![Bornean Orangutan (Pongo pygmaeus wurmbii) - 'Siswi' sawing a piece of firewood, Camp Leakey, Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia Stock Photo - Alamy Bornean Orangutan (Pongo pygmaeus wurmbii) - 'Siswi' sawing a piece of firewood, Camp Leakey, Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia Stock Photo - Alamy](https://c8.alamy.com/comp/W7PMMY/bornean-orangutan-pongo-pygmaeus-wurmbii-siswi-sawing-a-piece-of-firewood-camp-leakey-tanjung-puting-national-park-borneo-central-kalimantan-indonesia-W7PMMY.jpg)
Bornean Orangutan (Pongo pygmaeus wurmbii) - 'Siswi' sawing a piece of firewood, Camp Leakey, Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia Stock Photo - Alamy
Spy in the wild: Sawing Orangutan | This orangutan is 100% wild! Incredibly these intelligent apes have learned tool use by watching humans nearby… and 'borrowing' their tools!... | By BBC Earth | Facebook
![Bornean Orangutan (Pongo pygmaeus wurmbii) - 'Siswi' sawing a piece of firewood, Camp Leakey, Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia Stock Photo - Alamy Bornean Orangutan (Pongo pygmaeus wurmbii) - 'Siswi' sawing a piece of firewood, Camp Leakey, Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia Stock Photo - Alamy](https://c8.alamy.com/comp/W7PMN1/bornean-orangutan-pongo-pygmaeus-wurmbii-siswi-sawing-a-piece-of-firewood-camp-leakey-tanjung-puting-national-park-borneo-central-kalimantan-indonesia-W7PMN1.jpg)