The U.S. Fish and Wildlife Service is a bureau within the Department of the Interior. Its mission is to work with others to conserve, protect and enhance fish, wildlife and plants and their habitats for the continuing benefit of the American people. A 1940 reorganization plan in the Department of the Interior consolidated the Bureau of Fisheries and the Bureau of Biological Survey into one agency to be known as the Fish and Wildlife Service. The Bureau of Sport Fisheries and Wildlife was created as a part of the U.S. Fish and Wildlife Service in the Department of the Interior on November 6, 1956, by the Fish and Wildlife Act of 1956. That act was amended on July 1, 1974 to, among other purposes, abolish the position of Commissioner of Fish and Wildlife and designate the Bureau as the U.S. Fish and Wildlife Service.
U.S. Fish and Wildlife Service, Office of External Affair. (April 20, 2010). "About the U.S. Fish and Wildlife Service". Retrieved January 17, 2012 from http://www.fws.gov/help/about_us.html