Attributes / relations provided by
♦ ¹Diet composition of sailfish (Istiophorus platypterus) from the southern Gulf of California, Mexico, José Rosas-Alayolaa, Agustín Hernández-Herrera, Felipe Galvan-Magaña, L. Andres Abitia-Cárdenasa and Arturo F. Muhlia-Melo, Fisheries Research Volume 57, Issue 2, August 2002, Pages 185-195
♦ ²Diving behavior of blue-footed boobies Sula nebouxii in northern Peru in relation to sex, body size and prey type, Carlos B. Zavalaga, Silvano Benvenuti, Luigi Dall’Antonia, Steven D. Emslie, MARINE ECOLOGY PROGRESS SERIES 336: 291–303, 2007
♦ ³Species- and sex-specific differences in foraging behaviour and foraging zones in blue-footed and brown boobies in the Gulf of California, Henri Weimerskirch, Scott A. Shaffer, Yann Tremblay, Daniel P. Costa, Hélène Gadenne, Akiko Kato, Yan Ropert-Coudert, Katsufumi Sato, David Aurioles, Mar Ecol Prog Ser 391: 267–278, 2009