Maui, Hawaiian Islands.
Sometimes treated as a race of P. puffinus. Usually considered conspecific with P. auricularis, but slightly larger and with longer tail, for which effect size (from published data#R) 3.29 (score 2); no grey flecking on throat sides, so that dark head pattern appears cleaner-cut (1); bolder, squarer dark mark on neck side (2); undertail-coverts white vs white-edged grey (2); darker upperparts (ns). Until recently also considered conspecific with P. myrtae, a taxon that prior to this was usually placed in P. assimilis. Monotypic.
C Pacific Ocean, breeding on islands of Lehua (off N Niihau), Kauai, Molokai and Hawaii, and possibly also on Oahu, Maui and Lanai#R, in Hawaiian Is.
Food and feeding
Status and conservation
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