heron 61 2017 9 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2017 9 15 FA 1,200 1,200 45 eBird Canada Great Blue Heron 80 2017 10 2 FA 1,200 1,200 45 eBird Canada Great Blue Heron 80 2017 10 6 FA 1,200 1,200 45 eBird Canada Great Blue Heron 55 2017 10 7 FA 1,200 1,200 45 eBird Canada Great Blue Heron 37 2017 10 8 FA 1,200 1,200 45 eBird Canada Great Blue Heron 69 2017 10 8 FA 1,200 1,200 45 eBird Canada Great Blue Heron 44 2017 12 10 WI 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 40 2017 12 11 WI 1,200 1,200 45 eBird Canada Great Blue Heron 38 2017 12 20 WI 1,200 1,200 45 eBird Canada Great Blue Heron 46 2018 1 15 WI 1,200 1,200 45 eBird Canada Great Blue Heron 86 2018 2 18 WI 1,200 1,200 45 eBird Canada Great Blue Heron 59 2018 2 18 WI 1,200 1,200 45 eBird Canada Great Blue Heron 65 2018 2 18 WI 1,200 1,200 45 eBird Canada Great Blue Heron 60 2018 2 24 WI 1,200 1,200 45 eBird Canada Great Blue Heron 50 2018 2 25 WI 1,200 1,200 45 eBird Canada Great Blue Heron 160 2018 3 25 SP 1,200 1,200 45 eBird Canada Great Blue Heron 200 2018 4 17 SP 1,200 1,200 45 eBird Canada Great Blue Heron 40 2018 4 28 SP 1,200 1,200 45 eBird Canada Great Blue Heron 40 2018 4 29 SP 1,200 1,200 45 eBird Canada Great Blue Heron 280 2018 5 20 SP 1,200 1,200 45 eBird Canada Great Blue Heron 180 2018 5 21 SP 1,200 1,200 45 eBird Canada Great Blue Heron 350 2018 5 26 SP 1,200 1,200 45 eBird Canada Great Blue Heron 250 2018 6 4 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 2018 6 10 SU 1,200 1,200 45 eBird Canada Great Blue Heron 250 2018 6 11 SU 1,200 1,200 45 eBird Canada Great Blue Heron 210 2018 6 14 SU 1,200 1,200 45 eBird Canada Great Blue Heron 70 2018 6 24 SU 1,200 1,200 45 eBird Canada Great Blue Heron 220 2018 6 27 SU 1,200 1,200 45 eBird Canada Great Blue Heron 150 2018 8 23 FA 1,200 1,200 45 eBird Canada Great Blue Heron 84 2018 8 24 FA 1,200 1,200 45 eBird Canada Great Blue Heron 40 2018 8 24 FA 1,200 1,200 45 eBird Canada Great Blue Heron 88 2018 8 28 FA 1,200 1,200 45 eBird Canada Great Blue Heron 39 2018 10 3 FA 1,200 1,200 45 eBird Canada Great Blue Heron 100 2018 10 14 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 40 2018 11 12 FA 1,200 1,200 45 eBird Canada Great Blue Heron 335 2018 11 18 FA 1,200 1,200 45 eBird Canada:IBA Protocol Great Blue Heron 40 2018 12 7 WI 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 40 2018 12 7 WI 1,200 1,200 45 eBird Canada Great Blue Heron 43 2018 12 20 WI 1,200 1,200 45 eBird Canada Great Blue Heron 50 2018 12 27 WI 1,200 1,200 45 eBird Canada Great Blue Heron 40 2019 1 2 WI 1,200 1,200 45 eBird Canada Great Blue Heron 50 2019 1 15 WI 1,200 1,200 45 eBird Canada Great Blue Heron 46 2019 1 15 WI 1,200 1,200 45 eBird Canada Great Blue Heron 40 2019 1 26 WI 1,200 1,200 45 eBird Canada Great Blue Heron 52 2019 2 4 WI 1,200 1,200 45 eBird Canada Great Blue Heron 52 2019 2 9 WI 1,200 1,200 45 eBird Canada Great Blue Heron 55 2019 2 9 WI 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 75 2019 2 24 WI 1,200 1,200 45 eBird Canada Great Blue Heron 60 2019 3 9 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 35 2019 3 10 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 500 2019 3 22 SP 1,200 1,200 45 eBird Canada Great Blue Heron 60 2019 4 14 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 300 2019 5 4 SP 1,200 1,200 45 eBird Canada Great Blue Heron 360 2019 5 7 SP 1,200 1,200 45 eBird Canada Great Blue Heron 80 2019 5 13 SP 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 300 2019 5 21 SP 1,200 1,200 45 eBird Canada Great Blue Heron 100 2019 6 10 SU 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 310 2019 6 16 SU 1,200 1,200 45 eBird Canada Great Blue Heron 120 2019 7 7 SU 1,200 1,200 45 eBird Canada Great Blue Heron 100 2019 7 16 SU 1,200 1,200 45 eBird Canada Great Blue Heron 80 2019 7 17 SU 1,200 1,200 45 eBird Canada Great Blue Heron 81 2019 9 7 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 58 2019 9 8 FA 1,200 1,200 45 British Columbia Coastal Waterbirds Survey Great Blue Heron 70 2019 10 6 FA 1,200 1,200 45 eBird Canada Great Blue Heron 100 2019 10 11 FA 1,200 1,200 45 eBird Canada Great Blue Heron 82 2019 11 9 FA 1,200 1,200 45 eBird Canada Great Blue Heron 65 2019 11 11 FA 1,200 1,200 45 eBird Canada Great Blue Heron 130 2020 1 30 WI 1,200 