Species · Pennsylvania · BBS 2025 Release · 1966–2024

Downy Woodpecker Population Trend in Pennsylvania

Downy Woodpecker in Pennsylvania has surged: up 76% on the route-weighted index since 1968.

+76%Since 1968
138Routes In State
58Years

Notable Downy Woodpecker Trends in Pennsylvania

long arc increasecomputed index

Downy Woodpecker has surged in Pennsylvania: up 76% on the route-weighted index since 1968.

Downy Woodpecker Population Forecast in Pennsylvania

If the recent trend holds, Downy Woodpecker in Pennsylvania is projected to stay roughly flat through 2029, near 3.1 (95% range 2.2–3.9). A 5-year backtest shows a typical error of ±10.6%, with 100% of held-out values landing inside the 95% band.

-4%Change by 2029
3.1Projected 2029 index
2.23.995% range
±10.6%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
20253.02.13.8
20263.02.23.9
20273.02.23.9
20283.02.23.9
20293.12.23.9

Downy Woodpecker Survey Routes in Pennsylvania

Routes recording Downy Woodpecker in Pennsylvania.
Schaefferstown 22020242002
Drehersville 21420242000
Doe Run1320241969
Ryde1120051968
Stoneybreak920241992
Chatham920241997
Eldred820221973
Duvall820211974
Betula720221976
Greentown720241969
Canadensis720241969
Beaver720241969
Waterstreet720241976
Pine Gr Mill720241968
Wild Creek720241988
Lynch620221968
Waller620241974
Munson620241979
Mifflintown620241966
Drehersville619991967
Laurel Hill620241978
Mt Gretna 2620222001
Hop Bottom520241967
Martinsburg520241972
Geeseytown520241987

Downy Woodpecker Population Trend in Other States

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