The site was identified as important in 2009 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 |
---|---|---|---|---|---|
Trumpeter Swan Cygnus buccinator | LC | breeding | 2005 | 2,387 individuals | A4i |
Sandhill Crane Grus canadensis | LC | passage | 1989 | 67,776 individuals | A4i |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.
Year | Protected Area | Designation | % overlap with IBA |
---|---|---|---|
- | Fortymile River | Designated - Scenic | <1 |
1979 | Kluane / Wrangell-St Elias / Glacier Bay / Tatshenshini-Alsek | World Heritage Site (natural or mixed) | 5 |
1979 | Delta Junction Bison Range Area | State Range Area | 1 |
1980 | Tetlin | National Wildlife Refuge | 11 |
1980 | Wrangell-St. Elias | National Preserve | 5 |
2008 | EWPP-FPE_Southeast Fairbanks, AK (02240) | Environmental System | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Upper Tanana River Valley (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/upper-tanana-river-valley-iba-usa on 23/11/2024.