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

Downy Woodpecker Population Trend in Delaware

All statesForest birds

Downy Woodpecker in Delaware has surged: up 169% on the route-weighted index since 1968.

+169%Since 1968
17Routes In State
58Years

Notable Downy Woodpecker Trends in Delaware

long arc increasecomputed index

Downy Woodpecker has surged in Delaware: up 169% on the route-weighted index since 1968.

Downy Woodpecker Population Forecast in Delaware

If the recent trend holds, Downy Woodpecker in Delaware is projected to fall about 24% by 2029 — from 5.6 in 2024 to a central estimate of 4.3 (95% range 2.0–6.5). A 5-year backtest shows a typical error of ±43.1%, with 20% of held-out values landing inside the 95% band.

-24%Change by 2029
4.3Projected 2029 index
2.0–6.595% range
±43.1%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
20254.11.86.3
20264.11.96.4
20274.21.96.4
20284.22.06.5
20294.32.06.5

Downy Woodpecker Survey Routes in Delaware

Routes recording Downy Woodpecker in Delaware.
Mt Pleasant1020191967
Millsboro920242017
Pepperbox920161998
Pepperbox 2920242017
Holleyville520041966
Blackbird520241994
Wilmington420141968
Milton 2420172017
Frankford320121966
Lowes Xrds319911966
Milton320161967
Holleyville 2320242007
Harrington220241966
Frederica120141966
Dover119871968
Bethany Bch119901967
Georgetown120221992

Downy 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.