BirdAnalyst
Species · New Hampshire · BBS 2025 Release · 1966–2024

Hairy Woodpecker Population Trend in New Hampshire

All statesForest birds

Hairy Woodpecker in New Hampshire has surged: up 134% on the route-weighted index since 1968.

+134%Since 1968
26Routes In State
58Years

Notable Hairy Woodpecker Trends in New Hampshire

long arc increasecomputed index

Hairy Woodpecker has surged in New Hampshire: up 134% on the route-weighted index since 1968.

Hairy Woodpecker Population Forecast in New Hampshire

If the recent trend holds, Hairy Woodpecker in New Hampshire is projected to stay roughly flat through 2029, near 2.7 (95% range 2.0–3.3). A 5-year backtest shows a typical error of ±14.3%, with 80% of held-out values landing inside the 95% band.

+2%Change by 2029
2.7Projected 2029 index
2.0–3.395% range
±14.3%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
20252.62.03.2
20262.62.03.2
20272.62.03.3
20282.72.03.3
20292.72.03.3

Hairy Woodpecker Survey Routes in New Hampshire

Routes recording Hairy Woodpecker in New Hampshire.
Concord620241967
Walpole620241968
Canterbury520241966
Dixvil Notch520161966
Fitzwilliam420241968
Dover420221966
Strafford420241966
Marlow420241966
Franconia420241966
Clarksville420241971
East Kingston420242002
Jeffers Ntch420191995
Gilmantn I W320241969
Mt Chocorua320241969
Glen320241975
Dixville Notch 2320242018
Peterborough220241967
Hopkinton220221966
Jefferson Hl220231966
Stratford220221966
Brentwood119941966
Epsom120231966
Wilmot120241969
Lempster120241967
Crawford Not119751968

Hairy Woodpecker Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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