Species · Colorado · BBS 2025 Release · 1966–2024

American Three-toed Woodpecker Population Trend in Colorado

American Three-toed Woodpecker in Colorado has held roughly steady: up 8% on the route-weighted index since 1972.

+8%Since 1972
38Routes In State
33Years

Notable American Three-toed Woodpecker Trends in Colorado

No notable trend signals for American Three-toed Woodpecker in Colorado. See the full index history below.

American Three-toed Woodpecker Population Forecast in Colorado

If the recent trend holds, American Three-toed Woodpecker in Colorado is projected to rise about 21% by 2029 — from 0.15 in 2024 to a central estimate of 0.19 (95% range 0.01–0.36). A 5-year backtest shows a typical error of ±16%, with 100% of held-out values landing inside the 95% band.

+21%Change by 2029
0.19Projected 2029 index
0.010.3695% range
±16%Backtest error
19682029
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
20250.180.000.35
20260.180.010.35
20270.180.010.36
20280.180.010.36
20290.190.010.36

American Three-toed Woodpecker Survey Routes in Colorado

Routes recording American Three-toed Woodpecker in Colorado.
Mount Evans620242000
Radium320112011
Willow Peak220122006
Dolores Riv220182017
Gold Hill 2220182018
Dunckley Pas220212021
Owl Creek Pass220242003
Cochetopa Pass220152015
Moon Pass220142014
Lake City 2220242016
Cheesman Lk120061998
Parlin120112005
Pagosa Spgs119721968
Rio Grnds Rs120172010
Summitville120231992
Lost Lake120222000
Red Cliff120241989
Castleton120162016
Guffey120192019
Comanche Pk120221995
Baxter Pass120242024
Como120172017
Marshall Pas120012000
South Fork120242002
Stillwater Pass 2120162010

American Three-toed Woodpecker Population Trend in Other States

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