Loss of habitat is the single greatest threat to any species. If an island on which an endemic organism lives becomes uninhabitable for some reason, the species will become extinct. Any type of habitat surrounded by a different habitat is in a similar situation to an island.
Waltham, MA. Waltham is a city in Middlesex County, Massachusetts, United States, was an early center for the labor movement, and major contributor to the American Industrial Revolution.
Windham County, Vermont. Windham County is a county located in the state of Vermont, in the United States. As of the 2010 census, the population was 44,513. The county's shire town (seat) is Newfane, and the largest municipality is Brattleboro. The county is known for its counterculture.