Shortly after arriving in Philadelphia (and before even unpacking my car) we visited Heinz National Wildlife Refuge, which is located right in Philadelphia and was established to protect the tidal marshes next to Delaware river.
We didn't have much time, but the place looked very promising and we will definitely return there for a longer walk.
We did see a white-tailed deer, though! There it is giving me one last look before disappearing into the bushes.
The Great Blue heron was intently watching the water and allowed us to come quite close.
An assortment of butterflies on a cleared patch near the parking lot. A Common Buckeye, a White Admiral (or Red-spotted Purple) and some sort of a sulphur...