Attributes / relations provided by
♦ ¹del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ²Keitt, B.S., Tershy, B.R. & Croll, D.A. 2000. Black-vented Shearwater (Puffinus opisthomelas) In: Poole, A. & Gill, F. (Eds). The birds of North America. No. 521. Philadelphia & Washington, DC: Academy of Natural Sciences & the American Ornithologists’ Union.