Storm-petrels (Hydrobatidae)

Ashy Storm-petrel (Oceanodroma homochroa) - HBW 1, p. 271

French: Océanite cendré German: Kalifornienwellenläufer Spanish: Paíño Ceniciento

Taxonomy: Cymochorea homochroa Coues, 1864, Farallon Islands, California.
May form superspecies with O. monorhis and O. leucorhoa. Monotypic.

Distribution: Bird I, Farallon Is and Channel Is, off California (USA), S to Coronados Is (Mexico).