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Tundra Swan
Scientific Name: Cygnus columbianus
Thresholds:
- Eastern Lake St. Clair (ON012)135,000 (max.)
- Thedford Flats (ON026)33,000 (max.)
- Luck Lake (SK003)16,900 (max.)
- Queen Maud Gulf (NU009)15,392 (max.)
- Aylmer Wildlife Management Area (ON011)12,000 (max.)
- Big Lake (AB068)12,000 (max.)
- M'Clintock Bay to Lewes River Marsh (YK016)12,000 (max.)
- Long Point Peninsula and Marshes (ON001)11,500 (max.)
- Greater Rondeau Area (ON007)9,736 (max.)
- Saskatchewan River Delta (MB055)9,216 (max.)
- South Shore Great Slave Lake (Slave River Delta to Taltson Bay) (NT087)7,700 (max.)
- Whitewater Lake (MB015)7,500 (max.)
- Creston Valley (BC179)6,000 (max.)
- Point Pelee (ON006)5,060 (max.)
- Cumberland Marshes (SK102)5,000 (max.)
- Frank Lake (south) (AB079)5,000 (max.)
- Nisutlin River Delta (YK003)5,000 (max.)
- Reed Lake (SK034)5,000 (max.)
- Pittock Reservoir (ON027)4,500 (max.)
- Beaver Lake (NT084)4,470 (max.)
- Eagle, Namaka and Stobart Lakes (AB078)4,000 (max.)
- Port Franks Forested Dunes (ON024)4,000 (max.)
- Rasmussen Lowlands (NU008)3,822 (max.)
- Lesser Slave Lake PP (AB003)3,500 (max.)
- Lower Mackenzie River Islands (NT080)3,250 (max.)
- Peace-Athabasca Delta (AB002)3,000 (max.)
- Oak Lake/Plum Lakes Area (MB011)2,800 (max.)
- Mackenzie River Delta (NT016)2,500 (max.)
- Radisson Lake (SK083)2,500 (max.)
- Tobin Lake (SK099)2,500 (max.)
- West End of Lake Ontario (ON022)2,250 (max.)
- Norfolk Forest Complex (ON009)2,200 (max.)
- Mills Lake (NT083)2,190 (max.)
- Pelican Lake (SK059)2,075 (max.)
- North Arm, Great Slave Lake (NT086)2,050 (max.)
- Beaverhill Lake (AB001)2,000 (max.)
- Blackstrap Coulee (SK078)2,000 (max.)
- Dundas Valley and Dundas Marsh (ON005)2,000 (max.)
- Brackett Lake (NT082)1,500 (max.)
- Frank Lake (north) (AB115)1,500 (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.
| Eastern Lake St. Clair (ON012) | ||
|---|---|---|
| Number | Year | Season |
| 1,490 - 3,500 | 2021 | Winter |
| 1,500 - 5,450 | 2020 | Winter |
| 1,500 - 8,500 | 2020 | Fall |
| 1,800 - 4,500 | 2019 | Winter |
| 5,000 - 12,000 | 2019 | Fall |
| 1,500 - 4,000 | 2019 | Spring |
| 4,500 | 2018 | Winter |
| 1,750 - 7,000 | 2018 | Fall |
| 2,200 | 2017 | Winter |
| 1,500 - 3,500 | 2017 | Fall |
| 1,500 - 10,870 | 2016 | Winter |
| 1,500 | 2015 | Fall |
| 2,454 | 2015 | Winter |
| 1,500 - 2,500 | 2014 | Winter |
| 3,000 - 8,590 | 2014 | Fall |
| 2,000 | 2012 | Spring |
| 3,876 | 2012 | Winter |
| 1,500 | 2009 | Fall |
| 2,299 - 2,685 | 2007 | Spring |
| 2,004 - 6,596 | 2007 | Winter |
| 1,712 - 2,614 | 2006 | Winter |
| 1,871 | 2005 | Winter |
| 5,430 | 2004 | Spring |
| 5,430 | 2004 | Winter |
| 5,331 | 1997 | Spring |
| 4,300 - 5,331 | 1997 | Winter |
| 2,500 | 1990 | Spring |
| 11,500 | 1980 | Fall |
| 135,000 | 1980 | Spring |
| Thedford Flats (ON026) | ||
