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

Eastern Wood-Pewee Population Trend in Kansas

All statesAerial insectivores

Eastern Wood-Pewee in Kansas has surged: up 188% on the route-weighted index since 1969.

+188%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 →
50Routes 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 Eastern Wood-Pewee 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 →

Eastern Wood-Pewee has surged in Kansas: up 188% on the route-weighted index since 1969.

Eastern Wood-Pewee Population Forecast in Kansas

If the recent trend holds, Eastern Wood-Pewee in Kansas is projected to stay roughly flat through 2029, near 2.4 (95% range 1.6–3.2). A 5-year backtest shows a typical error of ±32.6%, with 20% of held-out values landing inside the 95% band.

-9%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 →
2.4Projected 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 →
1.6–3.295% 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 →
±32.6%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, Eastern Wood-Pewee in Kansas is projected to stay roughly flat through 2029, near 2.4 (95% range 1.6–3.2). A 5-year backtest shows a typical error of ±32.6%, with 20% 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 →
20252.31.53.1
20262.31.53.1
20272.41.53.2
20282.41.63.2
20292.41.63.2

Eastern Wood-Pewee Survey Routes in Kansas

Routes recording Eastern Wood-Pewee 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 →
Olsburg1120242000
Melrose920231967
Grantville920221967
Pittsburg920212000
Bucyrus820242022
Trading Post820242000
Le Loup820212000
Rock Creek 2820242022
Dover720221967
Seneca720221976
Ellinor620241967
Albert619901984
Hanover620231969
Reece620242000
Humboldt420221968
Buckeye420231968
Lincolnville420242002
Wellington320241974
Olathe320211967
Kanopolis320241967
Rock Creek320211968
Minneapolis320191978
Beloit 2320152011
Thrall219701967
Wreford220241967

Eastern Wood-Pewee Population Trend in Other States

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

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