A large seabird of tropical oceans around the world. Adults have a brown back and white belly; they dive for fish and squid and breed in colonies on islands.
Adults have dark brown backs and tails, white bellies and central underwings, pale bills, and yellow feet. Juveniles are mostly brown, with a less white belly.
It nests on the ground on islands and eats fish and squid. It searches over the sea, then dives to catch prey; both parents share incubation and care of the chicks.
An extinction-risk assessment has not been added yet.