Trumpeter Swan
Scientific Name: Cygnus buccinator
Thresholds:
- M'Clintock Bay to Lewes River Marsh (YK016)6,000 (max.)
- Comox Valley (BC014)2,939 (max.)
- K'ómoks (BC272)2,939 (max.)
- Tagish Narrows (YK017)2,000 (max.)
- Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017)1,867 (max.)
- Fraser Lake (BC221)1,232 (max.)
- Frank Lake (south) (AB079)1,028 (max.)
- Somenos Marsh Wildlife Refuge (BC051)1,000 (max.)
- Little Qualicum Estuary to Nanoose Bay (BC056)860 (max.)
- Stuart, Tachie and Middle Rivers (BC223)671 (max.)
- Chehalis River Estuary (BC033)509 (max.)
- Aylmer Wildlife Management Area (ON011)500 (max.)
- Shallow Bay, Big Slough and Swan Lake (YK014)500 (max.)
- Cowichan estuary (BC048)408 (max.)
- South Thompson River (BC176)320 (max.)
- Grande Prairie - Trumpeter Swan IBA (AB107)309 (max.)
- Baynes Sound (BC057)279 (max.)
- Squamish River Area (BC023)264 (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.
| M'Clintock Bay to Lewes River Marsh (YK016) | ||
|---|---|---|
| Number | Year | Season |
| 2,148 - 3,006 | 2021 | Spring |
| 721 - 1,080 | 2020 | Spring |
| 2,000 - 2,931 | 2019 | Spring |
| 598 - 847 | 2018 | Spring |
| 1,150 - 1,601 | 2017 | Spring |
| 900 - 2,330 | 2016 | Spring |
| 1,853 - 2,235 | 2015 | Spring |
| 982 - 1,642 | 2014 | Spring |
| 898 - 952 | 2013 | Spring |
| 552 - 1,157 | 2012 | Spring |
| 902 - 1,191 | 2011 | Spring |
| 2,021 - 2,329 | 2010 | Spring |
| 335 - 500 | 2006 | Spring |
| 686 - 1,257 | 2005 | Spring |
| 1,111 - 1,395 | 2004 | Spring |
| 500 - 972 | 2003 | Spring |
| 749 - 968 | 2002 | Spring |
| 724 - 895 | 2001 | Spring |
| 1,501 - 1,576 | 2000 | Spring |
| 1,000 | 1998 | Spring |
| 329 - 6,000 | 1995 | Spring |
| 500 | 1994 | Spring |
| 1,100 | 1993 | Spring |
| 436 | 1991 | Spring |
| Comox Valley (BC014) | ||
|---|---|---|
| Number | Year | Season |
| 284 - 430 | 2017 | Winter |
| 320 - 450 | 2016 | Winter |
| 290 - 578 | 2015 | Winter |
| 333 - 1,091 | 2014 | Winter |
| 315 - 1,465 | 2013 | Winter |
| 300 | 2013 | Spring |
| 340 - 1,040 | 2012 | Winter |
| 400 | 2012 | Fall |
| 268 - 1,539 | 2011 | Winter |
| 310 - 1,395 | 2010 | Winter |
| 360 - 650 | 2010 | Fall |
| 300 - 1,216 | 2009 | Winter |
| 289 - 2,906 | 2008 | Winter |
| 1,796 | 2006 | Winter |
| 481 - 1,424 | 2005 | Winter |
| 461 - 2,939 | 2004 | Winter |
| 910 - 2,939 | 2003 | Winter |
| 400 - 1,195 | 2002 | Winter |
| 400 - 1,560 | 2001 | Winter |
| 270 - 1,904 | 2000 | Winter |
| 1,279 | 1999 | Winter |
| 315 - 1,221 | 1998 | Winter |
| 1,494 | 1997 | Winter |
| 1,011 - 2,100 | 1995 | Winter |
| 802 | 1994 | Winter |
| 742 | 1993 | Winter |
| 1,098 | 1992 | Winter |
| 415 | 1991 | Winter |
| 715 | 1990 | Winter |
| K'ómoks (BC272) | ||
|---|---|---|
| Number | Year | Season |
| 338 - 882 | 2021 | Winter |
