BirdAnalyst
Species · BCR 22 · BBS 2026 Release · 1966–2025

Eastern Wood-Pewee In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieAerial insectivores

Eastern Wood-Pewee in Eastern Tallgrass Prairie has surged: up 167% on the route-weighted index since 1968.

+167%Since 1968TrendPercent 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 →
277Routes 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 →
59YearsYears 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 Eastern Tallgrass Prairie: up 167% on the route-weighted index since 1968.

Eastern Wood-Pewee In Eastern Tallgrass Prairie Population Forecast

If the recent trend holds, Eastern Wood-Pewee in Eastern Tallgrass Prairie is projected to fall about 18% by 2030 — from 6.0 in 2025 to a central estimate of 4.9 (95% range 3.9–5.8). A 5-year backtest shows a typical error of ±26.2%, with 0% of held-out values landing inside the 95% band.

-18%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 →
4.9Projected 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 →
3.9–5.895% 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 →
±26.2%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, Eastern Wood-Pewee in Eastern Tallgrass Prairie is projected to fall about 18% by 2030 — from 6.0 in 2025 to a central estimate of 4.9 (95% range 3.9–5.8). A 5-year backtest shows a typical error of ±26.2%, with 0% of held-out values landing inside the 95% band.19662030
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 →
20264.73.75.6
20274.73.85.7
20284.83.85.7
20294.83.95.8
20304.93.95.8

Routes In Eastern Tallgrass Prairie

Routes recording Eastern Wood-Pewee in Eastern Tallgrass 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 →
BelleviewILLINOIS372025
EldredILLINOIS312025
RockinghamMISSOURI302025
GeraldMISSOURI252025
HuntsvilleMISSOURI212025
FrankfordMISSOURI212025
MoselleMISSOURI212025
KearneyMISSOURI202025
UnionMISSOURI201999
DanvilleMISSOURI192025
WallaceINDIANA182024
FrazierMISSOURI182024
New HamptonMISSOURI182025
River FallsWISCONSIN182025
AthensvilleILLINOIS172025
SticklervillMISSOURI172025
New PointMISSOURI172025
Trading PostKANSAS162025
ConcordILLINOIS152025
BradburyILLINOIS152025
Kahoka2MISSOURI152024
LucerneMISSOURI152025
House SpringsMISSOURI152025
ClaytonILLINOIS142025
EubanksILLINOIS142025

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