The Great-winged Petrel is a large seabird with long wings and all-dark plumage. It breeds on Southern Hemisphere islands and disperses widely over the oceans outside the breeding season.
It has all-dark plumage, long wings, and a black bill. It is a large gadfly petrel that glides over the sea.
It feeds mostly on squid, along with fish and crustaceans. On islands it nests in burrows or in rock crevices, among roots, or beneath scrub.
An extinction-risk assessment has not been added yet.