ChiloĆ© wigeon References ChiloĆ© wigeon bird Ask Anything Homework Help Also known as: Anas sibilatrix Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of EncyclopƦdia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: wigeonThe male ChiloĆ© wigeon (A. sibilatrix) of South America helps raise the youngāa rare trait among ducks. The Cape wigeon (A. capensis) of Africa is a nocturnal feeder. Read MoreThe male ChiloĆ© wigeon (A. sibilatrix) of South America helps raise the youngāa rare trait among ducks. The Cape wigeon (A. capensis) of Africa is a nocturnal feeder. Read More