|---|---|---|
| Number | Year | Season |
| 6,000 - 18,000 | 2021 | Spring |
| 1,900 - 2,100 | 2020 | Winter |
| 15,000 - 33,000 | 2020 | Spring |
| 5,000 - 10,000 | 2019 | Spring |
| 5,000 - 8,000 | 2018 | Spring |
| 2,000 - 3,000 | 2017 | Winter |
| 10,200 | 2016 | Spring |
| 3,000 - 4,000 | 2014 | Spring |
| 3,800 - 11,500 | 2013 | Spring |
| 5,000 | 2011 | Spring |
| 2,000 | 2009 | Spring |
| 10,000 | 1998 | Spring |
| 7,000 | 1996 | Spring |
| 8,000 | 1995 | Spring |
| 16,356 | 1994 | Spring |
| 13,100 | 1993 | Spring |
| 3,300 | 1991 | Spring |
| 10,000 | 1990 | Spring |
| 5,000 | 1989 | Spring |
| 3,800 | 1988 | Spring |
| 8,000 | 1987 | Spring |
| 8,000 | 1986 | Spring |
| 2,819 | 1985 | Spring |
| 1,500 | 1984 | Winter |
| 10,000 | 1983 | Spring |
| 5,500 | 1977 | Spring |
| Luck Lake (SK003) | ||
|---|---|---|
| Number | Year | Season |
| 16,900 | 1994 | Fall |
| 9,200 | 1993 | Fall |
| 4,200 | 1993 | Spring |
| 5,460 | 1992 | Fall |
| 3,120 | 1992 | Spring |
| 2,150 | 1991 | Spring |
| 1,800 | 1990 | Fall |
| 715 | 1990 | Spring |
| 4,140 | 1983 | Fall |
| Queen Maud Gulf (NU009) | ||
|---|---|---|
| Number | Year | Season |
| 15,392 | 1990 | Summer |
| Aylmer Wildlife Management Area (ON011) | ||
|---|---|---|
| Number | Year | Season |
| 1,500 - 2,500 | 2021 | Spring |
| 1,500 - 1,750 | 2020 | Spring |
| 2,000 | 2019 | Spring |
| 2,655 - 3,000 | 2018 | Spring |
| 1,600 - 5,000 | 2017 | Spring |
| 1,500 - 2,436 | 2016 | Spring |
| 1,800 - 3,100 | 2015 | Spring |
| 2,800 - 4,638 | 2013 | Spring |
| 1,500 - 4,000 | 2012 | Spring |
| 1,800 - 2,000 | 2010 | Spring |
| 2,000 | 2009 | Spring |
| 2,000 | 2008 | Spring |
| 2,000 | 2006 | Spring |
| 1,500 - 1,800 | 2004 | Spring |
| 2,000 | 2002 | Spring |
| 2,000 | 2001 | Spring |
| 2,800 | 1999 | Spring |
| 2,500 | 1998 | Spring |
| 2,000 | 1997 | Spring |
| 2,000 | 1996 | Spring |
| 500 | 1995 | Fall |
| 4,000 | 1995 | Spring |
| 2,000 - 4,000 | 1992 | Spring |
| 12,000 | 1985 | Spring |
| Big Lake (AB068) | ||
|---|---|---|
| Number | Year | Season |
| 1,500 | 2021 | Spring |
| 3,000 | 2012 | Fall |
| 12,000 | 1998 | Fall |
| 2,000 | 1995 | Fall |
| M'Clintock Bay to Lewes River Marsh (YK016) | ||
|---|---|---|
| Number | Year | Season |
| 1,476 | 2021 | Spring |
| 2,194 | 2013 | Spring |
| 12,000 | 1995 | Spring |
| 1,900 | 1990 | Spring |
| 1,050 | 1978 | Spring |
| Long Point Peninsula and Marshes (ON001) | ||
|---|---|---|
| Number | Year | Season |
| 1,620 - 3,000 | 2021 | Spring |
| 2,000 - 3,000 | 2020 | Winter |
| 1,600 - 5,000 | 2019 | Spring |
| 1,500 - 1,600 | 2018 | Spring |
| 2,100 - 8,500 | 2015 | Spring |
| 1,746 | 2014 | Winter |
| 2,500 - 8,000 | 2014 | Spring |
| 1,500 | 2013 | Winter |
| 1,500 - 7,500 | 2013 | Spring |
| 1,480 - 2,200 | 2012 | Winter |
| 2,000 | 2011 | Fall |
| 2,000 - 11,500 | 2011 | Spring |
