white and black swans |
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| navigate by keyword : anatidae anserinae birds close closely considered cygninae cygnini cygnus distinct ducks family form geese genus grouped include related relatives sometimes subfamily swans they tribe where with within |
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| Swans are birds of the family Anatidae within the genus Cygnus. The swans` close relatives include the geese and ducks. Swans are grouped with the closely related geese in the subfamily Anserinae where they form the tribe Cygnini. Sometimes, they are considered a distinct subfamily, Cygninae |
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