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

Common Yellowthroat Population Trend in California

All statesForest birds

Common Yellowthroat in California has surged: up 922% on the route-weighted index since 1970.

+922%Since 1970
123Routes In State
56Years

Notable Common Yellowthroat Trends in California

long arc increasecomputed index

Common Yellowthroat has surged in California: up 922% on the route-weighted index since 1970.

Common Yellowthroat Population Forecast in California

If the recent trend holds, Common Yellowthroat in California is projected to fall about 26% by 2029 — from 1.2 in 2024 to a central estimate of 0.89 (95% range 0.33–1.5). A 5-year backtest shows a typical error of ±28.8%, with 100% of held-out values landing inside the 95% band.

-26%Change by 2029
0.89Projected 2029 index
0.33–1.595% range
±28.8%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
20250.860.291.4
20260.860.301.4
20270.880.311.4
20280.880.321.4
20290.890.331.5

Common Yellowthroat Survey Routes in California

Routes recording Common Yellowthroat in California.
Jofegan 22720242024
Ora Loma1720241995
Alamo River1520181973
Cp. Pendleton1520041972
Imperial Dam1220101973
Dorris1020191975
Palo Verde920241973
Staten Is.920241994
Navarro719921991
Poway719801974
South Lake720062006
Moreno620241985
Niland620241973
Jofegan620232006
Harbor Lake 2620242014
Foster Park519941972
San Ysidro520191973
Point Reyes520231970
Athlone519791975
Glamis419771974
Blythe419791973
Fairfax320241985
El Toro319991980
Cuyamaca Pk320242017
Elizabeth Lk320161981

Common Yellowthroat Population Trend in Other States

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

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