
Based on 2,008 research-grade iNaturalist observations in Massachusetts, Northern Yellow Warbler is most often recorded in May; in Massachusetts it behaves like a seasonal. It ranks #62 among birds recorded in the state in our data.
Setophaga aestiva
Northern Yellow Warbler 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

Baltimore Oriole
Red-winged Blackbird

Mallard

Wild Turkey

Northern Cardinal
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 Northern Yellow Warbler appear in Massachusetts?
Mainly May–May, with the most records in May.
How common is Northern Yellow Warbler in Massachusetts?
It ranks #62 by number of iNaturalist observations among birds in Massachusetts (2,008 records in our sample).