Species · BCR 30 · BBS 2025 Release · 1966–2024

Purple Finch In New England / Mid-Atlantic Coast

Purple Finch in New England / Mid-Atlantic Coast has collapsed: down 88% on the route-weighted index since 1968.

-88%Since 1968
54Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Purple Finch has collapsed in New England / Mid-Atlantic Coast: down 88% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Purple Finch in New England / Mid-Atlantic Coast is projected to fall about 100% by 2029 — from 0.10 in 2024 to a central estimate of 0.00 (95% range 0.00–0.28). A 5-year backtest shows a typical error of ±222.7%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.000.2895% range
±222.7%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
20250.000.000.28
20260.000.000.28
20270.000.000.28
20280.000.000.28
20290.000.000.28

Routes In New England / Mid-Atlantic Coast

Routes recording Purple Finch in New England / Mid-Atlantic Coast.
WesthamptonNEW-YORK111995
ChilmarkMASSACHUSETTS61981
BrocktonMASSACHUSETTS62015
WoodstockCONNECTICUT41987
WarrenCONNECTICUT42011
StraffordNEW-HAMPSHIRE42024
N OxfordMASSACHUSETTS31979
HoldenMASSACHUSETTS32024
N. AndoverMASSACHUSETTS31995
DoverNEW-HAMPSHIRE32021
HuntingtonNEW-YORK31981
WestbrookCONNECTICUT21992
ShermanCONNECTICUT22008
Mid HaddamCONNECTICUT21995
SouthingtonCONNECTICUT21984
PrattvilleMASSACHUSETTS22005
Quonset PtRHODE-ISLAND21992
Sachuest PtRHODE-ISLAND21988
MysticCONNECTICUT12002
E HartlandCONNECTICUT11991
BuckinghamCONNECTICUT11979
UncasvilleCONNECTICUT12008
WillimanticCONNECTICUT12005
No WoodburyCONNECTICUT12022
GreenwichCONNECTICUT11976

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