1,200 45 eBird Canada Great Blue Heron 80 2020 2 24 WI 1,200 1,200 45 eBird Canada Great Blue Heron 80 2020 2 26 WI 1,200 1,200 45 eBird Canada Great Blue Heron 225 2020 2 28 WI 1,200 1,200 45 eBird Canada Great Blue Heron 300 2020 4 25 SP 1,200 1,200 45 eBird Canada Great Blue Heron 300 2020 5 9 SP 1,200 1,200 45 eBird Canada Great Blue Heron 200 2020 6 6 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 2020 6 13 SU 1,200 1,200 45 eBird Canada Great Blue Heron 400 2020 6 18 SU 1,200 1,200 45 eBird Canada Great Blue Heron 200 2020 7 4 SU 1,200 1,200 45 eBird Canada Great Blue Heron 179 2020 7 10 SU 1,200 1,200 45 eBird Canada Great Blue Heron 150 2020 8 20 FA 1,200 1,200 45 eBird Canada Great Blue Heron 135 2020 9 17 FA 1,200 1,200 45 eBird Canada Great Blue Heron 100 2020 9 20 FA 1,200 1,200 45 eBird Canada Great Blue Heron 65 2020 9 22 FA 1,200 1,200 45 eBird Canada American Barn Owl 14 1990 12 23 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 12 1991 12 23 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 21 1991 12 29 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 15 1992 12 27 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 15 1993 1 2 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 24 1993 12 27 WI 50,000 3,000 9 93-94 CBC American Barn Owl 24 1993 12 27 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 15 1994 1 2 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 13 1994 12 27 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 15 1995 WI 50,000 3,000 9 American Barn Owl 19 1995 12 23 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 18 1995 12 30 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 8 1996 4 19 SP 50,000 3,000 9 eBird Canada American Barn Owl 8 1997 1 4 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 12 1997 12 28 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 11 1998 1 3 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 8 1998 12 28 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 12 1999 1 2 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 14 1999 12 27 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 17 2000 1 2 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 13 2000 12 23 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 11 2000 12 30 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 13 2001 WI 50,000 3,000 9 CBC Ladner American Barn Owl 15 2001 12 23 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 15 2002 WI 50,000 3,000 9 CBC Ladner American Barn Owl 14 2002 12 22 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 14 2003 WI 50,000 3,000 9 CBC Ladner American Barn Owl 13 2005 12 27 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 13 2006 WI 50,000 3,000 9 CBC Ladner American Barn Owl 11 2006 1 2 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 14 2006 12 23 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 14 2007 WI 50,000 3,000 9 CBC Ladner American Barn Owl 60 2007 SU 50,000 3,000 9 S.Hindmarch SFU American Barn Owl 9 2007 12 23 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 80 2008 SU 50,000 3,000 9 S.Hindmarch SFU American Barn Owl 9 2008 WI 50,000 3,000 9 CBC Ladner American Barn Owl 11 2009 WI 50,000 3,000 9 CBC Ladner American Barn Owl 11 2009 1 4 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 11 2009 4 1 SP 50,000 3,000 9 Christmas Bird Counts American Barn Owl 17 2009 12 27 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 17 2010 WI 50,000 3,000 9 CBC Ladner American Barn Owl 82 2010 SU 50,000 3,000 9 S.Hindmarch EC American Barn Owl 10 2010 12 27 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 62 2011 SU 50,000 3,000 9 S.Hindmarch EC American Barn Owl 7 2011 12 27 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 98 2012 SU 50,000 3,000 9 S.Hindmarch EC American Barn Owl 20 2012 12 23 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 9 2012 12 30 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 7 2013 12 22 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 12 2014 12 21 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 7 2014 12 28 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 7 2016 1 3 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 23 2016 12 27 WI 50,000 3,000 9 Christmas Bird Counts American Barn Owl 9 2018 8 18 FA 