| 2,000 | 2010 | Winter |
| 2,000 | 2010 | Fall |
| 2,156 | 2010 | Spring |
| 2,235 | 2009 | Winter |
| 1,500 | 2009 | Spring |
| 4,500 - 5,500 | 2008 | Spring |
| 2,500 | 2006 | Winter |
| 1,500 - 3,000 | 2006 | Spring |
| 10,000 | 2005 | Spring |
| 2,139 | 2004 | Winter |
| 2,255 | 2003 | Winter |
| 2,000 - 3,905 | 2003 | Spring |
| 1,500 - 3,970 | 2001 | Winter |
| 6,108 | 1999 | Winter |
| 3,000 | 1999 | Spring |
| 3,115 - 9,207 | 1998 | Winter |
| 9,159 - 10,544 | 1998 | Fall |
| 2,485 | 1997 | Winter |
| 2,284 | 1996 | Winter |
| 3,215 | 1994 | Winter |
| 11,260 | 1993 | Fall |
| 2,118 | 1992 | Winter |
| 4,000 - 8,000 | 1992 | Spring |
| 1,563 | 1991 | Winter |
| 1,500 - 5,000 | 1991 | Fall |
| 2,000 | 1991 | Spring |
| 2,009 | 1990 | Winter |
| Greater Rondeau Area (ON007) | ||
|---|---|---|
| Number | Year | Season |
| 2,000 - 2,500 | 2021 | Spring |
| 1,500 - 1,750 | 2021 | Winter |
| 3,000 - 3,600 | 2020 | Winter |
| 1,500 - 9,736 | 2019 | Winter |
| 2,500 - 2,800 | 2019 | Spring |
| 2,500 | 2018 | Spring |
| 1,500 | 2016 | Winter |
| 1,500 | 2013 | Spring |
| 1,900 | 2013 | Winter |
| 1,500 | 2011 | Spring |
| 2,000 - 7,000 | 2008 | Spring |
| 2,000 | 1998 | Winter |
| 8,500 | 1996 | Spring |
| Saskatchewan River Delta (MB055) | ||
|---|---|---|
| Number | Year | Season |
| 26,111 | 2020 | Spring |
| 9,216 | 2017 | Spring |
| 3,204 | 2015 | Spring |
| 8,836 | 2011 | Spring |
| South Shore Great Slave Lake (Slave River Delta to Taltson Bay) (NT087) | ||
|---|---|---|
| Number | Year | Season |
| 4,200 | 1983 | Spring |
| 7,700 | 1979 | Fall |
| 5,400 | 1979 | Spring |
| Whitewater Lake (MB015) | ||
|---|---|---|
| Number | Year | Season |
| 1,640 | 2016 | Fall |
| 6,000 - 7,500 | 2002 | Fall |
| 2,000 | 2001 | Fall |
| 2,000 | 1982 | Fall |
| Creston Valley (BC179) | ||
|---|---|---|
| Number | Year | Season |
| 500 | 2012 | Spring |
| 850 | 2011 | Spring |
| 1,000 | 2009 | Spring |
| 6,000 | 1980 | Fall |
| 6,000 | 1980 | Spring |
| 3,800 | 1975 | Spring |
| 2,400 | 1974 | Spring |
| 1,900 | 1973 | Spring |
| 2,300 | 1972 | Spring |
| 3,400 | 1971 | Spring |
| 3,100 | 1970 | Spring |
| Point Pelee (ON006) | ||
|---|---|---|
| Number | Year | Season |
| 5,060 | 2008 | Spring |
| 1,330 | 1996 | Spring |
| Cumberland Marshes (SK102) | ||
|---|---|---|
| Number | Year | Season |
| 5,000 | 1976 | Fall |
| Frank Lake (south) (AB079) | ||
|---|---|---|
| Number | Year | Season |
| 2,000 - 3,000 | 2002 | Spring |
| 2,000 - 5,000 | 2001 | Fall |
| 2,500 - 3,500 | 1995 | Fall |
| 1,500 - 2,000 | 1995 | Spring |
| 3,500 | 1994 | Fall |
| Nisutlin River Delta (YK003) | ||
|---|---|---|
| Number | Year | Season |
| 5,000 | 1997 | Fall |
| 1,500 | 1995 | Fall |
| 2,000 | ? | Other |
| Reed Lake (SK034) | ||
|---|---|---|
| Number | Year | Season |
| 3,000 | 2018 | Fall |
| 1,500 | 2017 | Fall |
| 3,000 | 2012 | Fall |
