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

Hairy Woodpecker Population Trend in Delaware

All statesForest birds

Hairy Woodpecker in Delaware has surged: up 314% on the route-weighted index since 1968.

+314%Since 1968
16Routes In State
54Years

Notable Hairy Woodpecker Trends in Delaware

long arc increasecomputed index

Hairy Woodpecker has surged in Delaware: up 314% on the route-weighted index since 1968.

Hairy Woodpecker Population Forecast in Delaware

If the recent trend holds, Hairy Woodpecker in Delaware is projected to fall about 27% by 2029 — from 1.0 in 2024 to a central estimate of 0.73 (95% range 0.23–1.2). A 5-year backtest shows a typical error of ±49.5%, with 60% of held-out values landing inside the 95% band.

-27%Change by 2029
0.73Projected 2029 index
0.23–1.295% range
±49.5%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
20250.690.201.2
20260.700.201.2
20270.710.211.2
20280.720.221.2
20290.730.231.2

Hairy Woodpecker Survey Routes in Delaware

Routes recording Hairy Woodpecker in Delaware.
Pepperbox320161998
Pepperbox 2320242018
Harrington220241967
Mt Pleasant120141975
Wilmington120081967
Frederica120121980
Dover119751972
Frankford120061966
Holleyville120041966
Lowes Xrds119801972
Blackbird120231994
Milton120141968
Millsboro120232017
Holleyville 2120162006
Georgetown120181992
Milton 2120172017

Hairy Woodpecker Population Trend in Other States

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

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