Species · Idaho · BBS 2025 Release · 1966–2024
Black-capped Chickadee Population Trend in Idaho
Black-capped Chickadee in Idaho has held roughly steady: down 5% on the route-weighted index since 1971.
-5%Since 1971
46Routes In State
55Years
Notable Black-capped Chickadee Trends in Idaho
No notable trend signals for Black-capped Chickadee in Idaho. See the full index history below.
Black-capped Chickadee Population Forecast in Idaho
If the recent trend holds, Black-capped Chickadee in Idaho is projected to fall about 28% by 2029 — from 1.5 in 2024 to a central estimate of 1.1 (95% range 0.00–2.9). A 5-year backtest shows a typical error of ±39.5%, with 100% of held-out values landing inside the 95% band.
-28%Change by 2029
1.1Projected 2029 index
0.00–2.995% range
±39.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.1 | 0.00 | 2.9 |
| 2026 | 1.1 | 0.00 | 2.9 |
| 2027 | 1.1 | 0.00 | 2.9 |
| 2028 | 1.1 | 0.00 | 2.9 |
| 2029 | 1.1 | 0.00 | 2.9 |
Black-capped Chickadee Survey Routes in Idaho
| Coolin | 18 | 2024 | 1986 |
| Lolo Pass | 12 | 2016 | 1994 |
| Naples | 8 | 2024 | 1972 |
| Mivoden | 4 | 2023 | 1977 |
| Sunbeam | 4 | 2019 | 1994 |
| Featherville | 4 | 2024 | 1992 |
| Nezperce Nf | 4 | 1999 | 1992 |
| Avery | 3 | 2023 | 1983 |
| Gifford | 3 | 2017 | 1972 |
| Leadore | 3 | 2022 | 1975 |
| Rochat Divde | 3 | 2023 | 1993 |
| Alturas | 3 | 1987 | 1968 |
| Nezperce | 2 | 2012 | 1989 |
| Grangeville | 2 | 2023 | 1986 |
| Baker | 2 | 2024 | 1975 |
| Cascade | 2 | 1983 | 1968 |
| Squirrel | 2 | 2024 | 1971 |
| Ririe | 2 | 2023 | 1992 |
| Pocatello | 2 | 2019 | 1987 |
| Marble Creek | 2 | 2022 | 1988 |
| Joel | 2 | 2024 | 1989 |
| Burgdorf | 2 | 2015 | 1996 |
| Yellow Pine | 2 | 2016 | 1998 |
| Dougal Res | 2 | 2009 | 1988 |
| Almo | 2 | 2022 | 1988 |
Black-capped Chickadee Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.