Species · Indiana · BBS 2025 Release · 1966–2024

Blue-winged Warbler Population Trend in Indiana

Blue-winged Warbler in Indiana has edged down: down 18% on the route-weighted index since 1968.

-18%Since 1968
20Routes In State
57Years

Notable Blue-winged Warbler Trends in Indiana

No notable trend signals for Blue-winged Warbler in Indiana. See the full index history below.

Blue-winged Warbler Population Forecast in Indiana

If the recent trend holds, Blue-winged Warbler in Indiana is projected to stay roughly flat through 2029, near 0.14 (95% range 0.00–0.32). A 5-year backtest shows a typical error of ±238.7%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.14Projected 2029 index
0.000.3295% range
±238.7%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
20250.140.000.33
20260.140.000.33
20270.140.000.33
20280.140.000.33
20290.140.000.32

Blue-winged Warbler Survey Routes in Indiana

Routes recording Blue-winged Warbler in Indiana.
Georgia320212001
New Phila220231982
Hoosier120191990
Indiana Dune120011994
Middlebury120002000
Packertown119931967
Ellis120061971
Swayzee120012000
Belmont120221983
Azalia119871982
Brookville120232005
Cumback119841975
Indian Spgs120171983
Clear Spring120241983
Corydon120231966
Vevay120211970
Scottsburg120062006
Cross Plains120232000
Lakeville120241999
Packertown 2120132006

Blue-winged Warbler Population Trend in Other States

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