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

Yellow Warbler Population Trend in Utah

All statesForest birds

Yellow Warbler in Utah has surged: up 396% on the route-weighted index since 1970.

+396%Since 1970
90Routes In State
56Years

Notable Yellow Warbler Trends in Utah

long arc increasecomputed index

Yellow Warbler has surged in Utah: up 396% on the route-weighted index since 1970.

Yellow Warbler Population Forecast in Utah

If the recent trend holds, Yellow Warbler in Utah is projected to stay roughly flat through 2029, near 4.0 (95% range 0.00–9.5). A 5-year backtest shows a typical error of ±19.3%, with 100% of held-out values landing inside the 95% band.

-6%Change by 2029
4.0Projected 2029 index
0.00–9.595% range
±19.3%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
20253.90.009.5
20263.90.009.5
20273.90.009.5
20283.90.009.5
20294.00.009.5

Yellow Warbler Survey Routes in Utah

Routes recording Yellow Warbler in Utah.
Hardware Ranch8020231994
Hyrum7219791975
Ant Flat-Ogden Can4320231994
Woodruff4120242002
Hanna3720241997
Uintah Nf2919941987
Lost Cr. Res2720181995
Hatch2620241994
Kamas2020241997
Alton 21920242021
Jensen1720241994
Lynn1520231982
Hill Creek1519951993
Aneth1420241993
Moab1120241987
Goose Creek Mtn.1120231997
Main Canyon1020241989
Gooseberry920241994
Beck819871968
Beaver720241968
Randolph720241992
Heber Mtn.720241996
Altonah520151975
Blanding520012001
Moon Lake520031993

Yellow Warbler Population Trend in Other States

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

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