Made available in DSpace on 2018-12-11T16:49:29Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-10-01; Consejo Nacional de Investigaciones Científicas y Técnicas; Agencia Nacional de Promoción Científica y Tecnológica; Psittaciformes (parrots, cockatoos) are among the most endangered birds, with 31% of Neotropical species under threat. The drivers of this situation appear to be manifold and mainly of ant...