Attributes / relations provided by
♦ ¹DIET AND FEEDING BEHAVIOR OF FIN AND BRYDE'S WHALES IN THE CENTRAL GULF OF CALIFORNIA, MEXICO, Bernie R. Tershy, Alejandro Acevedo-G., Dawn Breese and Craig S. Strong, Rev. Inv. Cient. Vol. 1, UABCS, 1993
♦ 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.