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.
Cemetery notes and/or description: Waltham Abbey is a market town in the south west of the county of Essex, in the East of England region. It is about 24 km north of London on the Greenwich Meridian. It takes its name from Waltham Abbey, which was prominent in the early history of the town.