The site was identified as internationally important for bird conservation in 2006 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
| Species |
Red List |
Season (year/s of estimate) |
Size |
IBA criteria |
| Tundra Swan Cygnus columbianus |
LC |
breeding (2005) |
1,000–1,200 birds |
A4i, A3 |
| Red-breasted Goose Branta ruficollis |
VU |
breeding (2005) |
55–70 birds |
A1, A3 |
| Greater White-fronted Goose Anser albifrons |
LC |
breeding (2005) |
6,000–8,000 birds |
A4i, A3 |
| Red-breasted Merganser Mergus serrator |
LC |
breeding (2005) |
100–200 birds |
A4i |
| Greater Scaup Aythya marila |
LC |
breeding (2005) |
7,000–10,000 birds |
A4i, A3 |
| Northern Pintail Anas acuta |
LC |
breeding (2005) |
8,000–15,000 birds |
A4i, A3 |
| Red-throated Loon Gavia stellata |
LC |
breeding (2005) |
300–400 birds |
A4i |
| Grey Plover Pluvialis squatarola |
VU |
breeding (2005) |
800–1,000 birds |
A3 |
| Temminck's Stint Calidris temminckii |
LC |
breeding (2005) |
20,000–30,000 birds |
A3 |
| Dunlin Calidris alpina |
NT |
breeding (2005) |
4,000–4,500 birds |
A3 |
| Little Stint Calidris minuta |
LC |
breeding (2005) |
10,000–20,000 birds |
A3 |
| Spotted Redshank Tringa erythropus |
LC |
breeding (2005) |
50–100 birds |
A3 |
| Arctic Tern Sterna paradisaea |
LC |
breeding (2005) |
5,000–5,500 birds |
A3 |
| Long-tailed Jaeger Stercorarius longicaudus |
LC |
breeding (1980–2005) |
1,000–2,000 pairs |
A3, A4ii |
| Arctic Jaeger Stercorarius parasiticus |
LC |
breeding (1980–2005) |
500–1,500 pairs |
A3, A4ii |
| Snowy Owl Bubo scandiacus |
VU |
breeding (1980–2004) |
4–20 birds |
A3 |
| Rough-legged Buzzard Buteo lagopus |
LC |
breeding (2005) |
6,000–7,000 birds |
A3 |
| Red-throated Pipit Anthus cervinus |
LC |
breeding (2005) |
170,000–180,000 birds |
A3 |
| A4iii Species group - waterbirds |
n/a |
breeding (1980–2005) |
230,000–600,000 birds |
A4iii |
