
Based on 1,652 research-grade iNaturalist observations in New York, Eastern Giant Swallowtail is most often recorded in August; in New York it behaves like a seasonal. It ranks #18 among butterflies recorded in the state in our data.
Heraclides cresphontes
Eastern Giant Swallowtail in New York 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 York in August

Monarch

Silver-spotted Skipper

Black Swallowtail

Zabulon Skipper

Small White

Spicebush Swallowtail

Eastern Tiger Swallowtail

Peck's Skipper
Places to look in New York
New York Botanical Garden
Botanical GardenBrooklyn Botanic Garden
Adirondack Park
Queens Botanical Garden
Franklin D. Roosevelt Four Freedoms Park
Planting Fields Arboretum State Historic Park
FAQ
When does Eastern Giant Swallowtail appear in New York?
Mainly August–August, with the most records in August.
How common is Eastern Giant Swallowtail in New York?
It ranks #18 by number of iNaturalist observations among butterflies in New York (1,652 records in our sample).