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

Hairy Woodpecker Population Trend in Pennsylvania

All statesForest birds

Hairy Woodpecker in Pennsylvania has surged: up 79% on the route-weighted index since 1968.

+79%Since 1968
134Routes In State
58Years

Notable Hairy Woodpecker Trends in Pennsylvania

long arc increasecomputed index

Hairy Woodpecker has surged in Pennsylvania: up 79% on the route-weighted index since 1968.

Hairy Woodpecker Population Forecast in Pennsylvania

If the recent trend holds, Hairy Woodpecker in Pennsylvania is projected to rise about 11% by 2029 — from 0.78 in 2024 to a central estimate of 0.86 (95% range 0.63–1.1). A 5-year backtest shows a typical error of ±9.4%, with 100% of held-out values landing inside the 95% band.

+11%Change by 2029
0.86Projected 2029 index
0.63–1.195% range
±9.4%Backtest error
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 index95% low95% high
20250.830.601.1
20260.840.611.1
20270.840.621.1
20280.850.631.1
20290.860.631.1

Hairy Woodpecker Survey Routes in Pennsylvania

Routes recording Hairy Woodpecker in Pennsylvania.
Poyntelle720181969
N Pine Grove620241982
Eldred520221973
Bald Eagle520211971
Ryde520051968
Arnot420241998
Warrens Mill420241971
Landisburg420231978
Espyville320241971
Harmonsburg320221976
Russell City320241969
Rasselas320221970
Rush320171970
Ralston319731966
Hop Bottom320181968
Martinsburg320231990
Munson320241979
Peru Mills320231966
Naginey320211970
Collegeville320231981
Sproul Sf-A320242003
Slippery Rk219781978
Clover220171989
Ferris Crnrs220241986
Teepleville220241966

Hairy Woodpecker Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonrhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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