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- Medium-sized duck.
- Male with dark reddish head and buffy crown.
- Gray sides.
- Black rear end bordered by white.
- Large white patch in wings.
Immature DescriptionSimilar to adult female.
Relative Sizebetween crow and goose
- Both Sexes
- Length: 16.5-20.5 in (42-52 cm)
- Weight: 17.6-33.5 oz (500-950 g)