BirdAnalyst
Species · Idaho · BBS 2025 Release · 1966–2024

Western Kingbird Population Trend in Idaho

All statesAerial insectivores

Western Kingbird in Idaho has surged: up 157% on the route-weighted index since 1970.

+157%Since 1970
46Routes In State
56Years

Notable Western Kingbird Trends in Idaho

long arc increasecomputed index

Western Kingbird has surged in Idaho: up 157% on the route-weighted index since 1970.

Western Kingbird Population Forecast in Idaho

If the recent trend holds, Western Kingbird in Idaho is projected to rise about 113% by 2029 — from 2.2 in 2024 to a central estimate of 4.7 (95% range 2.5–6.9). A 5-year backtest shows a typical error of ±72.4%, with 60% of held-out values landing inside the 95% band.

+113%Change by 2029
4.7Projected 2029 index
2.5–6.995% range
±72.4%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20254.52.36.6
20264.52.46.7
20274.62.46.7
20284.62.56.8
20294.72.56.9

Western Kingbird Survey Routes in Idaho

Routes recording Western Kingbird in Idaho.
Glenns Ferry9819861968
Pocatello2620191979
Ririe2120231971
Cedar Hill2120241989
Blacks Creek1720171969
Mud Lake1720231988
Pasadena Val1320161987
Acequia1220121979
Mora1120242018
Dubois1020241971
Preston920231988
Crane Creek820191988
Picabo820211989
Iron Springs520131995
Daniels Res520191988
Gifford420171971
Springfield320181969
Triangle320241985
Salmon River320212002
Twin Buttes220231997
Kyle Canyon220241989
Challis220112011
Craters220171987
Magic Mtn220242011
Tractor Flat220241985

Western Kingbird Population Trend in Other States

alaskaarizonaarkansascaliforniacoloradoillinoisindianaiowakansaslouisianamichiganminnesotamississippimissourimontananebraskanevadanew-mexiconorth-dakotaoklahomaoregonsouth-dakotatennesseetexasutahwashingtonwisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.