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

Eastern Towhee Population Trend in Massachusetts

All statesGeneralists

Eastern Towhee in Massachusetts has collapsed: down 81% on the route-weighted index since 1968.

-81%Since 1968
32Routes In State
58Years

Notable Eastern Towhee Trends in Massachusetts

long arc declinecomputed index

Eastern Towhee has collapsed in Massachusetts: down 81% on the route-weighted index since 1968.

Eastern Towhee Population Forecast in Massachusetts

If the recent trend holds, Eastern Towhee in Massachusetts is projected to fall about 100% by 2029 — from 6.1 in 2024 to a central estimate of 0.00 (95% range 0.00–13). A 5-year backtest shows a typical error of ±130.6%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–1395% range
±130.6%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
20250.000.0013
20260.000.0013
20270.000.0013
20280.000.0013
20290.000.0013

Eastern Towhee Survey Routes in Massachusetts

Routes recording Eastern Towhee in Massachusetts.
Gay Head3820241996
Chilmark2819831969
Prattville2220191966
Princeton2119761969
Cape Cod Ns2120071989
Belchertown1620241967
Wellfleet 21020242016
Marion920241966
Pittsfield920161967
Ware River920221993
Brockton620191967
E Dennis520211967
Warren520091968
Sheffield520221969
Warren 2520242010
Wellfleet420071966
Holden320241977
Maynard220221967
N Oxford220241968
Mansfield220241968
E Pepperell219931966
Cummington220141968
Monterey220242019
N. Andover220241995
Cummington 2220222015

Eastern Towhee Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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