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Species · Wyoming · BBS 2025 Release · 1966–2024

Western Kingbird Population Trend in Wyoming

All statesAerial insectivores

Western Kingbird in Wyoming has surged: up 142% on the route-weighted index since 1970.

+142%Since 1970
82Routes In State
56Years

Notable Western Kingbird Trends in Wyoming

long arc increasecomputed index

Western Kingbird has surged in Wyoming: up 142% on the route-weighted index since 1970.

Western Kingbird Population Forecast in Wyoming

If the recent trend holds, Western Kingbird in Wyoming is projected to rise about 27% by 2029 — from 2.7 in 2024 to a central estimate of 3.4 (95% range 1.8–5.0). A 5-year backtest shows a typical error of ±109.2%, with 20% of held-out values landing inside the 95% band.

+27%Change by 2029
3.4Projected 2029 index
1.8–5.095% range
±109.2%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
20253.21.64.8
20263.31.74.9
20273.31.74.9
20283.31.74.9
20293.41.85.0

Western Kingbird Survey Routes in Wyoming

Routes recording Western Kingbird in Wyoming.
Lingle4420241980
Midvale2720241987
Arvada2420241982
Bill1920181993
Redbird1319891968
Yoder1320241969
Chugwater1320241979
Hampshire1220241995
Otto1120241970
Pine Bluff1020241979
Lusk920241988
Ethete720241991
Lysite720241990
Seely620001991
Wyarno520241974
Raven520241996
Elk Horn420151990
Upton420241988
Worland420241992
Mayoworth420241982
Carter 2420242024
Basin320241971
Ervay320122011
Frannie320241991
Schoonover320241982

Western Kingbird Population Trend in Other States

alaskaarizonaarkansascaliforniacoloradoidahoillinoisindianaiowakansaslouisianamichiganminnesotamississippimissourimontananebraskanevadanew-mexiconorth-dakotaoklahomaoregonsouth-dakotatennesseetexasutahwashingtonwisconsin

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