Amazon river dolphin widespread river dolphins. They are present in six countries in South America: Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela, in an area covering about . The boundaries are set by waterfalls, such as the Xingu and Tapajós rivers in Brazil, as well as very shallow water. A series of rapids and waterfalls in the Madeira River have isolated one population, recognized as the subspecies "I. g. boliviensis", in the southern part of the Amazon basin in Bolivia. They are also distributed in the basin of the Orinoco River, except the Caroni River and the upper Caura River in Venezuela. The
Xingu (film) by about 370,000 spectators and has raised more than four million reals in box office. A television adaptation in four episodes was aired on Rede Globo between 25 and December 28, 2012. The story takes place in the 1940s when the Villas-Bôas brothers—Claudio (João Miguel), Leonardo (Caio Blat) and Orlando (Felipe Camargo)—start an exploratory expedition into the Xingu River. They make contact with the local tribes, learn to live in the rainforest, and persuade a reluctant government to found the Xingu National Park. Xingu (film) Xingu is a 2011 Brazilian drama film directed by Cao Hamburger and scripted by him,