A large gadfly petrel with a pale white head and a distinctive dark eye-patch. Back is pale gray with darker outer wings, creating an “M” shape on the back. Look for stout black bill and flesh-colored feet. Breed on Antipodes and Auckland Islands in the New Zealand region and also on subantarctic Indian Ocean and Macquarie Islands. Forages between the subantarctic and Antarctic convergence zones. Three similar species: Soft-plumaged Petrel is smaller with gray-brown head and band on upper breast; Gray Petrel is larger with a smaller, darker head, a pale green bill, and a long neck; and pale morph Kermadec Petrel is smaller, lacks an eye patch, has darker upperparts, and shows white patches under the wing.