Orangutans are a semi-solitary species, rarely interacting as adults. But wild orangutan Sony has been seen helping his younger brother navigate the canopies whilst their mother is not around - an extremely unusual interaction!
Orangutans in water
A recent newspaper article about orangutans in water encouraged us to dig out some old pictures taken of orangutans in water. Some go as far back as 1986. We thought we'd share them with you.
Orangutan wading through swamp water
The photo below was taken earlier in the year and is of a female orangutan called Siswi.