Species · BCR 10 · BBS 2025 Release · 1966–2024
American Goldfinch In Northern Rockies
American Goldfinch in Northern Rockies has edged down: down 19% on the route-weighted index since 1970.
-19%Since 1970
164Routes In Region
56Years
Notable Signals
No notable trend signals for American Goldfinch in Northern Rockies. See the full index history below.
Forecast
If the recent trend holds, American Goldfinch in Northern Rockies is projected to fall about 31% by 2029 — from 1.4 in 2024 to a central estimate of 0.98 (95% range 0.29–1.7). A 5-year backtest shows a typical error of ±42.5%, with 60% of held-out values landing inside the 95% band.
-31%Change by 2029
0.98Projected 2029 index
0.29–1.795% range
±42.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.0 | 0.33 | 1.7 |
| 2026 | 1.0 | 0.32 | 1.7 |
| 2027 | 0.99 | 0.31 | 1.7 |
| 2028 | 0.98 | 0.30 | 1.7 |
| 2029 | 0.98 | 0.29 | 1.7 |
Routes In Northern Rockies
| Clinton | MONTANA | 18 | 1973 |
| Meeteetse | WYOMING | 16 | 2024 |
| Grangeville | IDAHO | 14 | 1987 |
| Laurel | MONTANA | 14 | 2022 |
| Muddy Creek | MONTANA | 14 | 2015 |
| Clyde Park | MONTANA | 12 | 2024 |
| Wolf Creek | MONTANA | 10 | 2022 |
| Otto | WYOMING | 9 | 2024 |
| Clark | WYOMING | 9 | 2024 |
| Kalispell | MONTANA | 8 | 2024 |
| Twin Bridges | MONTANA | 8 | 1974 |
| Heart Butte | MONTANA | 8 | 2024 |
| Sweetwater | WYOMING | 8 | 2009 |
| Alturas | IDAHO | 7 | 1968 |
| East Glacier Park | MONTANA | 7 | 2024 |
| Hells Canyon | OREGON | 6 | 2022 |
| Deer Park | WASHINGTON | 6 | 2015 |
| Dubois | WYOMING | 6 | 2024 |
| Buckskin Mtn | WYOMING | 6 | 2017 |
| Harmony | WYOMING | 6 | 2023 |
| Augusta | MONTANA | 5 | 2024 |
| Greenough | MONTANA | 5 | 2003 |
| Silver Creek | OREGON | 5 | 1990 |
| Black Mtn. | OREGON | 5 | 2003 |
| Donnybrook | OREGON | 5 | 1997 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.