50,000 3,000 9 eBird Canada American Barn Owl 10 2018 9 6 FA 50,000 3,000 9 eBird Canada Western Screech-Owl 2 1990 12 23 WI 7,000 5,000 1 Christmas Bird Counts Western Screech-Owl 2 1991 12 29 WI 7,000 5,000 1 Christmas Bird Counts Western Screech-Owl 1 1993 1 2 WI 7,000 5,000 1 Christmas Bird Counts Western Screech-Owl 1 1994 1 2 WI 7,000 5,000 1 Christmas Bird Counts Western Screech-Owl 1 1995 1 2 WI 7,000 5,000 1 Christmas Bird Counts Western Screech-Owl 1 1995 12 30 WI 7,000 5,000 1 Christmas Bird Counts Western Screech-Owl 1 1997 1 4 WI 7,000 5,000 1 Christmas Bird Counts Western Screech-Owl 1 1998 1 31 WI 7,000 5,000 1 eBird Canada Western Screech-Owl 1 1999 2 19 WI 7,000 5,000 1 Great Backyard Bird Count Western Screech-Owl 1 1999 12 27 WI 7,000 5,000 1 Christmas Bird Counts Western Screech-Owl 1 2000 1 30 WI 7,000 5,000 1 eBird Canada Western Screech-Owl 1 2006 1 2 WI 7,000 5,000 1 Christmas Bird Counts Peregrine Falcon 10 1994 12 27 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 18 2000 12 23 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 15 2001 12 23 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 21 2002 12 22 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 22 2003 12 21 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 16 2004 12 27 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 17 2005 9 11 FA 12,000 3,000 12 British Columbia Coastal Waterbirds Survey Peregrine Falcon 21 2005 12 27 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 21 2006 12 23 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 13 2007 12 23 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 17 2009 1 4 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 17 2009 4 1 SP 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 29 2009 12 27 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 12 2010 1 3 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 18 2010 12 27 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 11 2011 1 2 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 24 2011 12 27 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 15 2012 12 23 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 12 2012 12 30 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 13 2013 12 22 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 28 2014 12 21 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 13 2014 12 28 WI 12,000 3,000 12 Christmas Bird Counts Peregrine Falcon 17 2016 12 27 WI 12,000 3,000 12 Christmas Bird Counts American Crow (Northwestern) 12,329 2010 1 3 WI 14,000 14,000 Christmas Bird Counts American Crow (Northwestern) 29,118 2011 1 2 WI 14,000 14,000 Christmas Bird Counts American Crow (Northwestern) 11,000 2012 1 2 WI 14,000 14,000 eBird Canada American Crow (Northwestern) 13,232 2012 1 2 WI 14,000 14,000 Christmas Bird Counts Sage Thrasher 1 1999 5 8 SP 79,000 79,000 1 eBird Canada Sage Thrasher 1 1999 5 9 SP 79,000 79,000 1 eBird Canada Sage Thrasher 1 1999 5 10 SP 79,000 79,000 1 eBird Canada Sage Thrasher 1 1999 5 11 SP 79,000 79,000 1 eBird Canada Sage Thrasher 1 2012 12 9 WI 79,000 79,000 1 eBird Canada Sage Thrasher 1 2012 12 10 WI 79,000 79,000 1 eBird Canada Sage Thrasher 1 2012 12 11 WI 79,000 79,000 1 eBird Canada Yellow-breasted Chat 1 1999 6 1 SU 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 1999 6 2 SU 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 1999 6 3 SU 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 1999 6 4 SU 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 1999 6 5 SU 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 1999 6 10 SU 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 2009 6 15 SU 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 2010 11 30 FA 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 2010 12 1 WI 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 2010 12 2 WI 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 2020 5 25 SP 120,000 110,000 1 eBird Canada Yellow-breasted Chat 1 2020 5 26 SP 120,000 110,000 1 eBird Canada Note: species shown in bold indicate that the maximum number exceeds at least one of the IBA thresholds (sub-regional, regional or global). The site may still not qualify for that level of IBA if the maximum number reflects an exceptional or historical occurrence.

