Aythya - Wikipedia The species are plump, compact, medium-sized ducks ranging from 37–61 cm long, 60–84 cm wingspan, and weighing 410–1600 g, with canvasback the largest, and ring-necked duck and ferruginous duck marginally the smallest
Redhead (Aythya americana) | U. S. Fish Wildlife Service Redheads are large diving ducks that feed by diving below the water’s surface looking for plant tubers and other foods This species often occurs in large flocks, called rafts, especially during winter months This duck is known for its rounded, bright red head, two tone bill and gray back
Aythya duck sp. - eBird Learn about Aythya duck sp : explore photos, sounds, and observations collected by birders around the world
Aythya - Ask A Biologist Almost always seen in pairs or small flocks on marshy lakes, golf ponds, reservoirs and occasionally coastal estuaries, this species dives for aquatic vegetation and invertebrates The nest is placed near the water on a dry area and is made of grass and moss
Lesser Scaup vs Greater Scaup: Key Identification Field Marks Distinguishing Lesser Scaup (Aythya affinis) vs Greater Scaup (Aythya marila) is one of the most persistent identification challenges faced by North American birders and waterfowl enthusiasts
Redhead | Audubon Field Guide In summer, when males abandon their mates, they may fly hundreds of miles to the north to lakes where they go through the flightless stage of molt Main migration is fairly late in fall and early in spring
Aythya americana (redhead) | INFORMATION | Animal Diversity Web The Aythya americana breeding range extends from southern Canada to the northern United States (Washington to Maine) Many breed in the Prairie Pothole region of the northern Great Plains of North America
Redhead Overview, All About Birds, Cornell Lab of Ornithology These sociable ducks molt, migrate, and winter in sometimes-huge flocks, particularly along the Gulf Coast, where winter numbers can reach the thousands Summers find them nesting in reedy ponds of the Great Plains and West Female and young Redheads are uniform brown, with the same black-tipped, blue-gray bill as the male
Aythya: facts, distribution population | BioDB One of the defining features of Aythya ducks is their excellent diving ability They are equipped with strong legs positioned far back on their bodies, which, while making them somewhat clumsy on land, provides powerful propulsion underwater
Birds of the World - Aythya Tufted Duck (Aythya fuligula) Male Range: breeds northern Palearctic from Iceland eastward to Kamchatka, southward to central Europe and Mongolia; winters to northern Africa and southern and southeastern Asia including the Philippines