Located in Musgongus Bay in Bremen, Maine, Hog Island is home to part of the Todd Wildlife Sanctuary as well as to Hog Island Audubon Camp, which is operated by Project Puffin (the National Audubon Society's Seabird Restoration Program). The Hog Island Audubon Camp is the longest running environmental education program in the United States. Programs focus primarily on ornithology, ecology and conservation, and are open to people of all ages.