Species · Montana · BBS 2025 Release · 1966–2024
Townsend's Solitaire Population Trend in Montana
Townsend's Solitaire in Montana has fallen sharply: down 53% on the route-weighted index since 1970.
-53%Since 1970
41Routes In State
56Years
Notable Townsend's Solitaire Trends in Montana
long arc declinecomputed index
Townsend's Solitaire has fallen sharply in Montana: down 53% on the route-weighted index since 1970.
Townsend's Solitaire Population Forecast in Montana
If the recent trend holds, Townsend's Solitaire in Montana is projected to rise about 261% by 2029 — from 0.20 in 2024 to a central estimate of 0.72 (95% range 0.16–1.3). A 5-year backtest shows a typical error of ±150.5%, with 80% of held-out values landing inside the 95% band.
+261%Change by 2029
0.72Projected 2029 index
0.16–1.395% range
±150.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.70 | 0.13 | 1.3 |
| 2026 | 0.70 | 0.14 | 1.3 |
| 2027 | 0.71 | 0.14 | 1.3 |
| 2028 | 0.72 | 0.15 | 1.3 |
| 2029 | 0.72 | 0.16 | 1.3 |
Townsend's Solitaire Survey Routes in Montana
| Skalkho-Rye | 8 | 2022 | 1999 |
| Cramer Creek | 5 | 2019 | 1995 |
| Skalkaho | 4 | 1998 | 1992 |
| Greenough | 3 | 2004 | 1995 |
| Polson | 3 | 2022 | 1994 |
| Arlee | 3 | 2024 | 1968 |
| Jordan | 3 | 2010 | 2002 |
| Woodman | 3 | 2023 | 1968 |
| Greenoagh 2 | 3 | 2011 | 2005 |
| Painted Rock | 3 | 2022 | 1993 |
| Logan Pass | 2 | 2022 | 1980 |
| Victor | 2 | 2022 | 1993 |
| Threemile Wa | 2 | 2024 | 1993 |
| Elevation Mt | 2 | 2024 | 1995 |
| Clancy | 2 | 2023 | 2015 |
| Maynard Coulee | 2 | 2024 | 2021 |
| Brunzell Slough | 2 | 2022 | 2022 |
| Wise River | 2 | 2022 | 1994 |
| Noxon | 2 | 2023 | 2000 |
| Libby Dam | 1 | 2024 | 1981 |
| Kalispell | 1 | 2016 | 1973 |
| Pryor Mtn. | 1 | 2024 | 2000 |
| St Regis | 1 | 2019 | 1977 |
| Clinton | 1 | 2024 | 1976 |
| Elliston | 1 | 2016 | 1970 |
Townsend's Solitaire Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.