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Species · Kansas · BBS 2025 Release · 1966–2024

Red-bellied Woodpecker Population Trend in Kansas

All statesForest birds

Red-bellied Woodpecker in Kansas has surged: up 354% on the route-weighted index since 1969.

+354%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 →
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 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 354% 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 2029, near 9.9 (95% range 7.8–12). A 5-year backtest shows a typical error of ±18.4%, with 60% of held-out values landing inside the 95% band.

-6%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 →
9.9Projected 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 →
7.8–1295% 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 →
±18.4%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, Red-bellied Woodpecker in Kansas is projected to stay roughly flat through 2029, near 9.9 (95% range 7.8–12). A 5-year backtest shows a typical error of ±18.4%, with 60% 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 →
20259.47.311
20269.57.412
20279.67.612
20289.87.712
20299.97.812

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 →
Seneca2920221967
Grantville2820221967
Wellington2420241968
Wreford2420241967
Bucyrus2420242022
Olsburg2420242000
Dover2020221967
Trading Post2020242000
Dalton1820241968
Reece1620242000
Humboldt1520221969
Barclay1520241967
Kanopolis1520241969
Galesburg1420241967
Ellinor1420241969
Morehead1420242000
Covert1320241970
Lincolnville1320242002
Le Loup1220212000
Severance1220242000
Olathe1020211967
Melrose920231967
Rock Creek920211968
Hanover920231969
Buckeye820231967

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 2026-05-22.