Based on 2,668 research-grade iNaturalist observations in New Jersey, Mute Swan is most often recorded in October; in New Jersey it behaves like a year-round resident. It ranks #28 among birds recorded in the state in our data.
Cygnus olor
Mute Swan 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 October

Yellow-rumped Warbler

White-throated Sparrow
Canada Goose

Great Blue Heron

Mallard

Ruby-crowned Kinglet

Song Sparrow

Red-tailed Hawk
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 Mute Swan appear in New Jersey?
Mainly January–November, with the most records in October.
How common is Mute Swan in New Jersey?
It ranks #28 by number of iNaturalist observations among birds in New Jersey (2,668 records in our sample).