Data Zone
The site was identified as important in 2008 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Brent Goose Branta bernicla | LC | non-breeding | 1975 | 5,000 individuals | A4i |
| A4iii Species group - waterbirds | n/a | non-breeding | 1965 | 20,000-49,999 individuals | A4iii |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1961 | Banks Island Migratory Bird Sanctuary No. 2 | Migratory Bird Sanctuary | 100 |
| 1992 | Aulavik National Park Of Canada | National Park | 100 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Grassland | Tundra, Edaphic | - |
| Marine Intertidal | - | |
| Marine Neritic | - | |
| Shrubland | Scrub | - |
| Land use | % of IBA |
|---|---|
| not utilised | major (>10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Thomsen River (Canada). Downloaded from
https://datazone.birdlife.org/site/factsheet/thomsen-river-iba-canada on 23/11/2024.