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Species · Wyoming · BBS 2025 Release · 1966–2024

American Three-toed Woodpecker Population Trend in Wyoming

All statesForest birds

American Three-toed Woodpecker in Wyoming has increased: up 45% on the route-weighted index since 1992.

+45%Since 1992TrendPercent 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 →
14Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
30YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable American Three-toed Woodpecker Trends in WyomingNotable 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 Wyoming. See the full index history below.

American Three-toed Woodpecker Population Forecast in Wyoming

If the recent trend holds, American Three-toed Woodpecker in Wyoming is projected to stay roughly flat through 2029, near 0.06 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±340.8%, with 40% 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 →
0.06Projected 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 →
0.00–0.1395% 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 →
±340.8%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 Wyoming is projected to stay roughly flat through 2029, near 0.06 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±340.8%, with 40% of held-out values landing inside the 95% band.19882029
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 →
20250.060.000.13
20260.060.000.13
20270.060.000.13
20280.060.000.13
20290.060.000.13

American Three-toed Woodpecker Survey Routes in Wyoming

Routes recording American Three-toed Woodpecker in Wyoming.
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 →
Fox Park520232013
Fletcher Pk220162015
Mammoth220111991
Hunter Peak120042001
Ne Entrance120071993
Yellowstone120131991
Prior Flats120242022
Buckskin Mtn120172014
Bald Mtn120242000
Crazy Woman119941994
Ryan Park120182011
Fiddler Lk120161988
Alpine120092009
Horse Creek120142007

American Three-toed Woodpecker Population Trend in Other States

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