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Nom scientifique: Aythya valisineria

Article Wikipédia

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation5,200
Regional/ContinentalInformation5,200

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.

Old Wives-Frederick Lakes (SK031)
Number Year Season
63,0001984Summer
Long Point Peninsula and Marshes (ON001)
Number Year Season
4,070 - 7,8202017Fall
4,000 - 8,0002017Winter
5,000 - 9,0002016Fall
4,000 - 5,1822015Winter
5,0002015Fall
4,5002015Spring
5,0002014Spring
5,0002013Fall
5,0002012Fall
5,000 - 7,5002012Spring
7,000 - 25,0002012Winter
4,0002011Spring
4,4802007Winter
7,0232006Winter
4,0002006Spring
5,000 - 18,0001999Fall
4,457 - 51,7661998Winter
5,617 - 33,3091998Fall
5,529 - 29,8361998Spring
14,000 - 35,0001997Fall
12,000 - 25,0001996Fall
8,000 - 15,0001995Fall
8,000 - 25,0001994Fall
4,7011993Winter
9,000 - 41,8651993Fall
4,5001992Winter
6,0001990Fall
Utikuma and Utikumasis Lakes (AB054)
Number Year Season
40,0001975Summer
Cumberland Marshes (SK102)
Number Year Season
30,0001972Summer
Eastern Lake St. Clair (ON012)
Number Year Season
12,0002015Spring
12,0002014Spring
16,9032012Winter
8,0002007Spring
25,8002007Winter
19,2152004Spring
19,2152004Winter
5,0002002Winter
Lower Detroit River (ON047)
Number Year Season
5,000 - 16,9312018Winter
4,000 - 10,2002017Winter
9,0002015Winter
5,9352014Winter
2,2652013Winter
5,0842010Winter
2,0202009Winter
8,3652007Winter
4,1932006Winter
5,2872005Winter
9,9992000Winter
3,026 - 7,7561997Winter
14,0031996Winter
3,1401995Winter
918 - 11,0671994Winter
5,339 - 6,2031993Winter
Niagara River Corridor (ON002)
Number Year Season
5,7002013Winter
1,500 - 4,2262011Winter
3,5002010Winter
7,1762009Winter
1,0002003Winter
6,000 - 14,0001997Winter
Beaver Lake (NT084)
Number Year Season
8,0001975Fall
Wolfe Island (ON037)
Number Year Season
7,5001995Spring
Presqu'ile Provincial Park (ON004)
Number Year Season
6,3002003Spring
4,0001997Spring
5,0061993Spring
Reed Lake (SK034)
Number Year Season
5,5001995Fall
Norfolk Forest Complex (ON009)
Number Year Season
5,0002012Spring
Luck Lake (SK003)
Number Year Season
4,5002016Fall
Greater Rondeau Area (ON007)
Nombre Année Saison
4 0002016Winter
3 4001995Spring