<Pterodroma ultima Murphy,1949,in Mayr & Schüz(eds),Ornithologie als Biologische Wissenschaft,p.89. (Oeno Island,South Pacific)
marine & highly pelagicrarely approaching land except at colonies.Breeds on oceanic islands,occupying steep slopes with tussock grass or ferns,usually along coast but occasionally inland
"Starts Sept." (HBW,1,p.243)
Little known.Most birds apparently leave vicinity of colony after breeding..Some populations may be largely sedentary: e.g.birds are present around Amsterdam Island throughout year. Disperses over south Atlantic and Indian Oceans. Young birds ay wander more widely than adults.