Tuatara: Volume 21, Issues 1 and 2 (New Zealand Albatrosses and Petrels: an Identification Guide)
36. Gould's Petrel — (Pterodroma leucoptera leucoptera) — Plate 15
36. Gould's Petrel
(Pterodroma leucoptera leucoptera)
Field Characters: 53/28. A small, very dark-backed gadfly petrel with white face and white underparts. Forehead lightly mottled, lores and cheeks conspicuously white contrasting sharply with the black eye patch, crown and sides of neck. Mantle and back pale grey in fresh plumage, darkening rapidly with wear. Upperwing brownish-black with a black open ‘M’ marking across the wings and back. Underbody, including undertail coverts white. Underwing white, with a fairly broad black leading margin, extending from the carpal joint diagonally over the white inner underwing coverts for a short distance.
Bill black; feet pale lilac-blue with brown extremities.
Differs from other Cookilarias by its conspicuously dark uppersurface.
Flight as for other small gadfly petrels. Does not follow ships.
Breeds Cabbage Tree Island, New South Wales, and disperses widely in the Tasman Sea.