Baby orangutans on the island of Sumatra are being captured and sold as pets, but charities are working to rescue the animals and confront the owners.

This is a series about the animals of Indonesia's Leuser rainforest and the people trying to save them. Leuser is one of the most biodiverse places on earth.

Part one of a five part series.

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Filmed, edited and produced by Charlotte Pamment

Reporter: Mehulika Sitepu, BBC Indonesia

Additional camerawork and production support by Shinta Retnani, Haryo Wirawan and Irendra Radjawali.

Find out more about why palm oil is so controversial.