Thanks all agencies that supported the scientific research since 2005: Biodiversitas, Fundação O Boticário de Proteção à Natureza, SaveBrasil (affiliate to BirdLife International), Idea Wild. FAPERJ (to M.A.S.A., process number E-26/102837/2012) and CNPq for fellowships granted to F.G.C. (process number 148581/2010-2) and M.A.S.A (process number 308792/2009-2). CEMAVE and ICMBio for the licenses provided (1237 and 15378, respectively). We especially thank all the team members from the Ecologia de Aves Lab (Rio de Janeiro State University) who helped in the fieldwork.