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Ducks, Geese and Swans (Anatidae)

Chiloe Wigeon (Anas sibilatrix) - HBW 1, p. 601

French: Canard de Chiloé German: Chilepfeifente Spanish: Silbón Overo
Other common names: Southern/Chilean Wigeon

Taxonomy: Anas sibilatrix Poeppig, 1829, Talcahuano, Concepción, Chile.
Forms superspecies with A. penelope and A. americana; sometimes placed in genus Mareca. Monotypic.

Distribution: South America S of C Argentina and C Chile; Falkland Is.