Andean Goose
Chloephaga melanoptera
The Andean goose (Chloephaga melanoptera) is a species of waterfowl in tribe Tadornini of subfamily Anserinae. It is found in Argentina, Bolivia, Chile, and Peru.
The Andean goose is 70 to 76 cm long and weighs 2.73 and 3.64 kg. Both sexes have the same plumage. Adults' heads and bodies are white. Some scapulars have sooty centers and others are dark brown, giving a striped appearance to the shoulders. The wing's primaries and the tail are black with a greenish gloss. Their bill is coral red with a black nail and the legs and feet are light red. Downy young are mostly white with some blackish spots and streaks. Older immatures are similar to adults but duller. Their bodies are somewhat off-white, the sides of the head often partly gray, and the scapulars brownish gray.