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

Pileated Woodpecker In Northern Rockies

All regionsNorthern RockiesForest birds

Pileated Woodpecker in Northern Rockies has surged: up 352% on the route-weighted index since 1971.

+352%Since 1971TrendPercent 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 →
94Routes 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 →
56YearsYears 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 →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Pileated Woodpecker has surged in Northern Rockies: up 352% on the route-weighted index since 1971.

Pileated Woodpecker In Northern Rockies Population Forecast

If the recent trend holds, Pileated Woodpecker in Northern Rockies is projected to rise about 21% by 2030 — from 0.43 in 2025 to a central estimate of 0.52 (95% range 0.29–0.75). A 5-year backtest shows a typical error of ±20%, with 100% of held-out values landing inside the 95% band.

+21%Change 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 →
0.52Projected 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 →
0.29–0.7595% 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 →
±20%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, Pileated Woodpecker in Northern Rockies is projected to rise about 21% by 2030 — from 0.43 in 2025 to a central estimate of 0.52 (95% range 0.29–0.75). A 5-year backtest shows a typical error of ±20%, with 100% of held-out values landing inside the 95% band.19692030
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 →
20260.500.270.73
20270.500.270.73
20280.510.280.74
20290.520.280.74
20300.520.290.75

Routes In Northern Rockies

Routes recording Pileated 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 →
ClintonMONTANA62025
Whitefish LakeMONTANA62024
Black Mtn.OREGON62004
CascadeIDAHO51984
CoolinIDAHO52025
ChewelahWASHINGTON52016
Omak CreekWASHINGTON52024
ArleeMONTANA42013
Howard Mdws.OREGON42025
DesolationOREGON42025
Sullivan Lake 2WASHINGTON42024
Lolo PassIDAHO32019
GrangevilleIDAHO32025
Baldy MountainIDAHO32016
PierceIDAHO32007
Eagle CreekOREGON32025
AveryIDAHO22025
GoldenIDAHO22016
ChallisIDAHO22025
CabartonIDAHO22023
Sawtooth CtyIDAHO22005
Marble CreekIDAHO22025
St RegisMONTANA22025
SulaMONTANA22024
NinemileMONTANA22018

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