The Peruvian Amazon is the area of the Amazon rainforest included within the country of Peru, from east of the Andes to the borders with Ecuador, Colombia, Brazil and Bolivia. This region comprises 60% of the country and is marked by a large degree of biodiversity. Peru has the second-largest portion of the Amazon rainforest after the Brazilian Amazon.
The jungle of Peru contains long and powerful rivers such as the Apurimac, Mantaro, Amazon, Urubamba, Ucayali, Huallaga, Marañón, Putumayo, Yavarí, Napo, Pastaza, Madre de Dios, Manu, Purus, and Tigre. The Apurimac River is the source of the Amazon River. The Pacaya-Samiria National Reserve, the Allpahuayo-Mishana National Reserve and the Tamshiyacu Tahuayo Regional Conservation Area are within the forest.
The Peruvian Amazon jungle is one of the most biologically diverse areas on Earth. As a nation, Peru has the largest number of bird species in the world and the third-largest number of mammals; 44% of bird species and 63% of mammal species inhabit the Peruvian Amazon. Peru also has a very high number of species of butterflies, orchids, and other organisms.