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

Eastern Kingbird Population Trend in Utah

All statesAerial insectivores

Eastern Kingbird in Utah has held roughly steady: up 1% on the route-weighted index since 1992.

+1%Since 1992TrendPercent 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 →
21Routes 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 →
34YearsYears 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 UtahNotable 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 Utah. See the full index history below.

Eastern Kingbird Population Forecast in Utah

If the recent trend holds, Eastern Kingbird in Utah is projected to stay roughly flat through 2029, near 0.11 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±98%, with 100% of held-out values landing inside the 95% band.

+7%Change by 2029TrendPercent 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 →
0.11Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.2395% 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 →
±98%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 Utah is projected to stay roughly flat through 2029, near 0.11 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±98%, with 100% of held-out values landing inside the 95% band.19852029
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 →
20250.110.000.23
20260.110.000.23
20270.110.000.23
20280.110.000.23
20290.110.000.23

Eastern Kingbird Survey Routes in Utah

Routes recording Eastern Kingbird in Utah.
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 →
Randolph420241992
Promontory320232005
Book Ridge320062003
Canyon Rims320162002
Monticello220052005
Timpie Spg119951994
Neponset Res120032003
Saleratus Cr120022002
Oak City119851985
Goshen119861986
Dragerton119961996
Woodruff120162013
Lynn120072000
Grouse Creek119991999
Bear River120232003
Snowville120162016
Hanna120242024
Vernal120172017
Jensen120241992
Notom120012001
Cane Spr Des119931993

Eastern Kingbird Population Trend in Other States

alabamaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawashingtonwest-virginiawisconsinwyoming

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