The world's only Key deer, the smallest subspecies of the white-tailed deer, are found in piney and marshy wetlands bordered by the Atlantic Ocean and Gulf of Mexico on the Florida Keys. For years, their biggest threat was being struck by vehicles speeding along U.S. Highway 1 or local roads.
But those waters surrounding the islands now pose the biggest long-term risk for this herd of about 800 deer as sea rise jeopardizes their sole habitat.
