The redhead is a pochard, a diving duck specially adapted to foraging underwater. The county's most common winter bird is the lesser scaup, a diving duck. In one, Shingebis is a diving duck who dared Winter. Their debut album was "Diving Duck" (1988). Their habitus resembles a freshwater diving duck, particularly when moving on dry land. The redhead ("Aythya americana") is a medium-sized diving duck. The red-crested pochard ("Netta rufina") is a large diving duck. The red-breasted merganser ("Mergus serrator") is a diving duck, one of the sawbills. The Brazilian merganser ("Mergus octosetaceus") is a South American diving duck in the Mergus genus.