Brownish elaenia the Xingu River in the south of Pará state, North Region, Brazil; it ranges upstream on the Xingu for 700 km, then a tributary to the west of the Xingu, the Rio Iriri, for another 700 km. The next upstream tributary for the bird's range, is the Madeira River in the Amazon Basin's southwest, Amazonas state. The range proceeds 2400 km upstream into the headwaters of the Madeira in northern Bolivia. To the west the brownish elaenia's range continues as the Amazon River becomes the Marañón River and proceeds to the headwaters in northern Peru; this is also along the
Tapajós-Xingu moist forests These include osprey ("Pandion haliaetus"), harpy eagle ("Harpia harpyja"), channel-billed toucan ("Ramphastos vitellinus"), little chachalaca ("Ortalis motmot"), nine tinamou species (Crypturellus and Tinamus genera), seven macaw species (Ara genus) including hyacinth macaw ("Anodorhynchus hyacinthinus"), many parakeets (Aratinga, Pyrrhura and Brotogeris genera), parrots (Amazona and Pionus genera) and hoatzin ("Opisthocomus hoazin"). Endangered birds include the green-thighed parrot ("Pionites leucogaster") and red-necked aracari ("Pteroglossus bitorquatus"). The World Wildlife Fund classes the ecoregion as "Vulnerable". The Tapajós-Xingu, Xingu-Tocantins-Araguaia and Tocantins-Pindara moist forest ecoregions on the eastern edge of the Amazon basin have all been badly affected by human settlement and deforestation. Roads have