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Glaucous-winged Gull

Scientific Name: Larus glaucescens

Wikipedia Page

Avibase

Dendroica

Cornell Lab of Ornithology

Thresholds:

GlobalInformation5,700
Regional/ContinentalInformation5,700

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.

Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017)
Number Year Season
5,000 - 6,0002017Winter
4,500 - 7,0002016Winter
4,800 - 6,5002016Fall
5,0002015Winter
7,0002015Fall
17,0392014Winter
37,0792013Winter
38,5372012Winter
4,000 - 40,5632011Winter
6,742 - 46,4242010Winter
40,594 - 47,9292009Winter
47,9292009Spring
30,0492008Winter
6,000 - 53,3802007Winter
6,000 - 55,8032006Winter
6,934 - 55,8032005Winter
4,126 - 6,9342004Winter
47,7282003Winter
28,472 - 47,7282002Winter
28,472 - 32,1882001Winter
5,0002001Fall
8,366 - 32,1882000Winter
5,0001998Winter
7,5211997Winter
19,000 - 20,5311995Winter
4,724 - 42,0001994Winter
20,6071993Winter
5,000 - 10,8001992Winter
9,000 - 22,0361991Winter
25,3891990Winter
44,8321980Winter
K'omoks (BC272)
Number Year Season
9,0252017Spring
5,0002016Spring
5,000 - 32,0002014Spring
5,000 - 8,0002013Spring
4,6972012Winter
7,5482011Spring
4,3632010Winter
5,000 - 8,0002010Fall
4,300 - 45,0002010Spring
5,6692006Spring
4,3102005Winter
6,914 - 6,9252004Winter
7,0002004Spring
9,2442003Winter
6,8662002Winter
8,5972001Winter
8,0002001Spring
5,6852000Winter
6,3101997Winter
7,5251995Winter
4,5561994Winter
4,4981991Winter
Lambert Channel/Hornby Island Waters (BC061)
Number Year Season
5,0002017Spring
5,0002016Spring
4,300 - 45,0002010Spring
5,1762001Winter
39,0001990Spring
41,0001989Spring
??Summer
Comox Valley (BC014)
Number Year Season
5,000 - 32,0002014Spring
5,000 - 8,0002013Spring
4,6972012Winter
4,3632010Winter
5,000 - 8,0002010Fall
4,3102005Winter
6,914 - 9,2442004Winter
9,2442003Winter
6,866 - 8,5972002Winter
8,5972001Winter
5,6852000Winter
6,3101997Winter
7,5251995Winter
4,5561994Winter
4,4981991Winter
Baynes Sound (BC057)
Number Year Season
9,0252017Spring
7,2802013Spring
15,0002010Spring
7,0002004Spring
8,0002001Spring
6,2501981Winter
Little Qualicum Estuary to Nanoose Bay (BC056)
Number Year Season
4,5002017Spring
5,1052012Winter
5,1342011Winter
5,0002011Spring
5,000 - 10,0002005Spring
4,9952002Winter
6,8002001Spring
5,6301998Winter
5,0751994Winter
5,1491991Winter
1,5001985Winter
??Winter
Skidegate Inlet (BC145)
Number Year Season
6,3422008Winter
4,5012002Winter
??Summer
Squamish River Area (BC023)
Number Year Season
4,4862013Winter
5,0412012Winter
4,3132007Winter
4,8692004Winter
5,0932003Winter
5,1562001Winter
Chain Islets & Great Chain Island (BC045)
Number Year Season
4,8641986Summer
Mandarte Island (BC046)
Number Year Season
4,7261987Summer
Kyuquot Channel Islets (BC088)
Number Year Season
4,5461988Summer