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) Xingu (film) Xingu is a 2011 Brazilian drama film directed by Cao Hamburger and scripted by him, Elena Soárez and Anna Muylaert. Starring João Miguel, Felipe Camargo and Caio Blat, the film tells the Villas-Bôas brothers trajectory from the moment in which they joined the Roncador-Xingu expedition, part of the Westward March of Getúlio Vargas, in 1943. It was shot in Tocantins, Xingu National Park, and in the Greater São Paulo. The film was exhibited for the first time in 2011, at the 8th Amazonas Film Festival. The official premiere took place on April 6, 2012. The film was watched