Attributes / relations provided by
♦ 1WOOD SPECIFIC GRAVITY IN SPECIES FROM TWO TROPICAL FORESTS IN MEXICO, Josefina Barajas-Morales, IAWA Bulletin n.s., Vol. 8 (2), 1987 143-148
♦ 2del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 3Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009
♦ 4Las-Casas, F.M.G.; Azevedo-Junior, S.M.; Dias-Filho, M.M. 2012.
The community of hummingbirds (Aves: Trochilidae) and the assemblage of flowers in a Caatinga vegetation Brazilian Journal of Biology, v.72, p. 51-58
♦ 5Conserving Cracids: The most Threatened Family of Birds in the Americas, Edited by Daniel M. Brooks,
Miscellaneous Publications of The Houston Museum of Natural Science, Number 6 (2006)
♦ 6Feeding ecology of the Green-cheeked parakeet (Pyrrhura molinae) in dry forests in western Brazil, Ragusa-Netto, J., Braz. J. Biol., 67(2): 243-249, 2007
♦ 7DISTRIBUTION AND DRY-SEASON ECOLOGY OF PFRIMER'S CONURE PYRRHURA PFRIMERI, WITH A REAPPRAISAL OF BRAZILIAN PYRRHURA "LEUCOTIS", Fábio Olmos, Paulo Martuscelli & Robson Silva e Silva, ORNITOLOGIA NEOTROPICAL 8: 121-132, 1997