BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Pileated Woodpecker In Great Basin

All regionsGreat BasinForest birds

Pileated Woodpecker in Great Basin has increased: up 30% on the route-weighted index since 1970.

+30%Since 1970TrendPercent 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 →
51Routes 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 →

No notable trend signals for Pileated Woodpecker in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Pileated Woodpecker in Great Basin is projected to fall about 24% by 2029 — from 0.24 in 2024 to a central estimate of 0.18 (95% range 0.08–0.29). A 5-year backtest shows a typical error of ±32.4%, with 100% of held-out values landing inside the 95% band.

-24%Change by 2029TrendPercent 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 →
0.18Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.08–0.2995% 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 →
±32.4%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 Great Basin is projected to fall about 24% by 2029 — from 0.24 in 2024 to a central estimate of 0.18 (95% range 0.08–0.29). A 5-year backtest shows a typical error of ±32.4%, with 100% of held-out values landing inside the 95% band.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 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 →
20250.180.080.28
20260.180.080.28
20270.180.080.28
20280.180.080.28
20290.180.080.29

Routes In Great Basin

Routes recording Pileated Woodpecker in Great Basin.
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 →
Camp ShermanOREGON41994
RimrockWASHINGTON42024
SnowdenWASHINGTON42024
BartleCALIFORNIA32021
Medicine Mtn.CALIFORNIA32012
Wizard FallsOREGON32024
LakeviewOREGON32024
GlacierWASHINGTON32024
HackamoreCALIFORNIA22010
Barnes ValOREGON21985
Badger CreekOREGON22024
SistersOREGON22009
WinthropWASHINGTON22022
RonaldWASHINGTON22024
LeavenworthWASHINGTON22024
No CascadesWASHINGTON22013
E. Mt. AdamsWASHINGTON22024
MacdoelCALIFORNIA12017
Clear Lk ResCALIFORNIA11999
TionestaCALIFORNIA12021
LeadoreIDAHO11979
Dell SpringOREGON11999
Modoc PointOREGON12011
PaisleyOREGON12017
Mt HoodOREGON12023

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