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Species · Kansas · BBS 2026 Release · 1966–2025

Red-bellied Woodpecker Population Trend in Kansas

All statesForest birds

Red-bellied Woodpecker in Kansas has surged: up 359% on the route-weighted index since 1969.

+359%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 →
57Routes 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 →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Red-bellied Woodpecker Trends in KansasNotable 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 →

Red-bellied Woodpecker has surged in Kansas: up 359% on the route-weighted index since 1969.

Red-bellied Woodpecker Population Forecast in Kansas

If the recent trend holds, Red-bellied Woodpecker in Kansas is projected to stay roughly flat through 2030, near 10 (95% range 8.1–12). A 5-year backtest shows a typical error of ±18.9%, with 60% of held-out values landing inside the 95% band.

+1%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 →
10Projected 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 →
8.1–1295% 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 →
±18.9%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, Red-bellied Woodpecker in Kansas is projected to stay roughly flat through 2030, near 10 (95% range 8.1–12). A 5-year backtest shows a typical error of ±18.9%, with 60% of held-out values landing inside the 95% band.19672030
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 →
20269.67.512
20279.77.612
20289.87.812
202910.07.912
2030108.112

Red-bellied Woodpecker Survey Routes in Kansas

Routes recording Red-bellied Woodpecker in Kansas.
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 →
Barclay2920251967
Seneca2920221967
Grantville2820221967
Wreford2420241967
Galesburg2220251967
Trading Post2220252000
Dover2020221967
Kanopolis1820251969
Reece1820252000
Severance1820252000
Wellington1620251968
Hanover1620251969
Humboldt1520221969
Ellinor1520251969
Covert1520251970
Dalton1320251968
Lincolnville1320242002
Rock Creek 21320252022
Le Loup1220212000
Morehead1120252000
Olsburg1120252000
Olathe1020211967
Melrose920231967
Rock Creek920211968
Bucyrus920252022

Red-bellied Woodpecker Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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