Based on 2,881 research-grade iNaturalist observations in Massachusetts, Red-breasted Merganser is most often recorded in February; in Massachusetts it behaves like a winter visitor. It ranks #45 among birds recorded in the state in our data.
Mergus serrator
Red-breasted Merganser 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 February
Canada Goose
Black-capped Chickadee
Mallard
Northern Cardinal
American Robin
Downy Woodpecker
House Sparrow
Red-tailed Hawk
Places to look in Massachusetts
Botanical GardenArnold Arboretum
Botanical GardenBoston Public Garden
Botanical GardenBerkshire Botanical Garden
State ParkHalibut Point State Park
State ParkHammond Pond Reservation
State ParkTolland State Forest
FAQ
When does Red-breasted Merganser appear in Massachusetts?
Mainly November–April, with the most records in February.
How common is Red-breasted Merganser in Massachusetts?
It ranks #45 by number of iNaturalist observations among birds in Massachusetts (2,881 records in our sample).