Based on 3,653 research-grade iNaturalist observations in Massachusetts, Cooper's Hawk is most often recorded in December; in Massachusetts it behaves like a spring and fall migrant. It ranks #35 among birds recorded in the state in our data.
Astur cooperii
Cooper's Hawk 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 December
Black-capped Chickadee
Northern Cardinal
Mallard
Downy Woodpecker
Red-tailed Hawk
Canada Goose
Tufted Titmouse
Dark-eyed Junco
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 Cooper's Hawk appear in Massachusetts?
Mainly July–May, with the most records in December.
How common is Cooper's Hawk in Massachusetts?
It ranks #35 by number of iNaturalist observations among birds in Massachusetts (3,653 records in our sample).