Long Point. 24/05/82; Ontario; 13,730 ha; 42°35'N 080°15'W. Biosphere Reserve; National Wildlife Area. A sandy spit, of marshes, wet meadows, wooded swamps, beaches and dunes. The microclimate has led to the development of unusual plant associations. Many plant species occur at the extreme northern limit of their range and include 3 endemic and 42 species rare in Ontario. A major resting and feeding area for migratory waterbirds. Up to 30,000 Cygnus c. columbianus pass through in spring, and more than 10% of the world populations of Aythya valisineria and A. americana congregate in spring and fall. An important stop-over point for migratory land birds, bats and the butterfly Danaus plexippus. 26 species of reptiles and amphibians occur in the area, including several threatened species. A research facility exists and there is managed duck hunting. Ramsar site no. 237. Most recent RIS information: 2001.