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Ducks
- 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.
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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.
duck, any of various species of relatively small, short-necked, large-billed waterfowl. In true ducks—i.e., those classified in the subfamily Anatinae in the waterfowl family Anatidae—the legs are placed rearward, as in swans, rather than forward, as in geese. The result is a distinctive waddling gait.
- The Editors of Encyclopaedia Britannica
All ducks belong to the biological order Anseriformes, a group that contains the ducks, geese and swans, as well as the screamers, and the magpie goose. All except the screamers belong to the biological family Anatidae. Within the family, ducks are split into a variety of subfamilies and 'tribes'.
The largest subfamily, Anatinae, includes eight groups: Tadornini (shelducks and allies: five genera, 14 species); Tachyerini (steamer ducks: one genus, four species); Cairini (perching ducks and allies: nine genera, 13 species); Merganettini (Torrent Duck (Merganetta armata)); Anatini (dabbling ducks: four genera, 40 species); Aythyini ...
Ducks are an immense group of aquatic birds, known as waterfowl. They are in the Anatidae family, and share this family with swans and geese as well. As a group, the vast majority of these birds are smaller than swans and geese. They usually live in fresh waters like lakes and ponds, but some species live in brackish or salt water.
Ducks, Geese, and Waterfowl—Anatidae (51) Black-bellied Whistling-Duck. Dendrocygna autumnalis. Listen. ... Long-tailed Duck. Clangula hyemalis. Listen. Media ...
The Anatidae can range from inconspicuous and dull to spectacularly colorful (Tellkamp 2004). Their feathers are excellent at shedding water due to special oils. Many of the ducks display sexual dimorphism, with the males being more brightly colored than the females (although the situation is reversed in species like the paradise shelduck).
