The Refuge was established to preserve and restore Tinicum Marsh, to promote environmental education and to provide wildlife – related recreation. - On the refuge you can experience nature, learn more about native plants and wildlife and enjoy the outdoors on the doorstep of one of the nation’s major cities and seaports. - This video production contains music that has been licensed to the U.S. Fish and Wildlife Service. This license allows for the free distribution of the finished video production, in its entirety, by video tape, Compact or Digital Video disc, or internet streaming and downloading. It is intended for the private, personal use the Public. Any non-private use by the Public of this video product containing licensed music requires that a separate license be obtained. You are responsible for any license requirement resulting from your use of the music. - - There is plenty to enjoy. Hiking, bird watching, fishing and wildlife observation are just a few of the activities offered to visitors at the John Heinz National Wildlife Refuge.