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Species · Michigan · BBS 2026 Release · 1966–2025

Eastern Wood-Pewee Population Trend in Michigan

All statesAerial insectivores

Eastern Wood-Pewee in Michigan has surged: up 150% on the route-weighted index since 1968.

+150%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 →
108Routes 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 →
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 Eastern Wood-Pewee Trends in MichiganNotable 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 Michigan: up 150% on the route-weighted index since 1968.

Eastern Wood-Pewee Population Forecast in Michigan

If the recent trend holds, Eastern Wood-Pewee in Michigan is projected to fall about 11% by 2030 — from 7.6 in 2025 to a central estimate of 6.8 (95% range 5.2–8.4). A 5-year backtest shows a typical error of ±14.3%, with 100% of held-out values landing inside the 95% band.

-11%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 →
6.8Projected 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 →
5.2–8.495% 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 →
±14.3%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 Michigan is projected to fall about 11% by 2030 — from 7.6 in 2025 to a central estimate of 6.8 (95% range 5.2–8.4). A 5-year backtest shows a typical error of ±14.3%, with 100% 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 →
20266.65.08.2
20276.65.08.3
20286.75.18.3
20296.75.18.4
20306.85.28.4

Eastern Wood-Pewee Survey Routes in Michigan

Routes recording Eastern Wood-Pewee in Michigan.
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 →
Scottville2520251968
Monterey2420251978
Cohoctah2220252021
Hubbard Lake1619961973
Harrietta1620251990
Big Island Lake1520102008
Almena1420151993
Nashville1320251968
Lawrence1220251969
Mottville1220251967
Chippewa Lk.1220251992
Hiawatha Nf1220251992
Cluster Lakes1220102006
Bravo1120231974
Howardsville1120251969
Barry S.G.A.1120121995
Bear Lake1020251967
Walloon Lake 21020242005
Gooseneck1020102008
Crystal Fls920251988
Big Blue Lk920251979
Belding920031983
Remus920251974
Homer920241978
Herron920162011

Eastern Wood-Pewee Population Trend in Other States

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

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