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Great Black-backed Gull

Scientific Name: Larus marinus

Wikipedia Page

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation6,450
Regional/ContinentalInformation1,800

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.

Quidi Vidi Lake (NF022)
Number Year Season
1,5002017Winter
2,0002014Winter
2,0002013Winter
2,0002013Fall
1,400 - 2,0002011Winter
1,4002010Winter
2,0002008Winter
3,3651996Winter
5,970 - 8,0001995Winter
1,7291993Winter
Southern Bight, Minas Basin (NS020)
Number Year Season
2,5562002Winter
4,0482001Winter
3,5861998Winter
2,4981997Winter
1,7491996Winter
3,1981995Winter
5,7361994Winter
4,5501993Winter
5,1751992Winter
2,6491991Winter
1,7201990Winter
South Shore (Barrington Bay Sector) (NS018)
Number Year Season
3,0972014Winter
1,4782005Winter
1,3972000Winter
Quoddy Region (NB037)
Number Year Season
7961999Winter
9541998Winter
1,8441997Winter
2,9321996Winter
4401995Winter
7671994Winter
2,1171993Winter
Gros Morne National Park (NF045)
Number Year Season
2,5482015Winter
2,0502014Winter
Niagara River Corridor (ON002)
Number Year Season
1,5401999Winter
2,0891998Winter
Baie des Escoumins et Grandes-Bergeronnes (QC084)
Number Year Season
1201995Spring
521995Summer
2,0001984Spring
Brier Island and Offshore Waters (NS021)
Number Year Season
2,0002002Spring
Île Brion (QC007)
Number Year Season
5001985Summer
2,0001981Fall
8391976Summer
Machias Seal Island (NB019)
Number Year Season
2,0002007Winter
Lac Deschênes-Ottawa River (ON112)
Number Year Season
1,5002002Fall
1,7002002Winter
Île aux Pommes (QC047)
Number Year Season
1,5681990Spring
1,5601990Summer
1,2701977Summer
Sable Island, Nova Scotia (NS025)
Number Year Season
1,5502017Winter
1,2001998Summer
1,2601970Summer
Tadoussac (QC085)
Number Year Season
1,5251996Fall
Bon Portage Island (NS015)
Number Year Season
1,5002016Fall
Île Bonaventure / Bonaventure Island (QC001)
Number Year Season
4102008Summer
1,5001978Fall
??Other
Îles Sainte-Marie (QC065)
Number Year Season
5181993Summer
2101988Summer
8321982Summer
1,5001978Summer
5241977Summer
Rimouski (QC041)
Number Year Season
1,3522008Fall