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Sumatran orang-utan belongs to Sumatran orang-utan. It is a mammal (ape). It has long arms and red fur. Also it likes a lot of fruits, leaves of trees and insects. It lives in the jungles, sometimes in trees. It is scared of losing their habitats, of cutting trees for selling. Their population is 40.000 orang-utans 100 years ago. 2016 year counted about 6000 orang-utans. You may teach people about orang-utans, to plant a lot of trees and to make a wildlife park.