Theropod Arms(Smithsonian Magazine:2009) ^ Speculations about the Diet and Foraging Behavior of Large Carnivorous Dinosaurs James O. Farlow The American Midland
Associates. ^ Arnould, John P.Y.; Hindell, Mark A. (2001). “Dive behaviour, foraging location... preview & related info”. Canadian Journal of Zoology 79: 35–48
J. R. (1986) Foraging Theory. Princeton: Princeton University Press. Kamil, Alan C., John R. Krebs and H. Ronald Pulliam. (1987) Foraging Behavior, Plenum
species is of least concern de A. Gabriel, Vagner & Pizo, Marco A. (2005): Foraging behavior of tyrant flycatchers (Aves, Tyrannidae) in Brazil. Revista Brasileira