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Species · Kentucky · BBS 2025 Release · 1966–2024

Black-throated Green Warbler Population Trend in Kentucky

All statesForest birds

Black-throated Green Warbler in Kentucky has surged: up 90% on the route-weighted index since 1980.

+90%Since 1980
6Routes In State
35Years

Notable Black-throated Green Warbler Trends in Kentucky

long arc increasecomputed index

Black-throated Green Warbler has surged in Kentucky: up 89% on the route-weighted index since 1980.

Black-throated Green Warbler Population Forecast in Kentucky

If the recent trend holds, Black-throated Green Warbler in Kentucky is projected to rise about 229% by 2028 — from 0.10 in 2023 to a central estimate of 0.34 (95% range 0.05–0.63). A 5-year backtest shows a typical error of ±198%, with 20% of held-out values landing inside the 95% band.

+229%Change by 2028
0.34Projected 2028 index
0.05–0.6395% range
±198%Backtest error
19732028
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
20240.330.030.62
20250.330.040.62
20260.330.040.63
20270.340.040.63
20280.340.050.63

Black-throated Green Warbler Survey Routes in Kentucky

Routes recording Black-throated Green Warbler in Kentucky.
Cumberlnd Gp1720181973
Beattyville 2320232006
Pippa Passes219971994
Monticello120221993
Phelps119971979
Campton119821982

Black-throated Green Warbler Population Trend in Other States

alabamaarkansasconnecticutgeorgiaindianamainemarylandmassachusettsmichiganminnesotamissourinew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseevermontvirginiawest-virginiawisconsin

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