Robert HardingThese endangered primates use sophisticated tools and have a great capacity for learning. Found only in Sumatra and Borneo, they are extremely solitary animals who spend much of their time in the trees. We chose some of our favourite photos of Orangutans from the archive.
Bornean orangutan, Borneo (Mint Images/Robert Harding)
Orangutan mother and 6-month old baby in captivity, Rio Grande Zoo, Albuquerque Biological Park, Albuquerque, New Mexico (James Hager/Robert Harding)
Mother and baby Sumatran orangutan swinging through the forest, Bukit Lawang Orangutan Rehabilitation station, Sumatra, Indonesia (Michael Runkel/Robert Harding)
Bornean orangutan, thoughtful-looking female, portrait (imageBROKER/Robert Harding)
Orangutan mother and baby eating (moodboard/Robert Harding)
See more photos of Orangutans here.