- Large waterbird.
- Mostly white with dark wings and mottled back.
- Tail dusky.
- Whitish head, with thin dark streaking.
- Long, pointed, grayish bill.
- Long pointed tail.
- Long pointed wings.
- Dark face.
- Feet bright blue.
Immature DescriptionJuvenile dark all over with white belly. Pale at base of underside of wings.
Relative Sizegoose-sized or larger
- Both Sexes
- Length: 31.9 in (81 cm)
- Weight: 52.9-77.6 oz (1500-2200 g)
- Wingspan: 62.2 in (158 cm)