San Nicolas Island, Cape Verde Islands.
Until recently, considered conspecific with P. mollis and P. madeira; moreover, in HBW the form deserta (see that species) was treated as a synonym. Recent molecular studies indicate that present species may be closely related to P. cahow and P. madeira, and also that all three, as well as P. hasitata, merit species status#R. Subsequent genetic analyses suggest that present species, P. deserta and P. madeira may form a clade#R. Monotypic.
Atlantic Ocean, breeding in Cape Verde Is.
Food and feeding
Status and conservation
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