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
Bridge River Country refer to the Bridge River as the "West Cariboo" but this never caught on. Though essentially consisting of the basin of the Bridge River and its tributaries, the Bridge River Country includes the communities of D'Arcy, McGillivray Falls, Seton Portage and Shalalth, which lie in the valley of Seton and Anderson Lakes and the Gates River just to the south, are also considered to be part of the Bridge River Country, and also simultaneously of the Lillooet Country. After the 1930s the term "Bridge River-Lillooet" came into currency as a result of the chosen masthead of the fledgling Bridge River-Lillooet