East Sister Island is a 15 hectare island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 in Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

, located within Lake Erie

Lake Erie

Lake Erie is the fourth largest lake of the five Great Lakes in North America, and the tenth largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and therefore also has the shortest average water residence time. It is bounded on the north by the...

, maintained as a Provincial Nature Reserve. This large, wooded, Lake Erie island is uninhabited except for thousands of birds. The nearby West Sister Island

West Sister Island

West Sister Island is an island of the U.S. state of Ohio located in Lake Erie. The island is in the Western Basin of Lake Erie and is jointly owned by the United States Coast Guard and the U.S. Fish and Wildlife Service, and managed and designated as a wilderness area. The only such area in Ohio...

 is in Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

Flora and fauna

The island has become the home of a breeding colony of double-crested cormorants. Their droppings have threatened the forest, a relict of Carolinian forest

Carolinian forest

The Carolinian forest is a life zone in eastern North America characterized primarily by a predominance of deciduous, or broad-leaf trees. The term "Carolinian forest" is used primarily in Canada...

 in southern Ontario.
Unusual species on the island include the wild hyacinth

Camassia scilloides

Camassia scilloides is a perennial herb also known as the Atlantic camas and Southern Wild Hyacinth. It is native to the eastern half of North America...

  and the Lake Erie water snake, Nerodia sipedon insularum

Northern Water Snake

The Northern water snake is a large, nonvenomous, well-known snake in the Colubridae family that is native to North America.-Behavior:...

.