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

Pine Warbler In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastForest birds

Pine Warbler in New England / Mid-Atlantic Coast has surged: up 421% on the route-weighted index since 1968.

+421%Since 1968
148Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Pine Warbler has surged in New England / Mid-Atlantic Coast: up 421% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Pine Warbler in New England / Mid-Atlantic Coast is projected to stay roughly flat through 2029, near 10 (95% range 7.6–13). A 5-year backtest shows a typical error of ±14.1%, with 80% of held-out values landing inside the 95% band.

-7%Change by 2029
10Projected 2029 index
7.6–1395% range
±14.1%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
20259.77.112
20269.97.313
2027107.413
2028107.513
2029107.613

Routes In New England / Mid-Atlantic Coast

Routes recording Pine Warbler in New England / Mid-Atlantic Coast.
Spraguetown 3NEW-JERSEY752024
MadisonMARYLAND622024
Casimir Pulaski SfRHODE-ISLAND522018
FriendshipNEW-JERSEY482024
PomonaNEW-JERSEY462024
CokesburyMARYLAND432024
Wellfleet 2MASSACHUSETTS402024
Furnace TownMARYLAND352024
TruhartVIRGINIA352024
BrandonVIRGINIA312024
WalkersVIRGINIA292023
MarionMASSACHUSETTS282024
WinslowNEW-JERSEY252024
Cape Cod NsMASSACHUSETTS242007
Ware RiverMASSACHUSETTS232022
Estell ManorNEW-JERSEY222022
PepperboxDELAWARE202016
HongaMARYLAND192024
Forest GroveMARYLAND192023
PrattvilleMASSACHUSETTS172019
MaynardMASSACHUSETTS172022
HoldenMASSACHUSETTS172024
StraffordNEW-HAMPSHIRE172024
GloucesterVIRGINIA172024
MillsboroDELAWARE162024

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