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

Prairie Warbler Population Trend in Indiana

All statesForest birds

Prairie Warbler in Indiana has edged down: down 14% on the route-weighted index since 1968.

-14%Since 1968
29Routes In State
58Years

Notable Prairie Warbler Trends in Indiana

No notable trend signals for Prairie Warbler in Indiana. See the full index history below.

Prairie Warbler Population Forecast in Indiana

If the recent trend holds, Prairie Warbler in Indiana is projected to stay roughly flat through 2029, near 0.63 (95% range 0.26–0.99). A 5-year backtest shows a typical error of ±13.2%, with 100% of held-out values landing inside the 95% band.

+1%Change by 2029
0.63Projected 2029 index
0.26–0.9995% range
±13.2%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
20250.630.260.99
20260.630.260.99
20270.630.260.99
20280.630.260.99
20290.630.260.99

Prairie Warbler Survey Routes in Indiana

Routes recording Prairie Warbler in Indiana.
Georgia720241999
Corydon620241966
New Phila520241982
Indian Spgs420241982
Pimento320221994
Belmont220241982
Celestine220241979
Clear Spring220231981
Vevay220241966
Cross Plains220241999
Knox119891989
Hoosier120241990
Indiana Dune120121995
Ellis119821982
Middletown119881988
Swayzee120212021
Wabash120192019
Spencer120241989
Azalia120221982
Milroy119901972
Brookville120241980
Cumback120001969
Millersburg120081997
Scottsburg120211982
Evansville120011966

Prairie Warbler Population Trend in Other States

alabamaarkansascaliforniaconnecticutdelawarefloridageorgiaillinoiskentuckylouisianamainemarylandmassachusettsmichiganmississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginiawisconsin

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