Coscoroba swan (Coscoroba coscoroba)

Classification: Genus Coscoroba; Subfamily Anserinae; Family Waterfowl (Anatidae)
General: The coscoroba swan (Coscoroba coscoroba) is a species of waterfowl in the subfamily Anserinae of the family Anatidae.^[3][4] It is found in Argentina, Bolivia, Brazil, Chile, Paraguay, Uruguay, and the Falkland Islands.^[5] [more]

First documented observation : 2019-02-17 in Patagonia.