Storm-petrels (Hydrobatidae)

Madeiran Storm-petrel (Oceanodroma castro) - HBW 1, p. 269

French: Océanite de Castro German: Madeirawellenläufer Spanish: Paíño de Madeira
Other common names: Band rumped/Harcourt's Storm petrel

Taxonomy: Thalassidroma castro Harcourt, 1851, Desertas Islets, Madeira.
Four birds caught at sea in Gulf of Guinea noticeably larger with less white on rump, might belong to undescribed subspecies. Monotypic.

Distribution: E Atlantic from Berlengas Is (off C Portugal) and Azores S to Ascension I and St Helena; also in Pacific, off E Japan, on Kauai (Hawaii) and at Galapagos.