A large, heavy-bodied seabird with broad wings. Breeding adults have long, twisted, spoon-shaped central tail feathers.
It has a heavy body, broad wings, and large white wing flashes. Breeding adults have twisted, spoon-shaped central tail feathers.
It feeds mainly on lemmings at its breeding grounds. During the rest of the year it lives at sea and may chase other seabirds to steal food.
An extinction-risk assessment has not been added yet.