Surf Scoter
Scientific Name: Melanitta perspicillata
Thresholds:
- Kitkatla Channel, Goschen Island North to Porcher Island (BC119)350,000 (max.)
- Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017)90,012 (max.)
- Barkley Sound (BC075)52,000 (max.)
- Waters of Île Patte de Lièvre (QC151)50,000 (max.)
- Little Qualicum Estuary to Nanoose Bay (BC056)35,000 (max.)
- The Backway (LB026)34,740 (max.)
- Big Bay south to Delusion Bay (BC124)30,000 (max.)
- Baie Comeau (QC082)25,000 (max.)
- Baynes Sound (BC057)25,000 (max.)
- K'ómoks (BC272)25,000 (max.)
- Point Lepreau/Maces Bay (NB020)15,389 (max.)
- Rimouski (QC041)15,000 (max.)
- Nain Coastline (LB006)12,500 (max.)
- English Bay, Burrard Inlet & Howe Sound (BC020)12,216 (max.)
- Comox Valley (BC014)11,000 (max.)
- Cape Porcupine (LB020)10,422 (max.)
- Barre de Portneuf (QC083)10,000 (max.)
- Nunaluk Spit to Herschel Island (YK005)10,000 (max.)
- Old Crow Flats (YK001)10,000 (max.)
- Lambert Channel/Hornby Island Waters (BC061)8,000 (max.)
- Miscou Island (NB021)8,000 (max.)
- White Islets and Wilson Creek (BC025)7,131 (max.)
Global
1% of the global population estimate. This threshold is used to identify trigger species and IBAs under categories A4i/ii and A4iv.
Regional/Continental
1% of the regional/continental population estimate.
| Kitkatla Channel, Goschen Island North to Porcher Island (BC119) | ||
|---|---|---|
| Number | Year | Season |
| 30,000 | 1979 | Spring |
| 100,000 | 1977 | Spring |
| 350,000 | 1975 | Spring |
| Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017) | ||
|---|---|---|
| Number | Year | Season |
| 15,000 | 2015 | Winter |
| 1,600 | 2011 | Winter |
| 800 | 2010 | Winter |
| 1,141 | 2009 | Spring |
| 10,000 | 2009 | Winter |
| 1,000 | 2008 | Spring |
| 1,500 | 2007 | Spring |
| 6,000 | 2006 | Winter |
| 6,000 | 2005 | Spring |
| 6,000 | 2005 | Winter |
| 8,000 | 2004 | Fall |
| 936 | 2003 | Winter |
| 3,000 | 2002 | Spring |
| 6,000 - 28,200 | 2001 | Spring |
| 6,400 | 2001 | Winter |
| 10,000 - 90,012 | 2000 | Spring |
| 10,400 | 2000 | Winter |
| 18,000 | 1998 | Spring |
| 8,000 | 1997 | Spring |
| Barkley Sound (BC075) | ||
|---|---|---|
| Number | Year | Season |
| 6,000 - 8,000 | 2021 | Spring |
| 15,000 | 1991 | Spring |
| 12,000 | 1990 | Spring |
| 52,000 | 1989 | Spring |
| Waters of Île Patte de Lièvre (QC151) | ||
|---|---|---|
| Number | Year | Season |
| 15,000 | 2021 | Fall |
| 5,500 | 2016 | Fall |
| 9,000 - 10,000 | 2014 | Fall |
| 9,200 | 2014 | Summer |
| 12,000 | 2013 | Fall |
| 16,000 | 2012 | Fall |
| 50,000 | 2011 | Fall |
| Little Qualicum Estuary to Nanoose Bay (BC056) | ||
|---|---|---|
| Number | Year | Season |
| 5,500 - 8,000 | 2021 | Spring |
| 15,000 - 20,000 | 2020 | Spring |
| 7,000 | 2019 | Spring |
| 6,200 - 20,000 | 2018 | Spring |
| 10,400 - 27,393 | 2017 | Spring |
| 8,000 - 8,652 | 2016 | Spring |
| 6,200 - 35,000 | 2015 | Spring |
| 15,000 - 35,000 | 2014 | Spring |
| 6,000 | 2010 | Spring |
| 12,000 | 2007 | Spring |
| 6,700 | 2005 | Winter |
| 18,240 - 28,048 | 2004 | Spring |
