The Anatidae are the biological family of water birds that includes ducks, geese, and swans. The family has a cosmopolitan distribution, occurring on all the world's continents except Antarctica. These birds are adapted for swimming, floating on the water surface, and, in some cases, diving in at least shallow water.

Anatidae, bird family that includes ducks, geese, and swans; it constitutes the suborder Anseres, by far the larger part of the order Anseriformes. A widely accepted system of classification divides the Anatidae into 3 subfamilies and 8 to 12 tribes.

Browse North American birds in taxonomic order—by order and family, with quick access to each bird’s photos and sounds.

The avian family Anatidae, commonly called waterfowl, comprise the ducks, geese, and swans. The International Ornithological Committee (IOC) recognizes these 174 Anatidae species distributed among 53 genera, 32 of which have only one species. Eight species on the list are extinct; they are marked (E).

2020年3月4日 · Ducks, Geese, and Waterfowl (Anatidae), version 1.0. In Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.anatid1.01.

The meaning of ANATIDAE is a large family of chiefly aquatic birds (order Anseriformes) having relatively heavy bodies, short legs, webbed feet, a bill with a hard horny nail at the tip and transverse toothlike ridges on the biting edges and including the …

Anatidae comprises 49 genera in 5 subfamilies: Anatinae, Anserinae, Dendrocygninae, Stictonettinae, and Tadorninae.

The anatidae are the biological family of birds that includes the ducks, geese and swans. [1] These birds are common and widespread, and live in or near water. The family has a cosmopolitan distribution, on all the world's continents except Antarctica and on most of the world's islands and island groups.

Anatidae is the biological family of medium to very large-sized birds in the order Anseriformes that includes the ducks, geese and swans, with members characterized by a broad, stocky body, short legs with partially webbed feet, long neck, and a somewhat flattened bill with horny lamellae and a hard "nail" at the tip.

The Anatidae range in size from the minute African pigmy geese (Nettapus auritus), measuring only up to 13 inches (33 cm) and weighing no more than 0.51 lb (230 g), to the large trumpeter swan (Cygnus buccinator), which reaches a body length of …