Based on 6,720 research-grade iNaturalist observations in Massachusetts, Gray Catbird is most often recorded in May; in Massachusetts it behaves like a seasonal. It ranks #19 among birds recorded in the state in our data.
Dumetella carolinensis
Gray Catbird 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 May

American Robin
Canada Goose

Baltimore Oriole
Red-winged Blackbird

Mallard

Wild Turkey

Northern Cardinal

House Sparrow
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 Gray Catbird appear in Massachusetts?
Mainly May–July, with the most records in May.
How common is Gray Catbird in Massachusetts?
It ranks #19 by number of iNaturalist observations among birds in Massachusetts (6,720 records in our sample).