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 |
---|---|---|---|---|
Sage Grouse Centrocercus urophasianus | NT | breeding (2001) | 2,500 males | A1, A4ii |
Year | Protected Area | Designation (management category) | % coverage of IBA |
---|---|---|---|
- | Hawk Mountain | Wilderness Study Area (Ib) | 1 |
- | Hawksie-Walksie | Area of Critical Environmental Concern (V) | <1 |
1931 | Sheldon | National Wildlife Refuge (IV) | 98 |
1992 | Sage Hen Hills | Wilderness Study Area (Ib) | <1 |
2012 | Alkali Peak Propo | Proposed Wilderness (Ib) | 10 |
2012 | Big Spring Table Propo | Proposed Wilderness (Ib) | 8 |
2012 | Gooch Table Propo | Proposed Wilderness (Ib) | 7 |
2012 | Round Table Propo | Proposed Wilderness (Ib) | 6 |
2012 | Fish Creek Table - Little Catnip Propo | Proposed Wilderness (Ib) | 5 |
2012 | Big Mountain Propo | Proposed Wilderness (Ib) | 4 |
2012 | Sage Hen Hills Propo | Proposed Wilderness (Ib) | 4 |
2012 | Rye Creek Propo | Proposed Wilderness (Ib) | 3 |
2012 | Hell Creek Propo | Proposed Wilderness (Ib) | 2 |
2012 | Fish Creek Mountain Propo | Proposed Wilderness (Ib) | 2 |
2012 | Catnip Mountain Propo | Proposed Wilderness (Ib) | 2 |
2012 | Railroad Point Propo | Proposed Wilderness (Ib) | 2 |
2012 | Bateman Propo | Proposed Wilderness (Ib) | 1 |
2012 | Guano Valley Propo | Proposed Wilderness (Ib) | 1 |
2012 | Tenmile Propo | Proposed Wilderness (Ib) | 1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sheldon NWR (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/sheldon-nwr-iba-usa on 26/12/2024.