Redhead (bird) blue bill during the breeding season. The redhead is in the family Anatidae (ducks, swans, geese) and genus "Aythya" (diving ducks). There are currently no described subspecies of the redhead. The redhead and the common pochard form a sister group which itself is sister to the canvasback. This group is then sister to the monophyletic group consisting of the white-eyes (hardhead, Madagascar pochard, and the sister species ferruginous duck and baer's pochard) and scaups (New Zealand scaup, ring-necked duck, tufted duck, greater scaup, lesser scaup). The redhead is a pochard, a diving duck specially adapted to foraging underwater. Their legs
USS Pochard (AM-375) 15 January 1947. "Pochard" was berthed at San Diego, California, as a unit of the Pacific Reserve Fleet until recommissioned 27 February 1952. On 19 May she reported for duty with the Atlantic Fleet, at Charleston, South Carolina, whence she operated alternating U.S. East Coast and Caribbean cruises with Mediterranean deployments until 1955. Reclassified MSF-375, 7 February 1955, she was placed in reserve in June and decommissioned on 3 August. Assigned to the Florida Group, Atlantic Reserve Fleet, she was berthed at Green Cove Springs, Florida until struck from the Navy List 1 December 1966 and sold for scrap. "Pochard"