Abstract
Brazil is the country with the greatest diversity of psittacine birds, which are among the most threatened avian species in the country. Red-tailed Amazon parrot (Amazona brasiliensis), red-spectacled Amazon parrot (Amazona pretrei) and vinaceous Amazon parrot (Amazona vinacea) populations are considered threatened. The blue-fronted Amazon parrot (Amazona aestiva) is in the least concern …