Areta, Juan Ignacio
Piacentini, Vítor de Q.
Haring, Elisabeth
Gamauf, Anita
Silveira, Luís Fábio
Machado, Erika
Kirwan, Guy M.
Funding for this research was provided by:
Consejo Nacional de Investigaciones Científicas y Técnicas
FAPESP (06/60300-4)
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Birdfair / Royal Society for the Protection of Birds Research Fund for Endangered Birds
BirdLife International