
Based on 2,160 research-grade iNaturalist observations in New Jersey, Great Black-backed Gull is most often recorded in August; in New Jersey it behaves like a seasonal. It ranks #36 among birds recorded in the state in our data.
Larus marinus
Great Black-backed Gull in New Jersey 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 New Jersey in August

Laughing Gull

Osprey

Great Blue Heron

Great Egret

Mourning Dove

Sanderling

Double-crested Cormorant

American Goldfinch
Places to look in New Jersey
Drew University
Liberty State Park
Willowwood Arboretum
Herrontown Woods Arboretum
Wawayanda State Park
Island Beach State Park
FAQ
When does Great Black-backed Gull appear in New Jersey?
Mainly July–March, with the most records in August.
How common is Great Black-backed Gull in New Jersey?
It ranks #36 by number of iNaturalist observations among birds in New Jersey (2,160 records in our sample).