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Species · Kansas · BBS 2025 Release · 1966–2024

Kentucky Warbler Population Trend in Kansas

All statesForest birds

Kentucky Warbler in Kansas has surged: up 311% on the route-weighted index since 1977.

+311%Since 1977
13Routes In State
38Years

Notable Kentucky Warbler Trends in Kansas

long arc increasecomputed index

Kentucky Warbler has surged in Kansas: up 311% on the route-weighted index since 1977.

Kentucky Warbler Population Forecast in Kansas

If the recent trend holds, Kentucky Warbler in Kansas is projected to fall about 45% by 2029 — from 0.19 in 2024 to a central estimate of 0.10 (95% range 0.02–0.19). A 5-year backtest shows a typical error of ±27%, with 80% of held-out values landing inside the 95% band.

-45%Change by 2029
0.10Projected 2029 index
0.02–0.1995% range
±27%Backtest error
19692029
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
20250.100.010.18
20260.100.020.18
20270.100.020.19
20280.100.020.19
20290.100.020.19

Kentucky Warbler Survey Routes in Kansas

Routes recording Kentucky Warbler in Kansas.
Trading Post220242006
Le Loup220162000
Olsburg220242000
Melrose120172017
Galesburg120122012
Bucyrus120232022
Olathe120181969
Dover120152012
Barclay119911987
Morehead120132006
Grantville120181986
Rock Creek120212003
Severance120242001

Kentucky Warbler Population Trend in Other States

alabamaarkansasdelawarefloridageorgiaillinoisindianaiowakentuckylouisianamarylandmississippimissourinew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniasouth-carolinatennesseetexasvirginiawest-virginiawisconsin

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