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
National Chambal Sanctuary Indian gazelle (chinkara), northern palm squirrel, porcupine, Indian hare, Indian flying fox and hedgehog. The National Chambal Sanctuary is listed as an important bird area (IBA) IN122. and is a proposed Ramsar site. At least 320 species of resident and migratory birds inhabit the sanctuary. Migratory birds from Siberia form part of its rich avian fauna. Vulnerable bird species here include the Indian skimmer, sarus crane, Pallas's fish eagle and Indian courser. The pallid harrier and lesser flamingo are near threatened. Winter visitors include black-bellied terns, red-crested pochard, ferruginous pochard and bar-headed goose. Other species include great thick-knee, greater flamingos,