Species · Montana · BBS 2025 Release · 1966–2024
Pine Grosbeak Population Trend in Montana
Pine Grosbeak in Montana has declined: down 34% on the route-weighted index since 1983.
-34%Since 1983
19Routes In State
35Years
Notable Pine Grosbeak Trends in Montana
No notable trend signals for Pine Grosbeak in Montana. See the full index history below.
Pine Grosbeak Population Forecast in Montana
If the recent trend holds, Pine Grosbeak in Montana is projected to stay roughly flat through 2028, near 0.05 (95% range 0.00–0.15). A 5-year backtest shows a typical error of ±110.9%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.05Projected 2028 index
0.00–0.1595% range
±110.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.05 | 0.00 | 0.15 |
| 2025 | 0.05 | 0.00 | 0.15 |
| 2026 | 0.05 | 0.00 | 0.15 |
| 2027 | 0.05 | 0.00 | 0.15 |
| 2028 | 0.05 | 0.00 | 0.15 |
Pine Grosbeak Survey Routes in Montana
| Skalkho-Rye | 4 | 2022 | 2001 |
| Logan Pass | 2 | 2019 | 1980 |
| Victor | 2 | 2015 | 1997 |
| Ninemile | 2 | 2010 | 1997 |
| Skalkaho | 2 | 1995 | 1993 |
| Libby Dam | 1 | 1988 | 1983 |
| Greenough | 1 | 1999 | 1999 |
| Elevation Mt | 1 | 2018 | 1996 |
| St Regis | 1 | 1991 | 1981 |
| Arlee | 1 | 2004 | 1986 |
| Woodman | 1 | 2015 | 2015 |
| Elliston | 1 | 2017 | 2017 |
| Inside Road | 1 | 2009 | 1996 |
| Sula | 1 | 2013 | 1999 |
| Whitefish Lake | 1 | 2023 | 2018 |
| Greenoagh 2 | 1 | 2010 | 2010 |
| Greenoagh 3 | 1 | 2022 | 2022 |
| Thompson Riv | 1 | 2019 | 2019 |
| Painted Rock | 1 | 2005 | 2005 |
Pine Grosbeak Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.