Definition of black-capped petrel in English:

black-capped petrel

noun

  • A petrel, Pterodroma hasitata (family Procellariidae), native to islands in the Caribbean and now endangered, having a dark brown back and upper wings, white underparts, and a distinctive black cap.

Origin

Late 19th century; earliest use found in Elliott Coues (1842–1889), naturalist and historian.