Data Zone
The site was identified as internationally important for bird conservation 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 List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Trumpeter Swan Cygnus buccinator | LC | breeding (2005) | 2,387 birds | A4i |
| Sandhill Crane Grus canadensis | LC | passage (1989) | 67,776 birds | A4i |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| - | Fortymile River | Designated - Scenic (V) | <1 |
| 1979 | Delta Junction Bison Range Area | State Range Area (VI) | 1 |
| 1980 | Tetlin | National Wildlife Refuge (IV) | 11 |
| 1980 | Wrangell-St. Elias | National Preserve (V) | 5 |
| 2008 | EWPP-FPE_Southeast Fairbanks, AK (02240) | Environmental System (V) | <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 25/12/2024.