BirdAnalyst
Species · Oklahoma · BBS 2025 Release · 1966–2024

Downy Woodpecker Population Trend in Oklahoma

All statesForest birds

Downy Woodpecker in Oklahoma has increased: up 39% on the route-weighted index since 1969.

+39%Since 1969TrendPercent 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 →
67Routes 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 →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Downy Woodpecker Trends in OklahomaNotable 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 Downy Woodpecker in Oklahoma. See the full index history below.

Downy Woodpecker Population Forecast in Oklahoma

If the recent trend holds, Downy Woodpecker in Oklahoma is projected to stay roughly flat through 2029, near 2.3 (95% range 1.2–3.4). A 5-year backtest shows a typical error of ±42.2%, with 100% of held-out values landing inside the 95% band.

+2%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 →
2.3Projected 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 →
1.2–3.495% 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 →
±42.2%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, Downy Woodpecker in Oklahoma is projected to stay roughly flat through 2029, near 2.3 (95% range 1.2–3.4). A 5-year backtest shows a typical error of ±42.2%, with 100% of held-out values landing inside the 95% band.19672029
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 →
20252.31.23.3
20262.31.23.4
20272.31.23.4
20282.31.23.4
20292.31.23.4

Downy Woodpecker Survey Routes in Oklahoma

Routes recording Downy Woodpecker in Oklahoma.
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 →
Heyburn1020241992
Verden820171967
Mill Creek720171968
Noble720241967
Matoy720001992
Phillips620081968
Indianola620241968
Ouachita Nf520241992
Tatums520241992
Cooperton520231992
Cashion520241992
Big Cedar420241967
Baron420231968
Beggs420231967
Pocola420161992
Duncan420241988
Holdenville320241967
Colony319951995
Bethel320241993
Arapaho320131992
Colcord320221992
Keetonville320221993
Hunter320241992
Skiatook320191982
Blanco220161968

Downy Woodpecker Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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