BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

American Three-toed Woodpecker In Northern Rockies

All regionsNorthern RockiesForest birds

American Three-toed Woodpecker in Northern Rockies has held roughly steady: up 9% on the route-weighted index since 1988.

+9%Since 1988TrendPercent 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 →
43Routes 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 →
35YearsYears 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 American Three-toed Woodpecker in Northern Rockies. See the full index history below.

American Three-toed Woodpecker In Northern Rockies Population Forecast

If the recent trend holds, American Three-toed Woodpecker in Northern Rockies is projected to stay roughly flat through 2029, near 0.05 (95% range 0.00–0.09). A 5-year backtest shows a typical error of ±60.5%, with 100% of held-out values landing inside the 95% band.

n/aChange 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 →
0.05Projected 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 →
0.00–0.0995% 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 →
±60.5%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, American Three-toed Woodpecker in Northern Rockies is projected to stay roughly flat through 2029, near 0.05 (95% range 0.00–0.09). A 5-year backtest shows a typical error of ±60.5%, with 100% of held-out values landing inside the 95% band.19772029
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 →
20250.050.000.09
20260.050.000.09
20270.050.000.09
20280.050.000.09
20290.050.000.09

Routes In Northern Rockies

Routes recording American Three-toed 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 →
SulaMONTANA42014
St RegisMONTANA22005
ArleeMONTANA22017
Pagil GulchMONTANA22024
GreenoughMONTANA21999
GraniteOREGON22005
NorthportWASHINGTON22000
MammothWYOMING22011
Cape HornIDAHO12015
CoolinIDAHO12018
Baldy MountainIDAHO12016
BurgdorfIDAHO12013
CobaltIDAHO12024
Yellow PineIDAHO12016
WoodmanMONTANA12021
NinemileMONTANA12015
Fish CreekMONTANA12002
NoxonMONTANA12018
Skalkho-RyeMONTANA12022
Swan LakeMONTANA12021
Hebgen LakeMONTANA12021
Inside RoadMONTANA12023
Logan PassMONTANA12010
Threemile WaMONTANA12010
Elevation MtMONTANA12022

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