State · BBS 2025 Release · 1966–2024

Massachusetts Breeding Birds

176 species recorded across 32 survey routes, 1966 to 2024. Browse by family or guild below.

Massachusetts Bird Population Trends

long arc declinecomputed index

Northern Bobwhite has collapsed in Massachusetts: down 100% on the route-weighted index since 1968.

long arc declinecomputed index

Eastern Meadowlark has collapsed in Massachusetts: down 97% on the route-weighted index since 1968.

long arc declinecomputed index

White-throated Sparrow has collapsed in Massachusetts: down 98% on the route-weighted index since 1968.

long arc declinecomputed index

Herring Gull has collapsed in Massachusetts: down 96% on the route-weighted index since 1968.

long arc declinecomputed index

Ring-necked Pheasant has collapsed in Massachusetts: down 96% on the route-weighted index since 1968.

long arc declinecomputed index

Brown Thrasher has collapsed in Massachusetts: down 94% on the route-weighted index since 1968.

How Bird Guilds Are Faring in Massachusetts

Massachusetts Bird Survey Routes

Browse Massachusetts Birds By Family

Each species links to its trend in Massachusetts.

Osprey Pandionidae

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