Based on 3,051 research-grade iNaturalist observations in Massachusetts, Bufflehead is most often recorded in March; in Massachusetts it behaves like a winter visitor. It ranks #43 among birds recorded in the state in our data.
Bucephala albeola
Bufflehead in Massachusetts by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Massachusetts in March

American Robin
Canada Goose

Mallard

Black-capped Chickadee

Northern Cardinal

House Sparrow

Song Sparrow

Red-tailed Hawk
Places to look in Massachusetts
Arnold Arboretum
Boston Public Garden
Berkshire Botanical Garden
Halibut Point State Park
Hammond Pond Reservation
Tolland State Forest
FAQ
When does Bufflehead appear in Massachusetts?
Mainly November–April, with the most records in March.
How common is Bufflehead in Massachusetts?
It ranks #43 by number of iNaturalist observations among birds in Massachusetts (3,051 records in our sample).