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Species · Kansas · BBS 2025 Release · 1966–2024

Hairy Woodpecker Population Trend in Kansas

All statesForest birds

Hairy Woodpecker in Kansas has increased: up 48% on the route-weighted index since 1969.

+48%Since 1969TrendPercent 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 →
51Routes 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 →
57YearsYears 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 KansasNotable 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 Kansas. See the full index history below.

Hairy Woodpecker Population Forecast in Kansas

If the recent trend holds, Hairy Woodpecker in Kansas is projected to fall about 15% by 2029 — from 0.35 in 2024 to a central estimate of 0.29 (95% range 0.08–0.50). A 5-year backtest shows a typical error of ±26.3%, with 100% of held-out values landing inside the 95% band.

-15%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 →
0.29Projected 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 →
0.08–0.5095% 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 →
±26.3%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 Kansas is projected to fall about 15% by 2029 — from 0.35 in 2024 to a central estimate of 0.29 (95% range 0.08–0.50). A 5-year backtest shows a typical error of ±26.3%, with 100% of held-out values landing inside the 95% band.19672029
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 →
20250.290.080.50
20260.290.080.50
20270.290.080.50
20280.290.080.50
20290.290.080.50

Hairy Woodpecker Survey Routes in Kansas

Routes recording Hairy Woodpecker in Kansas.
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 →
Olathe320181967
Bucyrus320232022
Morehead320232004
Hopewell320032003
Wellington220241982
St John220031976
Phillipsburg220001969
Logan219881977
Beloit 2220182009
Reece220222007
Berwet220242000
Trading Post220242005
Goessel220152015
Melrose119911975
Galesburg120191976
Humboldt120221968
Lapland119921992
Jewell 2120172017
Dalton120241968
Coats120191972
Coldwater120051972
Ashland120071976
Dover120221971
Barclay120131968
Wreford120211970

Hairy Woodpecker Population Trend in Other States

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

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