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Species · BCR 10 · BBS 2026 Release · 1966–2025

White-headed Woodpecker In Northern Rockies

All regionsNorthern RockiesForest birds

White-headed Woodpecker in Northern Rockies has held roughly steady: down 1% on the route-weighted index since 1974.

-1%Since 1974TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
28Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
43YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for White-headed Woodpecker in Northern Rockies. See the full index history below.

White-headed Woodpecker In Northern Rockies Population Forecast

If the recent trend holds, White-headed Woodpecker in Northern Rockies is projected to stay roughly flat through 2030, near 0.06 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±128.3%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.06Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.1395% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±128.3%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, White-headed Woodpecker in Northern Rockies is projected to stay roughly flat through 2030, near 0.06 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±128.3%, with 100% of held-out values landing inside the 95% band.19712030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20260.060.000.13
20270.060.000.13
20280.060.000.13
20290.060.000.13
20300.060.000.13

Routes In Northern Rockies

Routes recording White-headed Woodpecker in Northern Rockies.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
WallowaOREGON32025
AlbeeOREGON21976
OchocoOREGON21975
UnityOREGON22024
NewbridgeOREGON22013
DonnellyOREGON22005
SilviesOREGON22024
KellerWASHINGTON22006
Omak CreekWASHINGTON22024
L Pend O NwrWASHINGTON22018
CentervilleIDAHO12007
Salmon RiverIDAHO12018
FloraOREGON12004
LogdellOREGON12019
WickiupOREGON12003
Eagle RockOREGON11974
Mount VernonOREGON12022
Silver CreekOREGON12024
Hash RockOREGON12024
Summit PrOREGON12025
TroyOREGON12024
Hells CanyonOREGON11996
OchocoOREGON12025
BarnhouseOREGON12022
MonumentOREGON12025

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.