| 5,650 - 16,775 | 2000 | Spring |
| 4,600 | 1973 | Spring |
| The Backway (LB026) | ||
|---|---|---|
| Number | Year | Season |
| 34,740 | 1999 | Fall |
| 10,000 - 26,070 | 1998 | Summer |
| Big Bay south to Delusion Bay (BC124) | ||
|---|---|---|
| Number | Year | Season |
| 30,000 | 1978 | Spring |
| Baie Comeau (QC082) | ||
|---|---|---|
| Number | Year | Season |
| 7,500 - 10,700 | 1998 | Spring |
| 6,000 | 1996 | Spring |
| 8,000 | 1991 | Spring |
| 25,000 | 1983 | Spring |
| Baynes Sound (BC057) | ||
|---|---|---|
| Number | Year | Season |
| 25,000 | 2010 | Spring |
| 15,000 - 15,927 | 2003 | Spring |
| K'ómoks (BC272) | ||
|---|---|---|
| Number | Year | Season |
| 10,000 | 2021 | Spring |
| 10,000 | 2019 | Spring |
| 8,000 | 2018 | Spring |
| 8,000 | 2016 | Spring |
| 6,000 - 8,000 | 2015 | Spring |
| 5,966 | 2014 | Winter |
| 11,000 | 2014 | Spring |
| 11,476 | 2012 | Spring |
| 25,000 | 2010 | Spring |
| 6,596 | 2009 | Spring |
| 5,931 | 2005 | Spring |
| 15,000 | 2003 | Spring |
| Point Lepreau/Maces Bay (NB020) | ||
|---|---|---|
| Number | Year | Season |
| 5,854 | 2018 | Spring |
| 4,030 - 15,389 | 1996 | Spring |
| Rimouski (QC041) | ||
|---|---|---|
| Number | Year | Season |
| 10,000 - 15,000 | 2001 | Fall |
| Nain Coastline (LB006) | ||
|---|---|---|
| Number | Year | Season |
| 12,500 | 1998 | Summer |
| English Bay, Burrard Inlet & Howe Sound (BC020) | ||
|---|---|---|
| Number | Year | Season |
| 7,000 | 2021 | Winter |
| 6,000 | 2014 | Fall |
| 6,000 | 2013 | Fall |
| 9,720 | 2012 | Winter |
| 12,216 | 2011 | Winter |
| 4,505 - 4,856 | 2010 | Fall |
| 3,440 | 2010 | Winter |
| 3,798 | 2009 | Fall |
| 6,000 - 7,030 | 2009 | Winter |
| 6,000 | 2008 | Spring |
| 10,011 | 2007 | Fall |
| 4,803 - 7,000 | 2006 | Fall |
| 3,096 - 6,000 | 2005 | Fall |
| 2,675 - 5,389 | 2004 | Fall |
| 3,530 | 2003 | Fall |
| 2,945 | 2002 | Fall |
| 6,084 | 2000 | Winter |
| 3,500 - 7,675 | 2000 | Fall |
| 6,150 | 1990 | Winter |
| Comox Valley (BC014) | ||
|---|---|---|
| Number | Year | Season |
| 5,966 | 2014 | Winter |
| 11,000 | 2014 | Spring |
| Cape Porcupine (LB020) | ||
|---|---|---|
| Number | Year | Season |
| 1,000 | 1998 | Summer |
| 10,422 | 1994 | Summer |
| 2,068 | 1980 | Summer |
| Barre de Portneuf (QC083) | ||
|---|---|---|
| Number | Year | Season |
| 9,780 | 2020 | Fall |
| 6,000 - 7,000 | 2016 | Fall |
| 10,000 | 2015 | Fall |
| 10,000 | 2014 | Fall |
| 7,000 | 2013 | Fall |
| Nunaluk Spit to Herschel Island (YK005) | ||
|---|---|---|
| Number | Year | Season |
| 10,000 | 2004 | Summer |
| Old Crow Flats (YK001) | ||
|---|---|---|
| Number | Year | Season |
| 10,000 | 1995 | Summer |
| Lambert Channel/Hornby Island Waters (BC061) | ||
|---|---|---|
| Number | Year | Season |
| 8,000 | 2016 | Spring |
| 6,000 - 8,000 | 2015 | Spring |
| 3,612 | 2010 | Spring |
| Miscou Island (NB021) | ||
|---|---|---|
| Number | Year | Season |
| 8,000 | 1993 | Fall |
| White Islets and Wilson Creek (BC025) | ||
|---|---|---|
| Number | Year | Season |
| 6,500 | 2013 | Spring |
| 7,131 | 2000 | Spring |
| 600 | 1985 | Other |