BirdAnalyst
Species · Kentucky · BBS 2025 Release · 1966–2024

Wood Thrush Population Trend in Kentucky

All statesForest birds

Wood Thrush in Kentucky has held roughly steady: down 1% on the route-weighted index since 1968.

-1%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
64Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Wood Thrush Trends in KentuckyNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Wood Thrush in Kentucky. See the full index history below.

Wood Thrush Population Forecast in Kentucky

If the recent trend holds, Wood Thrush in Kentucky is projected to stay roughly flat through 2029, near 7.3 (95% range 3.7–11). A 5-year backtest shows a typical error of ±14.8%, with 100% of held-out values landing inside the 95% band.

+9%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
7.3Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
3.7–1195% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±14.8%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Wood Thrush in Kentucky is projected to stay roughly flat through 2029, near 7.3 (95% range 3.7–11). A 5-year backtest shows a typical error of ±14.8%, with 100% of held-out values landing inside the 95% band.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 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20257.43.811
20267.43.711
20277.43.711
20287.33.711
20297.33.711

Wood Thrush Survey Routes in Kentucky

Routes recording Wood Thrush in Kentucky.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Staffordsvil4219971996
Paintsville3419951979
Kehoe 23020242005
Mammoth Cave2920141995
Phelps2819971979
Pine Ridge2719781966
Pippa Passes2619971988
Gesling2619731967
Carter2620241976
Brownsville2520242022
Mammoth Cave North2320132009
Kehoe1919921966
Cumberlnd Gp1720181966
Joy1420231966
Bardwell1220031967
Beattyville 21220242006
Boxville1019831966
Hodgenville 21020232008
Hegira920241988
Beattyville920011966
Apex920242005
Campton920211979
Riverqueen820242007
Mckee820241967
Kings Mtn820231966

Wood Thrush Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaslouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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