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

Common Yellowthroat Population Trend in Iowa

All statesForest birds

Common Yellowthroat in Iowa has declined: down 28% on the route-weighted index since 1969.

-28%Since 1969
39Routes In State
57Years

Notable Common Yellowthroat Trends in Iowa

No notable trend signals for Common Yellowthroat in Iowa. See the full index history below.

Common Yellowthroat Population Forecast in Iowa

If the recent trend holds, Common Yellowthroat in Iowa is projected to stay roughly flat through 2029, near 15 (95% range 9.5–21). A 5-year backtest shows a typical error of ±4.6%, with 100% of held-out values landing inside the 95% band.

-7%Change by 2029
15Projected 2029 index
9.5–2195% range
±4.6%Backtest error
19672029
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
2025161022
2026169.922
2027169.822
2028169.621
2029159.521

Common Yellowthroat Survey Routes in Iowa

Routes recording Common Yellowthroat in Iowa.
Bedford4820181968
Bryant4320241967
Brooklyn4320221967
Wales3720181967
Festina3320241968
Davis Corner3020241968
West Liberty2920241968
College Spgs 22520232005
Red Rock2320241968
Washta2320141967
Maquoketa2220241967
Mt Hamill2020241967
Williamsburg2020231967
Melrose1920241974
Cedar Valley1819971967
Burchinal1820241995
Zearing1619951967
Lafayette1620242003
College Spgs1520041967
Kanawha1520241967
Clare1420191967
Exline1220241974
Panther1220241967
Scranton1220241967
Alice1119991967

Common Yellowthroat Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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