Anthony B. Rylands, Gabriella Fredriksson, Russell A. Mittermeier and Serge Wich

A photo of Pongo tapanuliensis, identified as a new species of orangutan is shown, found on the Indonesian island of Sumatra where a small population inhabit its Batag Toru forest. Credit: Andrew Walmsley/Handout via Reuters

A New, Endangered Species of Orangutan Found in Indonesia

Anthony B. Rylands, Gabriella Fredriksson, Russell A. Mittermeier and Serge Wich 03/11/2017

The total remaining population of the newly-discovered Tapanuli orangutan...