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 |
|---|---|---|---|---|
| Sprague's Pipit Anthus spragueii | VU | breeding (2005) | 236 pairs | A1 |
| Chestnut-collared Longspur Calcarius ornatus | VU | breeding (2005) | 705 males | A1 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1992 | Bitter Creek | Wilderness Study Area (Ib) | 6 |
| 2004 | WRP_Valley, MT (30105) | Environmental System (V) | <1 |
| 2004 | Wetlands | Reserve Program (V) | <1 |
| 2006 | WRP_Valley, MT (30105) | Environmental System (V) | <1 |
| 2010 | Bitter Creek | Easement (V) | 2 |
| 2010 | Cottonwood Bend | Conservation Easement (V) | <1 |
| 2011 | Not Reported | Conservation Easement (V) | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: North Valley Grasslands (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/north-valley-grasslands-iba-usa on 23/12/2024.