Data Zone
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 |
|---|---|---|---|---|---|
| Sprague's Pipit Anthus spragueii | VU | breeding | 2005 | 236 breeding pairs | A1 |
| Chestnut-collared Longspur Calcarius ornatus | VU | breeding | 2005 | 705 males | A1 |
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 |
|---|---|---|---|
| 1992 | Bitter Creek | Wilderness Study Area | 6 |
| 2004 | WRP_Valley, MT (30105) | Environmental System | <1 |
| 2004 | Wetlands | Reserve Program | <1 |
| 2006 | WRP_Valley, MT (30105) | Environmental System | <1 |
| 2010 | Bitter Creek | Easement | 2 |
| 2010 | Cottonwood Bend | Conservation Easement | <1 |
| 2011 | Not Reported | Conservation Easement | <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 22/11/2024.