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
American River biodiversity of the American River. The American River is utilized for a variety of recreational uses. Locals and travelers alike use the river’s scenic landscape for bird watching, hiking, biking, fishing, river rafting, kayaking, and more. Although the American River allows small motor boats for part of the year, it remains free from speed boats or boats that use fuel, which makes it a clean, biodiverse river that people can safely swim in and do other recreational activities in. The American River is specifically known for its whitewater rafting. The South Fork has Class III rapids, the Middle Fork has