The Yasuní Biosphere Reserve (YBR) was declared by UNESCO at the request of Ecuador in 1989. It comprises the Yasuni National Park (1022.000 h) and the Waorani Ethnic Reserve (610,000 h). It is the largest protected tropical rainforest in the Western Amazon Basin
The Yasuní Biosphere Reserve (YBR) protects the heart of one of the richest biodiversity hotspots on the planet and one of the last pristine remnants of tropical forests in eastern Ecuador. These Rainforests contains about 4,000 species of plants and at least 204 species of mammal, including 13 species of primates, over 550 species of birds and over 382 species of fish.
It is home of the last hunters-and-gatherers of Ecuador: Taromenane and Tagaeri.