A heavyset seabird with long, pointed wings, stout neck and head, and fairly long, pointed tail. It has short legs with large, webbed feet. The bill is long, heavy, and daggerlike.
Larger than a Great Black-backed Gull, smaller than a Northern Gannet.goose-sized or larger
- Both Sexes
- Length: 29.1-33.9 in (74-86 cm)
- Weight: 45.9-82.9 oz (1300-2350 g)
- Wingspan: 63.0 in (160 cm)