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Species · Kentucky · BBS 2025 Release · 1966–2024

Hairy Woodpecker Population Trend in Kentucky

All statesForest birds

Hairy Woodpecker in Kentucky has increased: up 30% on the route-weighted index since 1968.

+30%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 →
60Routes 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 Hairy Woodpecker 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 Hairy Woodpecker in Kentucky. See the full index history below.

Hairy Woodpecker Population Forecast in Kentucky

If the recent trend holds, Hairy Woodpecker in Kentucky is projected to rise about 108% by 2029 — from 0.36 in 2024 to a central estimate of 0.74 (95% range 0.46–1.0). A 5-year backtest shows a typical error of ±27.2%, with 80% of held-out values landing inside the 95% band.

+108%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 →
0.74Projected 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 →
0.46–1.095% 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 →
±27.2%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, Hairy Woodpecker in Kentucky is projected to rise about 108% by 2029 — from 0.36 in 2024 to a central estimate of 0.74 (95% range 0.46–1.0). A 5-year backtest shows a typical error of ±27.2%, with 80% 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 →
20250.720.441.0
20260.730.441.0
20270.730.451.0
20280.740.451.0
20290.740.461.0

Hairy Woodpecker Survey Routes in Kentucky

Routes recording Hairy Woodpecker 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 →
Cumberlnd Gp720181982
Bays Fork620191999
Gatewood320111973
Joy320231966
Pleasurevill320141993
Beattyville 2320232006
Brownsville220232022
Carter220231981
Merrimac220241970
Demunbruns220061972
Glencoe220181969
Apex220192009
Staffordsvil219971996
Levee 2220102008
Hodgenville 2220232008
Lebanon Junction220242015
Lovelacevile120051971
Shiloh120171968
Canton120231968
Keysburg120221968
Cedar Grove120111968
Iron Bridge119871967
Sulphur Lick120242000
Hegira120241988
Sunnybrook120221974

Hairy Woodpecker Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaslouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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