Isla San Benito, Baja California, Mexico.
Traditionally treated as conspecific with P. sandwichensis, P. guttatus and P. rostratus, and apparently most closely related to P. guttatus, but all differ in morphology and plumage and, to some extent, in ecology; present species almost certainly reproductively isolated from those, and separation at species level supported by recent molecular findings. Monotypic.
San Benito Is, off CW Baja California, in extreme NW Mexico.
Food and feeding
Status and conservation
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