BirdAnalyst
Species · BCR 19 · BBS 2025 Release · 1966–2024

Eastern Wood-Pewee In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieAerial insectivores

Eastern Wood-Pewee in Central Mixed Grass Prairie has surged: up 121% on the route-weighted index since 1969.

+121%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 →
66Routes In RegionSurvey 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 SignalsNotable 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 Central Mixed Grass Prairie: up 121% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Eastern Wood-Pewee in Central Mixed Grass Prairie is projected to rise about 62% by 2029 — from 0.28 in 2024 to a central estimate of 0.46 (95% range 0.27–0.65). A 5-year backtest shows a typical error of ±22.4%, with 100% of held-out values landing inside the 95% band.

+62%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 →
0.46Projected 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 →
0.27–0.6595% 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 →
±22.4%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, Eastern Wood-Pewee in Central Mixed Grass Prairie is projected to rise about 62% by 2029 — from 0.28 in 2024 to a central estimate of 0.46 (95% range 0.27–0.65). A 5-year backtest shows a typical error of ±22.4%, 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 →
20250.430.240.62
20260.440.250.63
20270.450.250.64
20280.450.260.64
20290.460.270.65

Routes In Central Mixed Grass Prairie

Routes recording Eastern Wood-Pewee in Central Mixed Grass Prairie.
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 →
AlbertKANSAS61990
HanoverKANSAS62023
BuckeyeKANSAS42023
WellingtonKANSAS32024
KanopolisKANSAS32024
MinneapolisKANSAS32019
Beloit 2KANSAS32015
SicklesOKLAHOMA32021
JetOKLAHOMA32024
CovertKANSAS22021
LibertyNEBRASKA22001
BelvidereNEBRASKA22022
Liberty 2NEBRASKA22006
Liberty 3NEBRASKA22024
HendleyNEBRASKA22021
VerdenOKLAHOMA22009
Shields 2TEXAS22004
DaltonKANSAS12024
St JohnKANSAS12017
CoatsKANSAS12022
ColdwaterKANSAS11974
AshlandKANSAS11974
ChapmanKANSAS11981
HollenbergKANSAS12023
JewellKANSAS12001

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