Gull Island Vole (Microtus pennsylvanicus nesophilus
The Gull Island Vole is known solely from 15 specimens collected in 1897 that now reside in Washington, D.C. This subspecies of Meadow Vole was endemic to Great Gull Island off of Long Island, New York.
The species is believed to have gone extinct at the end of 1898 when Fort Michie was constructed on the island, destroying its habitat.
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