Species · BCR 10 · BBS 2025 Release · 1966–2024
Sprague's Pipit In Northern Rockies
Sprague's Pipit in Northern Rockies has collapsed: down 91% on the route-weighted index since 1970.
-91%Since 1970
8Routes In Region
36Years
Notable Signals
long arc declinecomputed index
Sprague's Pipit has collapsed in Northern Rockies: down 91% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Sprague's Pipit in Northern Rockies is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.14). A 5-year backtest shows a typical error of ±309.8%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.00Projected 2028 index
0.00–0.1495% range
±309.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.00 | 0.00 | 0.14 |
| 2025 | 0.00 | 0.00 | 0.14 |
| 2026 | 0.00 | 0.00 | 0.14 |
| 2027 | 0.00 | 0.00 | 0.14 |
| 2028 | 0.00 | 0.00 | 0.14 |
Routes In Northern Rockies
| Wolf Creek | MONTANA | 5 | 2022 |
| St Mary | MONTANA | 2 | 2008 |
| Raynesford | MONTANA | 2 | 2019 |
| Muddy Creek | MONTANA | 2 | 2015 |
| Clark | WYOMING | 2 | 2005 |
| Augusta | MONTANA | 1 | 2022 |
| St. Mary 2 | MONTANA | 1 | 2021 |
| Heart Butte | MONTANA | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.