Attributes / relations provided by
♦ ¹Diving 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
♦ ²PREY OCCURRENCE IN THE STOMACH CONTENTS OF FOUR SMALL CETACEAN SPECIES IN PERU, IGNACIO GARCÍA-GODOS, KOEN VAN WAEREBEEK, JULIO C. REYES, JOANNA ALFARO-SHIGUETO AND MILENA ARIAS-SCHREIBER, LAJAM 6(2): 171-183, December 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