Remember when you see our Sumatran orangutans in Monsoon Forest that the survival of this beautiful species is critically endangered. Without continued conservation work it could become the first Great Ape to become extinct in the wild.

Visiting us is just one way you help support our work in the wild to ensure the survival of these graceful, intelligent apes. Their biggest threat in the wild is the loss of their habitat to palm oil plantations.

We're at the forefront of the battle to save them. Our conservation work in South East Asia helps field workers in Sumatra to restore the forest in which they live.

In the past, much of it has been destroyed for logging and agriculture development. There are now thought to be between 6,500 and 14,600 of these apes remaining.

Dedicated teams are teaching local communities how they can introduce and maintain vital conservation projects for the apes and other irreplaceable wildlife species on Sumatra.

Orangutans are the only non-African Great Ape. They once lived all over Asia but now only exist on Sumatra and Borneo.

Sumatran orangutans differ from their Bornean relatives in a number of ways. Sumatran orangutans are a lighter orange – cinnamon colour and are more slender in build. In male Sumatran orangutans, they have flatter check flanges (cheek pads).

You'll be amazed by the agility and beauty of our Sumatran orangutans, like sisters Subis and Emma, who were born here in 1986 and 1987.

All our orangutans are on the European Endangered Species Breeding Programme, a carefully managed scheme overseeing the breeding of zoo animals in different countries and we're really proud of our successful breeding record.

Puluh, our spectacular male, has fathered seven, including Indah, born in 2008, Tripa in October 2012 and Tuti, born in December 2012 to mum Subis.

Help us to do everything we can to protect the future of this amazing species.

Find out more about our work with orangutans here

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Interesting facts

IUCN Status: Critically Endangered

Where they live:  Island of Sumatra, Southeast Asia

Habitat: Tropical and subtropical moist broadleaf forests in the lowlands as well as mountainous areas up to an elevation of 1500m.

Size: Up to 1.4m tall.

Weight: Up to 90kg

Threats:  Widespread habitat loss for agricultural development, particularly for palm plantations. Habitat destruction and fragmentation caused by logging. Severe droughts and loss of habitat to forests fires due to increasing incidence of the El Niño climatic event. Hunting for the bushmeat trade, traditional medicine, or the pet trade