Species · Idaho · BBS 2025 Release · 1966–2024
Spotted Towhee Population Trend in Idaho
Spotted Towhee in Idaho has surged: up 108% on the route-weighted index since 1971.
+108%Since 1971
46Routes In State
53Years
Notable Spotted Towhee Trends in Idaho
long arc increasecomputed index
Spotted Towhee has surged in Idaho: up 108% on the route-weighted index since 1971.
Spotted Towhee Population Forecast in Idaho
If the recent trend holds, Spotted Towhee in Idaho is projected to stay roughly flat through 2029, near 2.1 (95% range 0.74–3.4). A 5-year backtest shows a typical error of ±19.1%, with 100% of held-out values landing inside the 95% band.
-7%Change by 2029
2.1Projected 2029 index
0.74–3.495% range
±19.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.0 | 0.66 | 3.4 |
| 2026 | 2.0 | 0.68 | 3.4 |
| 2027 | 2.0 | 0.70 | 3.4 |
| 2028 | 2.1 | 0.72 | 3.4 |
| 2029 | 2.1 | 0.74 | 3.4 |
Spotted Towhee Survey Routes in Idaho
| Featherville | 17 | 2024 | 1989 |
| Gifford | 11 | 2017 | 1971 |
| Coolin | 11 | 2024 | 1986 |
| Joel | 11 | 2024 | 1989 |
| Salmon River | 10 | 2021 | 1988 |
| Centerville | 7 | 2019 | 1972 |
| Naples | 6 | 2024 | 1975 |
| Magic Mtn | 6 | 2024 | 1987 |
| Almo | 5 | 2023 | 1988 |
| Nezperce | 4 | 2012 | 1968 |
| Rochat Divde | 4 | 2023 | 1993 |
| Leadore | 3 | 2015 | 1995 |
| Pocatello | 3 | 2019 | 1990 |
| Avery | 2 | 2023 | 1980 |
| N Fork Cda R | 2 | 2001 | 1995 |
| Craters | 2 | 2017 | 1986 |
| Cobalt | 2 | 2024 | 1999 |
| Crane Creek | 2 | 2019 | 1989 |
| Silver City | 2 | 2023 | 1989 |
| Picabo | 2 | 2021 | 1991 |
| Daniels Res | 2 | 2019 | 1989 |
| Blackft Res | 1 | 2012 | 1985 |
| Mivoden | 1 | 2022 | 1990 |
| Lolo Pass | 1 | 2015 | 1993 |
| Grangeville | 1 | 1995 | 1987 |
Spotted Towhee Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.