
1) Bird family 2) Family anatidae
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https://www.crosswordclues.com/clue/anatidae

The Anatidae are the biological family of birds that includes ducks, geese and swans. The family has a cosmopolitan distribution, occurring on all the world`s continents except Antarctica and on most of the world`s islands and island groups. These are birds that are adapted through evolution for swimming, floating on the water surface, and in so.....
Found on
http://en.wikipedia.org/wiki/Anatidae

bird family that includes ducks, geese, and swans; it constitutes the suborder Anseresby far the larger part of the order Anseriformes.[2 related articles]
Found on
http://www.britannica.com/eb/a-z/a/68

Anatidae is the duck, geese and swan family of birds of the order Natatores. They are characterized by a thick, broad beak, high at the base, covered with a thin membranous skin and ending in a nail-like horny tip; the edges of the mandibles are cut into thin parallel ridges, or toothed; the wings are moderate; the legs placed not very far behind; ...
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http://www.probertencyclopaedia.com/browse/BAA.HTM

[
n] - swimming birds having heavy short-legged bodies and bills with a horny tip: swans
Found on
http://www.webdictionary.co.uk/definition.php?query=Anatidae
family Anatidae noun swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.