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Species · Louisiana · BBS 2026 Release · 1966–2025

Eastern Wood-Pewee Population Trend in Louisiana

All statesAerial insectivores

Eastern Wood-Pewee in Louisiana has edged down: down 22% on the route-weighted index since 1969.

-22%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 →
75Routes 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 →
58YearsYears 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 LouisianaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Eastern Wood-Pewee in Louisiana. See the full index history below.

Eastern Wood-Pewee Population Forecast in Louisiana

If the recent trend holds, Eastern Wood-Pewee in Louisiana is projected to fall about 46% by 2030 — from 2.5 in 2025 to a central estimate of 1.3 (95% range 0.00–2.7). A 5-year backtest shows a typical error of ±54.8%, with 40% of held-out values landing inside the 95% band.

-46%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 →
1.3Projected 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 →
0.00–2.795% 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 →
±54.8%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 Louisiana is projected to fall about 46% by 2030 — from 2.5 in 2025 to a central estimate of 1.3 (95% range 0.00–2.7). A 5-year backtest shows a typical error of ±54.8%, with 40% of held-out values landing inside the 95% band.19672030
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 →
20261.40.042.8
20271.40.012.8
20281.40.002.8
20291.40.002.8
20301.30.002.7

Eastern Wood-Pewee Survey Routes in Louisiana

Routes recording Eastern Wood-Pewee in Louisiana.
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 →
Marion1519961988
Mount Union1420251998
Tensas Nwr1320251987
Many1019921989
Fishville920171967
Hargis720112005
Fort Jessup720231998
Norwood720252004
Derry619891967
Transylvania620251998
Linville620251998
Pine Prairie619971995
River Road520102001
Hargis 2520142013
Grayson520212005
Enterprise520252006
Flat Creek520251998
Womack520251999
Lake Cove420172008
Evelyn420242004
Zwolle420231998
Ivan420131998
Oakdale419941991
Derry 2420251990
Burr Ferry420251987

Eastern Wood-Pewee Population Trend in Other States

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

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