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

Kentucky Warbler In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieForest birds

Kentucky Warbler in Eastern Tallgrass Prairie has surged: up 386% on the route-weighted index since 1968.

+386%Since 1968
109Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Kentucky Warbler has surged in Eastern Tallgrass Prairie: up 386% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Kentucky Warbler in Eastern Tallgrass Prairie is projected to stay roughly flat through 2029, near 0.25 (95% range 0.18–0.32). A 5-year backtest shows a typical error of ±18.6%, with 80% of held-out values landing inside the 95% band.

+9%Change by 2029
0.25Projected 2029 index
0.18–0.3295% range
±18.6%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
20250.240.170.31
20260.240.170.31
20270.240.170.32
20280.250.170.32
20290.250.180.32

Routes In Eastern Tallgrass Prairie

Routes recording Kentucky Warbler in Eastern Tallgrass Prairie.
UnionMISSOURI51999
MarshallILLINOIS42023
FilleyMISSOURI42024
HuntsvilleMISSOURI42024
GeraldMISSOURI42024
WallaceINDIANA32024
DanvilleMISSOURI32024
FrankfordMISSOURI32024
AuburnMISSOURI32021
MilfordMISSOURI32023
MoselleMISSOURI32024
Terre HauteILLINOIS21985
BelleviewILLINOIS22024
YaleILLINOIS22014
EubanksILLINOIS22018
DudleyvilleILLINOIS22022
GalvestonINDIANA22022
Trading PostKANSAS22024
Le LoupKANSAS22016
OlsburgKANSAS22024
RockinghamMISSOURI22024
SticklervillMISSOURI22017
KingsvilleMISSOURI22014
Ash RidgeOHIO21999
WilliamsfldILLINOIS12017

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