Species · BCR 10 · BBS 2025 Release · 1966–2024
Mountain Plover In Northern Rockies
Mountain Plover in Northern Rockies has collapsed: down 82% on the route-weighted index since 1970.
-82%Since 1970
23Routes In Region
48Years
Notable Signals
long arc declinecomputed index
Mountain Plover has collapsed in Northern Rockies: down 82% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Mountain Plover in Northern Rockies is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.11). A 5-year backtest shows a typical error of ±46.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.01Projected 2029 index
0.00–0.1195% range
±46.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.02 | 0.00 | 0.12 |
| 2026 | 0.01 | 0.00 | 0.12 |
| 2027 | 0.01 | 0.00 | 0.11 |
| 2028 | 0.01 | 0.00 | 0.11 |
| 2029 | 0.01 | 0.00 | 0.11 |
Routes In Northern Rockies
| Bear Creek | WYOMING | 3 | 2024 |
| Lysite | WYOMING | 3 | 1996 |
| Clark | WYOMING | 2 | 2019 |
| Gebo | WYOMING | 2 | 2014 |
| Bairoil | WYOMING | 2 | 1988 |
| Walcott | WYOMING | 2 | 1992 |
| Rock River | WYOMING | 2 | 2006 |
| Seedskadee | WYOMING | 2 | 1998 |
| Boulder | MONTANA | 1 | 1970 |
| Midvale | WYOMING | 1 | 1999 |
| Ervay | WYOMING | 1 | 2019 |
| Mckinnon | WYOMING | 1 | 1980 |
| Frannie | WYOMING | 1 | 2014 |
| Arminto | WYOMING | 1 | 2015 |
| Sweetwater | WYOMING | 1 | 2024 |
| Lamont | WYOMING | 1 | 2003 |
| Pathfinder | WYOMING | 1 | 1984 |
| Shirley | WYOMING | 1 | 2022 |
| Green River | WYOMING | 1 | 1982 |
| Reliance | WYOMING | 1 | 1984 |
| Wamsutter | WYOMING | 1 | 2006 |
| Harmony | WYOMING | 1 | 2022 |
| Prior Flats | WYOMING | 1 | 2006 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.