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Macaroni penguin, (Eudyptes chrysolophus), species of crested penguin (genus Eudyptes, order Sphenisciformes) characterized by a large reddish orange bill, a black face and chin, and a long crest of yellow-orange feathers that contrast with the black feathers on the head. The species is found on the Antarctic Peninsula, on a number of Antarctic and subantarctic islands in the Atlantic and Indian oceans, and on the islands near the coasts of Chile and Argentina. Macaroni penguins...