This two-acre island in Casco Bay is located 1.5 miles south of Cundy's Harbor, about ? mile from the closest point of land. Jenny Island is owned by the Maine Dept. of Inland Fisheries and Wildlife and is cooperatively managed with National Audubon?s Seabird Restoration Program.
The tern colony peaked in 1998 with nearly 1,200 pairs of terns, but was subsequently decimated by nocturnal avian (Great Horned Owl) and mammalian predators (Mink). In addition to the seabird nesting colony, the island is a migratory stopover for shorebirds, such as Whimbrel, Ruddy Turnstone, and Semipalmated Sandpipers. Purple Sandpipers winter on the shore of this island as well.
This island is in conservation ownership and is managed for nesting terns. National Audubon continues to manage predators to increase tern productivity. An oil spill should be considered the primary threat to this island.
Jenny Island is owned by the Maine Dept. of Inland Fisheries and Wildlife and managed as part of the Coast of Maine Wildlife Management Area. It is closed to public access during the seabird nesting season (April 15 ? August 31).