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Duck or anitra, from the Latin anas is the common name of an important number of anseriform birds, generally migratory, belongin #150720055
Description
Duck or anitra, from the Latin anas is the common name of an important number of anseriform birds, generally migratory, belonging to the Anatidae family. It is a definition devoid of systematic value, as it groups species belonging to various different genera and sub-families; in general the term `duck` applies to the smaller Anseriform species and with marked sexual dimorphism, as opposed to goose, which on the contrary defines species of great size and devoid of dimorphism.