Featured Species

John Heinz National Wildlife Refuge at Tinicum is a unique, urban oasis where both people and wildlife can find their space outdoors. It is notably home to the largest remaining freshwater tidal marsh in Pennsylvania, known as Tinicum Marsh. The refuge has been designated as an Important Bird Area by the National Audubon Society. It’s diverse habitats provide a sanctuary for birds in Greater Philadelphia. Over 300 different species have been recorded here, with 90 species known to nest on the refuge.  

Bald Eagle

A large raptor, the bald eagle has a wingspread of about seven feet. Adults have a dark brown body and wings, white head and tail, and a yellow beak. Juveniles are mostly brown with white mottling on the body, tail, and undersides of wings. Adult plumage usually is obtained by the sixth year. In...

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red-bellied turtle
American red-bellied turtle
Northern Red-bellied Cooter
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Great Blue Heron
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