BirdAnalyst
Species · BCR 22 · BBS 2025 Release · 1966–2024

Blue-winged Warbler In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieForest birds

Blue-winged Warbler in Eastern Tallgrass Prairie has edged down: down 24% on the route-weighted index since 1968.

-24%Since 1968
46Routes In Region
56Years

Notable Signals

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

Forecast

If the recent trend holds, Blue-winged Warbler in Eastern Tallgrass Prairie is projected to stay roughly flat through 2029, near 0.02 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±31.6%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.02Projected 2029 index
0.00–0.0595% range
±31.6%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
20250.020.000.05
20260.020.000.05
20270.020.000.05
20280.020.000.05
20290.020.000.05

Routes In Eastern Tallgrass Prairie

Routes recording Blue-winged Warbler in Eastern Tallgrass Prairie.
SticklervillMISSOURI41972
New LenoxILLINOIS32007
ConcordILLINOIS21997
FrontenacMINNESOTA22019
HuntsvilleMISSOURI22021
TrentonMISSOURI21972
MillwoodMISSOURI22014
MoselleMISSOURI22024
MarionOHIO21972
PutnamILLINOIS11979
SheffieldILLINOIS11996
NewarkILLINOIS11983
BartonvilleILLINOIS12022
DaileyILLINOIS11985
BradburyILLINOIS12018
ColumbiaILLINOIS11972
FloraILLINOIS11995
YaleILLINOIS12002
Grape CreekILLINOIS12012
MarshallILLINOIS12018
SwayzeeINDIANA12001
BrookvilleINDIANA12023
Mt HamillIOWA12013
Red RockIOWA11969
FilleyMISSOURI12007

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