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

Wood Thrush Population Trend in Maine

All statesForest birds

Wood Thrush in Maine has collapsed: down 86% on the route-weighted index since 1968.

-86%Since 1968
74Routes In State
58Years

Notable Wood Thrush Trends in Maine

long arc declinecomputed index

Wood Thrush has collapsed in Maine: down 86% on the route-weighted index since 1968.

Wood Thrush Population Forecast in Maine

If the recent trend holds, Wood Thrush in Maine is projected to fall about 100% by 2029 — from 0.53 in 2024 to a central estimate of 0.00 (95% range 0.00–7.7). A 5-year backtest shows a typical error of ±324.7%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–7.795% range
±324.7%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.000.007.7
20260.000.007.7
20270.000.007.7
20280.000.007.7
20290.000.007.7

Wood Thrush Survey Routes in Maine

Routes recording Wood Thrush in Maine.
Benton1619801971
Northfield1319811976
Ludlow1019981968
Warren819901973
Heron Lake819991983
Otisfield Gr720151971
Manchester719951971
Hudson720091973
Turner620101972
Benedicta419981976
Waite419771977
Priestly Br.420091996
Cape Neddick320241972
South Arm320131975
Harmony320131967
Brooks320191977
Aurora320061975
Turner 2320122011
Reeds220241990
East Troy220191972
Freedom220191973
Hermon220091967
Castine220051976
Carrabassett220181983
Baxter219841977

Wood Thrush Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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