| 290 - 350 | 2020 | Winter |
| 260 - 575 | 2019 | Winter |
| 292 | 2018 | Spring |
| 275 - 352 | 2018 | Winter |
| 284 - 454 | 2017 | Winter |
| 320 - 1,180 | 2016 | Winter |
| 290 - 578 | 2015 | Winter |
| 279 - 1,091 | 2014 | Winter |
| 290 | 2014 | Fall |
| 400 - 1,465 | 2013 | Winter |
| 300 - 1,500 | 2013 | Spring |
| 340 - 2,550 | 2012 | Winter |
| 400 | 2012 | Fall |
| 407 - 2,274 | 2011 | Winter |
| 310 - 2,179 | 2010 | Winter |
| 360 - 650 | 2010 | Fall |
| 260 | 2010 | Spring |
| 300 - 2,119 | 2009 | Winter |
| 289 - 2,906 | 2008 | Winter |
| 306 - 2,256 | 2007 | Winter |
| 1,796 - 2,804 | 2006 | Winter |
| 600 | 2006 | Fall |
| 481 - 2,360 | 2005 | Winter |
| 461 - 1,474 | 2004 | Winter |
| 910 - 2,939 | 2003 | Winter |
| 400 - 1,195 | 2002 | Winter |
| 400 - 1,560 | 2001 | Winter |
| 270 - 1,904 | 2000 | Winter |
| 1,279 | 1999 | Winter |
| 315 - 1,221 | 1998 | Winter |
| 1,494 | 1997 | Winter |
| 1,011 | 1995 | Winter |
| 802 | 1994 | Winter |
| 742 | 1993 | Winter |
| 1,098 | 1992 | Winter |
| 415 | 1991 | Winter |
| 715 | 1990 | Winter |
| Tagish Narrows (YK017) | ||
|---|---|---|
| Number | Year | Season |
| 670 - 1,534 | 2021 | Spring |
| 345 - 390 | 2020 | Spring |
| 312 - 640 | 2019 | Spring |
| 500 - 647 | 2018 | Spring |
| 682 - 773 | 2017 | Spring |
| 434 - 679 | 2016 | Spring |
| 585 - 765 | 2015 | Spring |
| 380 - 901 | 2014 | Spring |
| 491 - 1,001 | 2013 | Spring |
| 277 - 520 | 2012 | Spring |
| 875 - 1,100 | 2011 | Spring |
| 874 - 1,120 | 2010 | Spring |
| 475 - 737 | 2006 | Spring |
| 434 - 856 | 2005 | Spring |
| 567 - 645 | 2004 | Spring |
| 800 | 2003 | Spring |
| 407 - 2,000 | 1995 | Spring |
| 1,000 | 1990 | Spring |
| Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017) | ||
|---|---|---|
| Number | Year | Season |
| 325 - 400 | 2021 | Spring |
| 263 - 345 | 2021 | Winter |
| 297 - 331 | 2020 | Winter |
| 280 | 2018 | Fall |
| 450 | 2018 | Winter |
| 377 | 2017 | Winter |
| 310 - 1,090 | 2016 | Winter |
| 440 - 500 | 2015 | Winter |
| 300 - 812 | 2014 | Winter |
| 275 | 2013 | Spring |
| 500 - 650 | 2013 | Winter |
| 1,418 | 2012 | Winter |
| 294 | 2012 | Fall |
| 375 - 903 | 2011 | Winter |
| 330 | 2011 | Fall |
| 300 | 2011 | Spring |
| 287 - 1,867 | 2010 | Winter |
| 400 - 438 | 2010 | Fall |
| 300 - 1,455 | 2009 | Winter |
| 430 | 2009 | Spring |
| 284 | 2008 | Fall |
| 257 | 2008 | Spring |
| 264 - 723 | 2008 | Winter |
| 260 - 926 | 2007 | Winter |
| 279 - 500 | 2007 | Spring |
| 260 - 926 | 2006 | Winter |
| 300 - 933 | 2005 | Winter |
| 260 - 933 | 2004 | Winter |
| 297 - 853 | 2003 | Winter |
| 260 - 853 | 2002 | Winter |
| 810 - 834 | 2001 | Winter |
| 810 | 2000 | Winter |
| 300 | 1999 | Winter |
| 270 - 573 | 1998 | Winter |
| 500 - 860 | 1997 | Winter |
| 551 | 1997 | Spring |
