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♦ 1Kattge, J. et al. (2011b)
TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 2Feeding ecology of two Cacicus species (Emberizidae, Icterinae), Marco Aurélio Pizo, Ararajuba 4(2):87-92
♦ 3Abundance, habitat use and diet of Callicebus nigrifrons Spix (Primates, Pitheciidae) in Cantareira State Park, São Paulo, Brazil, Leonardo C. Trevelin; Marcio Port-Carvalho; Maurício Silveira & Eduardo Morell, Revista Brasileira de Zoologia 24 (4): 10711077, dezembro 2007
♦ 4DIET AND FLOCK SIZE OF SYMPATRIC PARROTS IN THE ATLANTIC FOREST OF BRAZIL, Marco Aurélio Pizo, Isaac Simāo & Mauro Galetti, ORNITOLOGIA NEOTROPICAL 6: 87-95, 1995
♦ 5del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.