Species · Massachusetts · BBS 2025 Release · 1966–2024

Yellow-throated Vireo Population Trend in Massachusetts

Yellow-throated Vireo in Massachusetts has surged: up 810% on the route-weighted index since 1974.

+810%Since 1974
21Routes In State
52Years

Notable Yellow-throated Vireo Trends in Massachusetts

long arc increasecomputed index

Yellow-throated Vireo has surged in Massachusetts: up 810% on the route-weighted index since 1974.

Yellow-throated Vireo Population Forecast in Massachusetts

If the recent trend holds, Yellow-throated Vireo in Massachusetts is projected to fall about 39% by 2029 — from 1.1 in 2024 to a central estimate of 0.69 (95% range 0.19–1.2). A 5-year backtest shows a typical error of ±61.4%, with 0% of held-out values landing inside the 95% band.

-39%Change by 2029
0.69Projected 2029 index
0.191.295% range
±61.4%Backtest error
19712029
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
20250.650.151.2
20260.660.161.2
20270.670.171.2
20280.680.181.2
20290.690.191.2

Yellow-throated Vireo Survey Routes in Massachusetts

Routes recording Yellow-throated Vireo in Massachusetts.
Belchertown520241978
S Barre420241977
Warren320081974
Sheffield320221971
Monterey320242019
Holden320241987
Warren 2320232011
Maynard220221997
N Oxford220041995
Cummington219861975
Hancock220152009
Ware River120211995
Prattville120141997
Littleton120181978
E Pepperell119771977
N Orange120181972
Chesterfield120241971
Cheshire119921972
Pittsfield120061972
N. Andover120241995
Cummington 2120192019

Yellow-throated Vireo Population Trend in Other States

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