| 400 - 510 | 1996 | Winter |
| 311 - 645 | 1995 | Winter |
| 375 | 1995 | Fall |
| 425 - 776 | 1994 | Winter |
| 300 - 700 | 1992 | Winter |
| 325 - 440 | 1991 | Winter |
| 431 | 1990 | Winter |
| Fraser Lake (BC221) | ||
|---|---|---|
| Number | Year | Season |
| 281 - 580 | 1997 | Fall |
| 1,086 | 1996 | Fall |
| 1,232 | 1995 | Fall |
| 200 | 1995 | Winter |
| 1,078 | 1994 | Fall |
| 1,157 | 1993 | Fall |
| Frank Lake (south) (AB079) | ||
|---|---|---|
| Number | Year | Season |
| 300 - 500 | 2021 | Spring |
| 258 - 289 | 2020 | Fall |
| 367 | 2019 | Fall |
| 287 - 543 | 2017 | Fall |
| 300 - 343 | 2017 | Spring |
| 287 - 1,028 | 2016 | Fall |
| 333 - 605 | 2016 | Spring |
| 332 - 625 | 2015 | Fall |
| 300 | 2015 | Spring |
| 544 - 744 | 2013 | Fall |
| 500 - 550 | 2011 | Fall |
| 350 - 600 | 2010 | Fall |
| 500 | 2007 | Fall |
| 300 - 1,000 | 2001 | Fall |
| 36 | 1995 | Fall |
| 70 | 1994 | Fall |
| Somenos Marsh Wildlife Refuge (BC051) | ||
|---|---|---|
| Number | Year | Season |
| 1,000 | 1998 | Winter |
| 607 | 1997 | Winter |
| Little Qualicum Estuary to Nanoose Bay (BC056) | ||
|---|---|---|
| Number | Year | Season |
| 311 - 313 | 2020 | Winter |
| 320 | 2017 | Winter |
| 407 | 2016 | Winter |
| 553 | 2015 | Winter |
| 522 | 2014 | Winter |
| 275 | 2013 | Winter |
| 860 | 2012 | Winter |
| 293 | 2007 | Winter |
| Stuart, Tachie and Middle Rivers (BC223) | ||
|---|---|---|
| Number | Year | Season |
| 284 | 2019 | Winter |
| 573 - 671 | 2015 | Winter |
| 500 | 1995 | Winter |
| Chehalis River Estuary (BC033) | ||
|---|---|---|
| Number | Year | Season |
| 292 | 2009 | Fall |
| 509 | 2008 | Fall |
| 413 | 1997 | Winter |
| Aylmer Wildlife Management Area (ON011) | ||
|---|---|---|
| Number | Year | Season |
| 500 | 2018 | Spring |
| Shallow Bay, Big Slough and Swan Lake (YK014) | ||
|---|---|---|
| Number | Year | Season |
| 270 | 2019 | Spring |
| 300 - 500 | 2016 | Spring |
| 200 | 1994 | Spring |
| Cowichan estuary (BC048) | ||
|---|---|---|
| Number | Year | Season |
| 278 | 2016 | Spring |
| 280 - 302 | 2010 | Winter |
| 258 - 408 | 2009 | Winter |
| 216 | 1989 | Winter |
| South Thompson River (BC176) | ||
|---|---|---|
| Number | Year | Season |
| 256 | 2020 | Spring |
| 320 | 2001 | Winter |
| 175 | 1995 | Winter |
| Grande Prairie - Trumpeter Swan IBA (AB107) | ||
|---|---|---|
| Number | Year | Season |
| 300 | 2019 | Fall |
| 50 | 1999 | Fall |
| 309 | 1998 | Fall |
| 169 - 237 | 1997 | Fall |
| 233 | 1996 | Fall |
| 20 | 1995 | Summer |
| Baynes Sound (BC057) | ||
|---|---|---|
| Number | Year | Season |
| 279 | 2014 | Winter |
| 162 | 2007 | Winter |
| 179 | 1981 | Winter |
| Squamish River Area (BC023) | ||
|---|---|---|
| Number | Year | Season |
| 264 | 2019 | Spring |
| 40 | 1995 | Winter |