Species · BCR 10 · BBS 2025 Release · 1966–2024
Spotted Sandpiper In Northern Rockies
Spotted Sandpiper in Northern Rockies has declined: down 29% on the route-weighted index since 1970.
-29%Since 1970
178Routes In Region
56Years
Notable Signals
No notable trend signals for Spotted Sandpiper in Northern Rockies. See the full index history below.
Forecast
If the recent trend holds, Spotted Sandpiper in Northern Rockies is projected to rise about 129% by 2029 — from 0.58 in 2024 to a central estimate of 1.3 (95% range 0.37–2.3). A 5-year backtest shows a typical error of ±117.6%, with 60% of held-out values landing inside the 95% band.
+129%Change by 2029
1.3Projected 2029 index
0.37–2.395% range
±117.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.3 | 0.38 | 2.3 |
| 2026 | 1.3 | 0.38 | 2.3 |
| 2027 | 1.3 | 0.38 | 2.3 |
| 2028 | 1.3 | 0.38 | 2.3 |
| 2029 | 1.3 | 0.37 | 2.3 |
Routes In Northern Rockies
| Yellowstone | WYOMING | 20 | 2022 |
| Nezperce | IDAHO | 19 | 2012 |
| Golden | IDAHO | 17 | 2016 |
| Sparta | OREGON | 12 | 2001 |
| Ne Entrance | WYOMING | 10 | 2021 |
| Nezperce Nf | IDAHO | 9 | 1999 |
| N Fork Cda R | IDAHO | 6 | 2019 |
| Alpine | WYOMING | 6 | 2024 |
| Challis | IDAHO | 5 | 2024 |
| Rochat Divde | IDAHO | 5 | 2019 |
| Philipsburg | MONTANA | 5 | 2022 |
| Granite | OREGON | 5 | 2022 |
| Donnybrook | OREGON | 5 | 1997 |
| Desolation | OREGON | 5 | 1999 |
| Cascade | IDAHO | 4 | 1984 |
| Centerville | IDAHO | 4 | 2019 |
| Arlee | MONTANA | 4 | 2024 |
| Painted Rock | MONTANA | 4 | 2022 |
| Logan Pass | MONTANA | 4 | 2024 |
| Logdell | OREGON | 4 | 2022 |
| Rock River | WYOMING | 4 | 1993 |
| Baldy Mountain | IDAHO | 3 | 2015 |
| Cobalt | IDAHO | 3 | 2024 |
| Yellow Pine | IDAHO | 3 | 2016 |
| Featherville | IDAHO | 3 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.