Species · Colorado · BBS 2025 Release · 1966–2024

Hairy Woodpecker Population Trend in Colorado

Hairy Woodpecker in Colorado has surged: up 251% on the route-weighted index since 1971.

+251%Since 1971
91Routes In State
54Years

Notable Hairy Woodpecker Trends in Colorado

long arc increasecomputed index

Hairy Woodpecker has surged in Colorado: up 251% on the route-weighted index since 1971.

Hairy Woodpecker Population Forecast in Colorado

If the recent trend holds, Hairy Woodpecker in Colorado is projected to stay roughly flat through 2029, near 0.60 (95% range 0.40–0.81). A 5-year backtest shows a typical error of ±21.9%, with 100% of held-out values landing inside the 95% band.

-4%Change by 2029
0.60Projected 2029 index
0.400.8195% range
±21.9%Backtest error
19692029
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
20250.570.360.77
20260.580.370.78
20270.590.380.79
20280.590.390.80
20290.600.400.81

Hairy Woodpecker Survey Routes in Colorado

Routes recording Hairy Woodpecker in Colorado.
Blackhead Pk820211991
Elbert820241998
Comanche Pk720241995
Gold Hill720121998
Deadman Rd.520241996
Pinon420241992
Parlin320231979
Dunckley Pas320231992
Wet Mtns.320232017
Cokedale320241995
Lake City 2320242017
Baxter Pass320242024
Marshall Pas320191995
Gold Hill 2320242018
Yampa220211982
Buford220231983
Delta220211978
Dolores219761976
Pagosa Spgs219741970
Villegreen220042004
Buffalo Park220231992
Thomasville220181997
Steamboat L.220121998
Basin220242007
Rollins Pass220222008

Hairy Woodpecker Population Trend in Other States

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