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

Yellow Warbler Population Trend in Indiana

All statesForest birds

Yellow Warbler in Indiana has surged: up 96% on the route-weighted index since 1968.

+96%Since 1968
68Routes In State
58Years

Notable Yellow Warbler Trends in Indiana

long arc increasecomputed index

Yellow Warbler has surged in Indiana: up 96% on the route-weighted index since 1968.

Yellow Warbler Population Forecast in Indiana

If the recent trend holds, Yellow Warbler in Indiana is projected to rise about 72% by 2029 — from 2.4 in 2024 to a central estimate of 4.1 (95% range 2.6–5.6). A 5-year backtest shows a typical error of ±51.1%, with 60% of held-out values landing inside the 95% band.

+72%Change by 2029
4.1Projected 2029 index
2.6–5.695% range
±51.1%Backtest error
19662029
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
20253.92.45.4
20263.92.45.4
20274.02.55.5
20284.02.55.5
20294.12.65.6

Yellow Warbler Survey Routes in Indiana

Routes recording Yellow Warbler in Indiana.
Packertown1620041967
Indiana Dune1620241993
Packertown 21520242005
Middlebury1320241989
Wallace1320241999
Lakeville720241993
Ellis620241966
Middletown620241967
Wabash620241981
Friendswood520241986
Sexton520171981
Indian Spgs520241982
Clear Spring520231981
New Brunswick420242024
Gary319981980
Columbia Cty320241981
Thorntown320241983
Plainfield319991999
Witts Station320242000
Portage 2320232006
Hebron220211967
South Bend219911968
Muncie219971981
Jamestown220241986
Azalia220021982

Yellow Warbler Population Trend in Other States

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

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