off Kamchatka, east Russia.
May represent offshoot of ancient N Hemisphere stock of great albatrosses (Diomedea). Recent evidence indicates that populations on Torishima and in Senkaku Is possess ecological and morphological differences, and show molecular sequence divergence “greater than that recognized between other sister-species of albatross”#R. Monotypic.
N Pacific Ocean, breeding on Torishima I (in Izu Is), off SE Japan, and on two of the Senkaku Is (in S Ryukyus); has bred occasionally on Midway Atoll#R. Formerly much more widespread in NW Pacific, E to Bonin Is.
Food and feeding
Status and conservation
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