Migration & timing
Bufflehead in Massachusetts
There aren't yet enough observations of Bufflehead in Massachusetts to describe its timing with confidence.
Sighting 10 observations in Massachusetts
Check back as more observations come in, or explore Bufflehead across North America.
Bufflehead elsewhere
More birds in Massachusetts
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.