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.
♦ 2FEEDING HABITS OF THE AMERICAN CROCODILE, CROCODYLUS ACUTUS (CUVIER, 1807) (REPTILIA: CROCODYLIDAE) IN THE SOUTHERN COAST OF QUINTANA ROO, MEXICO, Alejandro VILLEGAS1 y Juan Jacobo SCHMITTER-SOTO, Acta Zoológica Mexicana (n.s.) 24(3): 117-124 (2008)