
Based on 3,538 research-grade iNaturalist observations in Massachusetts, Baltimore Oriole is most often recorded in May; in Massachusetts it behaves like a seasonal. It ranks #37 among birds recorded in the state in our data.
Icterus galbula
Baltimore Oriole 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
Gray Catbird
Canada Goose
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 Baltimore Oriole appear in Massachusetts?
Mainly May–May, with the most records in May.
How common is Baltimore Oriole in Massachusetts?
It ranks #37 by number of iNaturalist observations among birds in Massachusetts (3,538 records in our sample).