Conservation Issues The major, immediate threat to the ecological integrity of this IBA is permanent loss, degradation (loss in quality) and fragmentation of habitats. The IBA overlaps Canada's third largest urban centre, Metro Vancouver, supporting a population projected to grow by 1.4 million by 2040, and the largest port on North America's west coast, Port Metro Vancouver, on which the region's economy is founded. Agricultural, estuarine and marine habitats have been, and continue to be lost and fragmented by current and proposed urban developments (e.g. the Southlands adjacent to Boundary Bay and Tsawwassen First Nation lands adjacent to Roberts Bank), industrial developments (e.g. major expansion of Port Metro Vancouver on Roberts Bank and adjacent upland), and related transportation and infrastructure developments (e.g. jetties, causeways, highways, bridges, rail yards, airports). Conversion of open agricultural fields to berry crops, greenhouses and other intensive uses has reduced farmland habitat available to waterfowl, shorebirds and owls (e.g. Barn Owl). Terrestrial and aquatic habitat quality is reduced by runoff from urban, industrial and agricultural activities (Swains and Holms 1988) and dumping of contaminated water, although long-term and cumulative effects are poorly understood. Concerns about contamination from ballast water are lessened as long as de-ballasting takes place mid ocean as required. The risk of marine spills, including oil, will increase with proposed increases in shipping traffic to meet trade demands. Changes in the marine food chain appear to be impacting some bird species. Forage fish, such as herring and sand lance, have declined in the Salish Sea in recent years, and a corresponding decrease in diving birds that predate on forage fish has been observed (Crewe et al. 2012, Anderson et al. 2009, Therriault et al. 2009). A variety of introduced species present potential local and ecosystem level concerns. Exotic mollusks are common in intertidal areas, including Batillaria snail, Venerupis philippinarum (manila clam), and Nuttalia obscurata (purple varnish clam). Zostera japonica (exotic eelgrass) is present on Roberts Bank and in Boundary Bay. Spartina anglica (exotic cordgrass) is proving extremely difficult to control and has the potential to change intertidal mudflat to unproductive grassland (Knight 2012). Direct mortality through fisheries by-catch (Hamel et al. 2009, BC Coast BirdWatch 2011), collisions or overhead transmission wires (Burger and Cassidy 1995), and illegal hunting (Environment Canada 2011) may have cumulative impacts on trigger species populations. Mitigation measures implemented on transmission wires have had some success, but have not eliminated collisions entirely (Cassidy et al 1998). Widespread recreational disturbance, including hunting, dogs off leash, kite-boarding in shallow intertidal waters, and power boating in sensitive marine near shore habitats, causes migratory birds to re-distribute. The long term impacts of these disturbances are not known and need to be quantified. Potential impacts of cumulative air and light pollution have not been studied. Conservation management areas provide a degree of protection across approximately 45% of the IBA, mostly in the inter- and sub-tidal habitats. Alaksen National Wildlife Area (including Reifel Migratory Bird Sanctuary) and provincial Wildlife Management Areas (WMAs), including South Arm Marshes, Boundary Bay, Sturgeon Bank, Serpentine, and Roberts Bank WMAs, cover almost 40% of the IBA. The management plans for all WMAs except the Serpentine WMA need to be updated. Several regional and local parks include important mudflats and marsh habitats along the shore (e.g. Boundary Bay Regional Park and dyke trail, Mud Bay Park, Blackie Spit). Ducks Unlimited and The Nature Trust of BC own and manage important agricultural and intertidal land parcels, and 2,400 ha of Burns Bog have been designated as an Ecological Conservancy Area. Much of the farmland within the IBA falls within the BC Agricultural Land Reserve, established to preserve agricultural land and encourage the establishment and maintenance of farms as a secure source of food. The Delta Farmland and Wildlife Trust coordinates stewardship programs that benefit farming and wildlife on over 1,400 ha of active farmland within the IBA. The importance of the Fraser River Estuary is recognized through several other international designations. The Fraser River Estuary IBA was designated a Hemispheric Site under the Western Hemisphere Shorebird Reserve Network (WHSRN) in 2004. The Alaksen National Wildlife Area was originally designated as a Ramsar Wetland of International Significance in 1982. In 2012, this site was expanded from 586 to 20,682 ha, capturing Burns Bog, Sturgeon Bank, South Arm Marshes, Boundary Bay, and the Serpentine, and renamed the Fraser River Delta Ramsar Site. Roberts Bank Wildlife Management Area remains to be included in this Ramsar designation. More than 25 non-government organizations, municipal, provincial and federal government agencies, academic institutions and private environmental consulting companies are actively working to research, monitor, build awareness, and improve habitat for birds and other wildlife within the IBA, including the Boundary Bay Conservation Committee, the Friends of Semiahmoo Bay Society, the A Rocha Field Centre, Burns Bog Conservation Society, Delta Naturalists' Society, White Rock and Surrey Naturalists, Nature Vancouver, Langley Field Naturalists, Surrey Environmental Partners Society, WildResearch, Bird Studies Canada, BC Nature, Pacific Wildlife Foundation, Little Campbell Watershed Society, TerraNova Birders, the Ladner and Tsawwassen Rotary Club, the Centre for Wildlife Ecology at Simon Fraser University, and Environment Canada, to name a few. From 1985 -2013, the now defunct Fraser River Estuary Management Program provided a framework for environmental coordination in conjunction with ongoing economic development, but effective ecosystem-scale conservation planning and management has always been, and continues to be, challenged by the large number of local, provincial and federal authorities with jurisdiction over different parts of the IBA.

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