- Large dabbling duck.
- Body dark brown.
- Head and neck lighter brown.
- White underwing linings contrast sharply with dark body in flight.
- Greenish blue at back of wing.
Immature DescriptionSimilar to adult.
Relative Sizebetween crow and goose
- Length: 17.3-24.0 in (44-61 cm)
- Weight: 20.8-48.7 oz (590-1380 g)
- Wingspan: 33.5-35.4 in (85-90 cm)
- Wingspan: 31.5-33.5 in (80-85 cm)