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Species · Wyoming · BBS 2026 Release · 1966–2025

Eastern Kingbird Population Trend in Wyoming

All statesAerial insectivores

Eastern Kingbird in Wyoming has edged up: up 24% on the route-weighted index since 1970.

+24%Since 1970TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
90Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Eastern Kingbird Trends in WyomingNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Eastern Kingbird in Wyoming. See the full index history below.

Eastern Kingbird Population Forecast in Wyoming

If the recent trend holds, Eastern Kingbird in Wyoming is projected to stay roughly flat through 2030, near 1.6 (95% range 0.41–2.7). A 5-year backtest shows a typical error of ±27%, with 100% of held-out values landing inside the 95% band.

+0%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
1.6Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.41–2.795% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±27%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Eastern Kingbird in Wyoming is projected to stay roughly flat through 2030, near 1.6 (95% range 0.41–2.7). A 5-year backtest shows a typical error of ±27%, with 100% of held-out values landing inside the 95% band.19682030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20261.60.422.7
20271.60.422.7
20281.60.422.7
20291.60.422.7
20301.60.412.7

Eastern Kingbird Survey Routes in Wyoming

Routes recording Eastern Kingbird in Wyoming.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Arvada1320251982
Rozet1220251991
Mayoworth1020241982
Green River1019841977
Wyarno920251974
Midvale820251987
Dayton820251980
Seely820001990
Upton820251987
Lysite720241989
Cody620251983
Gvnt Valley620251992
Sussex520251991
Lusk520251987
Seely 2520252001
Basin420251970
Clarkelen419781974
Redbird419891968
Dwyer420251992
Patrick Draw419801978
Yoder420251968
Soda Well420241979
Newcastle420251988
Glenrock319771968
Clark320251990

Eastern Kingbird Population Trend in Other States

alabamaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.