| 5,000 | 1995 | Spring |
| Pittock Reservoir (ON027) | ||
|---|---|---|
| Number | Year | Season |
| 4,500 | 1992 | Spring |
| Beaver Lake (NT084) | ||
|---|---|---|
| Number | Year | Season |
| 1,175 | 1973 | Spring |
| 4,470 | 1972 | Fall |
| Eagle, Namaka and Stobart Lakes (AB078) | ||
|---|---|---|
| Number | Year | Season |
| 2,000 | 2010 | Fall |
| 4,000 | 2009 | Fall |
| 1,500 | 2000 | Fall |
| 1,900 - 3,000 | 1994 | Fall |
| 3,000 | 1990 | Spring |
| Port Franks Forested Dunes (ON024) | ||
|---|---|---|
| Number | Year | Season |
| 1,500 - 5,000 | 2021 | Spring |
| 1,450 | 2020 | Winter |
| 1,500 - 4,000 | 2018 | Spring |
| 4,000 | 2011 | Spring |
| Rasmussen Lowlands (NU008) | ||
|---|---|---|
| Number | Year | Season |
| 3,822 | 1994 | Summer |
| Lesser Slave Lake PP (AB003) | ||
|---|---|---|
| Number | Year | Season |
| 3,500 | 1985 | Fall |
| 3,500 | 1985 | Spring |
| Lower Mackenzie River Islands (NT080) | ||
|---|---|---|
| Number | Year | Season |
| 3,250 | 1972 | Spring |
| Peace-Athabasca Delta (AB002) | ||
|---|---|---|
| Number | Year | Season |
| 1,926 | 2016 | Spring |
| 2,400 | 2015 | Fall |
| 2,000 - 3,000 | 2015 | Spring |
| Oak Lake/Plum Lakes Area (MB011) | ||
|---|---|---|
| Number | Year | Season |
| 1,765 | 2017 | Fall |
| 2,800 | 1995 | Fall |
| Mackenzie River Delta (NT016) | ||
|---|---|---|
| Number | Year | Season |
| 2,500 | 1995 | Summer |
| 2,500 | 1990 | Fall |
| Radisson Lake (SK083) | ||
|---|---|---|
| Number | Year | Season |
| 1,800 | 1999 | Fall |
| 2,500 | 1995 | Fall |
| 2,500 | 1995 | Spring |
| Tobin Lake (SK099) | ||
|---|---|---|
| Number | Year | Season |
| 2,500 | 1981 | Spring |
| 2,000 | 1976 | Fall |
| West End of Lake Ontario (ON022) | ||
|---|---|---|
| Number | Year | Season |
| 2,250 | 2020 | Spring |
| 2,046 | 2016 | Spring |
| Norfolk Forest Complex (ON009) | ||
|---|---|---|
| Number | Year | Season |
| 2,000 | 2019 | Spring |
| 1,700 - 2,200 | 2014 | Spring |
| 1,500 | 2013 | Spring |
| Mills Lake (NT083) | ||
|---|---|---|
| Number | Year | Season |
| 2,190 | 1972 | Fall |
| Pelican Lake (SK059) | ||
|---|---|---|
| Number | Year | Season |
| 2,075 | 1990 | Fall |
| North Arm, Great Slave Lake (NT086) | ||
|---|---|---|
| Number | Year | Season |
| 2,050 | 1990 | Spring |
| 1,653 | 1988 | Spring |
| 1,382 | 1987 | Spring |
| 584 | 1986 | Spring |
| Beaverhill Lake (AB001) | ||
|---|---|---|
| Number | Year | Season |
| 2,000 | 1992 | Spring |
| Blackstrap Coulee (SK078) | ||
|---|---|---|
| Number | Year | Season |
| 2,000 | 1995 | Fall |
| Dundas Valley and Dundas Marsh (ON005) | ||
|---|---|---|
| Number | Year | Season |
| 2,000 | 2013 | Spring |
| Brackett Lake (NT082) | ||
|---|---|---|
| Number | Year | Season |
| 1,500 | 1972 | Fall |
| Frank Lake (north) (AB115) | ||
|---|---|---|
| Number | Year | Season |
| 1,500 | 1998 | Fall |