Genetic variability of Spix's (Cyanopsitta spixii) and Lear's macaws (Anodorhynchus leari): implications for their captive international breeding programs and their conservation - Presti, Flavia Torres; Oliveira-Marques, Adriana Ribeiro; Barros, Y M; Otto, Paulo A; Miyaki, Cristina Yumi (International Ornithological Congress, 2010)