J. F. Gmelin, 1789,
Desolation Island = Kerguelen Island.
Often treated as conspecific with P. vittata. Up to six races variously accepted, but arrangement is highly disputed, and populations apparently form cline. Typically three subspecies have been recognized, with nominate desolata for Kerguelen and nearby populations, alter for Auckland Is, and banksi for Scotia Arc to South Georgia area; but birds of Heard I variously placed in any of these three races, and those of Macquarie I placed in nominate, alter, or separate race macquariensis. Pending clarification, it seems best not to recognize subspecies meantime#R#R. Treated as monotypic.
Southern Ocean, breeding on Scotia Arc, South Orkney Is, South Georgia and South Sandwich Is, on Crozet, Kerguelen Is, Heard I, Macquarie I and Auckland Is, and on Scott I (Antarctica).
Food and feeding
Status and conservation
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