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Species · Massachusetts · BBS 2025 Release · 1966–2024

Red-eyed Vireo Population Trend in Massachusetts

All statesForest birds

Red-eyed Vireo in Massachusetts has surged: up 251% on the route-weighted index since 1968.

+251%Since 1968
32Routes In State
58Years

Notable Red-eyed Vireo Trends in Massachusetts

long arc increasecomputed index

Red-eyed Vireo has surged in Massachusetts: up 251% on the route-weighted index since 1968.

Red-eyed Vireo Population Forecast in Massachusetts

If the recent trend holds, Red-eyed Vireo in Massachusetts is projected to fall about 26% by 2029 — from 40 in 2024 to a central estimate of 30 (95% range 19–40). A 5-year backtest shows a typical error of ±19.1%, with 80% of held-out values landing inside the 95% band.

-26%Change by 2029
30Projected 2029 index
19–4095% range
±19.1%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
2025291939
2026291939
2027291939
2028291940
2029301940

Red-eyed Vireo Survey Routes in Massachusetts

Routes recording Red-eyed Vireo in Massachusetts.
Chesterfield13820241967
Pittsfield9720161967
Monterey9520242019
N Orange8820241968
Belchertown6020241967
Cummington5820141968
Ware River5420221993
Hancock4920151997
Warren 24820242010
S Barre4320241968
Sheffield4220221969
Cummington 24220242015
Gay Head3120241996
Holden2120241977
Princeton2019761969
Warren1720091968
Cheshire1719941969
Chilmark1019831969
Prattville820191966
N Oxford820241968
E Pepperell819941966
Marion720241969
Maynard720221967
Brockton620191967
N. Andover620241995

Red-eyed Vireo Population Trend in Other States

alabamaalaskaarkansascoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawashingtonwest-virginiawisconsinwyoming

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