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

Worm-eating Warbler In Eastern Tallgrass Prairie

Worm-eating Warbler in Eastern Tallgrass Prairie has held roughly steady: down 1% on the route-weighted index since 1982.

-1%Since 1982
18Routes In Region
23Years

Notable Signals

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

Forecast

If the recent trend holds, Worm-eating Warbler in Eastern Tallgrass Prairie is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.02). A 5-year backtest shows a typical error of ±54%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2029
0.01Projected 2029 index
0.000.0295% range
±54%Backtest error
19762029
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
20250.010.000.02
20260.010.000.02
20270.010.000.02
20280.010.000.02
20290.010.000.02

Routes In Eastern Tallgrass Prairie

Routes recording Worm-eating Warbler in Eastern Tallgrass Prairie.
EmdenMISSOURI22019
House SpringsMISSOURI22024
NilwoodILLINOIS12014
PaysonILLINOIS12016
EubanksILLINOIS12010
MarshallILLINOIS12016
AthensILLINOIS12022
KokomoINDIANA12019
Mt HamillIOWA11979
DanvilleMISSOURI12009
OhioMISSOURI12006
HuntsvilleMISSOURI12019
KahokaMISSOURI11986
MillwoodMISSOURI12006
FrankfordMISSOURI12023
GeraldMISSOURI12021
MoselleMISSOURI12016
PeoriaOKLAHOMA11976

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