Deep in the forests of North Sumatra, Indonesia, lives the Tapanuli orangutan (Pongo tapanuliensis), the world's rarest great ape. Fewer than 800 individuals remain, confined to the Batang Toru ecosystem, a landscape that is also home to other rare species like Sumatran tigers, Sunda pangolins, ...
Source: [Phys.org](https://phys.org/news/2026-08-multiple-threats-endanger-world-rarest.html)