Species · Idaho · BBS 2025 Release · 1966–2024
Eastern Kingbird Population Trend in Idaho
Eastern Kingbird in Idaho has fallen sharply: down 62% on the route-weighted index since 1970.
-62%Since 1970
43Routes In State
56Years
Notable Eastern Kingbird Trends in Idaho
long arc declinecomputed index
Eastern Kingbird has fallen sharply in Idaho: down 62% on the route-weighted index since 1970.
Eastern Kingbird Population Forecast in Idaho
If the recent trend holds, Eastern Kingbird in Idaho is projected to fall about 63% by 2029 — from 0.68 in 2024 to a central estimate of 0.25 (95% range 0.00–1.2). A 5-year backtest shows a typical error of ±62.7%, with 100% of held-out values landing inside the 95% band.
-63%Change by 2029
0.25Projected 2029 index
0.00–1.295% range
±62.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.31 | 0.00 | 1.2 |
| 2026 | 0.30 | 0.00 | 1.2 |
| 2027 | 0.28 | 0.00 | 1.2 |
| 2028 | 0.27 | 0.00 | 1.2 |
| 2029 | 0.25 | 0.00 | 1.2 |
Eastern Kingbird Survey Routes in Idaho
| Coolin | 8 | 2024 | 1988 |
| Kyle Canyon | 4 | 2022 | 2008 |
| Crane Creek | 4 | 2019 | 1988 |
| Naples | 3 | 2024 | 1972 |
| Gifford | 3 | 2017 | 1971 |
| Baker | 3 | 2024 | 1975 |
| Dubois | 3 | 2023 | 1972 |
| Pocatello | 3 | 1989 | 1984 |
| Preston | 3 | 2023 | 1988 |
| Blackft Res | 2 | 2003 | 1991 |
| Grangeville | 2 | 1987 | 1987 |
| Cascade | 2 | 1981 | 1971 |
| Leadore | 2 | 2019 | 2007 |
| Tractor Flat | 2 | 2015 | 1988 |
| Alturas | 2 | 1968 | 1968 |
| Triangle | 2 | 2024 | 1990 |
| Glenns Ferry | 2 | 1986 | 1969 |
| Circular Bu | 2 | 2007 | 2007 |
| Joel | 2 | 2022 | 1989 |
| Picabo | 2 | 2021 | 1988 |
| Carey | 2 | 1989 | 1989 |
| Hot Spring | 2 | 1997 | 1996 |
| Nezperce | 1 | 2008 | 1968 |
| Twin Buttes | 1 | 2023 | 1989 |
| Golden | 1 | 2008 | 2008 |
Eastern Kingbird Population Trend in Other States
alabamaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.