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♦ ¹FORAGING ECOLOGY OF PARROTS IN A MODIFIED LANDSCAPE: SEASONAL TRENDS AND INTRODUCED SPECIES, GREG D. MATUZAK, M. BERNADETTE BEZY, AND DONALD J. BRIGHTSMITH, The Wilson Journal of Ornithology 120(2):353–365, 2008
♦ ²Toledo, MCB. and Moreira, DM., 2008. Analysis of the feeding habits of the swallow-tailed hummingbird, Eupetomena macroura (Gmelin, 1788), in an urban park in southeastern Brazil Brazilian Journal of Biology, vol. 68, p. 419-426