NOTE: This is an invalidated taxon. It is a 'synonym' for 12791, which has superseded it.
Compare AOU treatments of Anas strepera, in Avibase (1886 to present).
Search for Anas strepera at Cornell Birds of North America.
Annotation: No extant subspecies. Peters (1979), Clements (2000), and Howard and Moore (2003) recognize <i>Anas strepera couesi</i>, now extinct.