Bird Conservation Region 14

Atlantic Northern Forest

An ecological region spanning Connecticut, Maine, Massachusetts, New-hampshire, New-york, Vermont, with 156 survey routes. BCRs are the natural unit for bird trends.

What Is Moving Here

long arc declinecomputed index

Eastern Meadowlark has collapsed in Atlantic Northern Forest: down 99% on the route-weighted index since 1968.

long arc increasecomputed index

Tufted Titmouse has surged in Atlantic Northern Forest: up 108× on the route-weighted index since 1974.

long arc declinecomputed index

Vesper Sparrow has collapsed in Atlantic Northern Forest: down 97% on the route-weighted index since 1968.

long arc increasecomputed index

Pine Warbler has surged in Atlantic Northern Forest: up 60× on the route-weighted index since 1968.

long arc declinecomputed index

Herring Gull has collapsed in Atlantic Northern Forest: down 95% on the route-weighted index since 1968.

long arc increasecomputed index

Northern Cardinal has surged in Atlantic Northern Forest: up 44× on the route-weighted index since 1969.

How Guilds Are Faring

Survey Routes

Species By Family

Osprey Pandionidae

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