Species · Idaho · BBS 2025 Release · 1966–2024

Hairy Woodpecker Population Trend in Idaho

Hairy Woodpecker in Idaho has declined: down 47% on the route-weighted index since 1973.

-47%Since 1973
46Routes In State
51Years

Notable Hairy Woodpecker Trends in Idaho

No notable trend signals for Hairy Woodpecker in Idaho. See the full index history below.

Hairy Woodpecker Population Forecast in Idaho

If the recent trend holds, Hairy Woodpecker in Idaho is projected to fall about 52% by 2029 — from 0.44 in 2024 to a central estimate of 0.21 (95% range 0.00–0.57). A 5-year backtest shows a typical error of ±49.5%, with 100% of held-out values landing inside the 95% band.

-52%Change by 2029
0.21Projected 2029 index
0.000.5795% range
±49.5%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
20250.220.000.59
20260.220.000.58
20270.220.000.58
20280.210.000.58
20290.210.000.57

Hairy Woodpecker Survey Routes in Idaho

Routes recording Hairy Woodpecker in Idaho.
Coolin520241986
Challis320241981
Avery220231979
Grangeville220231987
Cascade219841974
Squirrel220181972
Sawtooth City 2220232019
Silver City220022002
Nezperce Nf219991996
Cabarton220211986
Blackft Res119981988
Naples120241973
Mivoden120181978
Gifford119901990
Nezperce120081985
Lolo Pass120151993
Golden120061993
Baker120151986
Cape Horn120231972
Leadore119741974
N Fork Cda R120181994
Rochat Divde120231993
Centerville120091973
Alturas119861968
Craters119861986

Hairy Woodpecker Population Trend in Other States

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