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Butterfly Census

Mariton Wildlife Sanctuary | Sat, June 29, 2019, 9:00am - 12:00pm

Join us for this annual, citizen-science effort to identify and count the pollinators that thrive in the meadows of Mariton Wildlife Sanctuary.

Conducted every year since 1991, the Butterfly Census is an important tool to gauge the health of habitats for fritillaries, hairstreaks, duskywings, swallowtails, satyrs, skippers, whites, yellows, and more.


Mariton Wildlife Sanctuary
240 Sunnyside Road
Easton , PA 18042

Phone: 6102586574


June 29, 2019
9:00am - 12:00pm

Mariton is perched on the steep slopes of Bougher Hill overlooking the scenic Delaware River. A highlight of the preserve’s trail system is the River Lookout Trail, with an overlook of both the Delaware Canal and the Delaware River 300 feet below.

Mariton’s Nature Center includes a library, meeting space, and ADA restrooms, and is open by prior arrangement.

No experience necessary.

Dress for the season and wear sturdy shoes.

Be prepared to walk a few miles on uneven terrain.

Bring water bottle and binoculars (a few are available to borrow).

Please leave your four-legged friends at home.


Event is free. Registration required. Please complete and submit the secure, on-line registration form below to let us know you are coming, or call 610-353-5587 ext. 221.

Events may be cancelled due to inclement weather or low registration. In that case, we will make every effort to update our website and contact registrants. Note that we cannot offer refunds of paid registrations or ticket purchases, but rest assured that your donation will help us in our work to save open space, care for nature, and connect people to the outdoors.

Photography policy:
Attendance at Natural Lands programs and events constitutes consent to be photographed for use in print and electronic media. Images will not be identified using full names without written approval from the individual. Please notify Natural Lands staff if you would prefer that your photo not be used.