Nomascus leucogenys leucogenys
Gibbons swing through the forest using their long arms to hook over branches.
They are very social animals and often sing, particularly in the morning, to proclaim territory ownership.
Their songs make them easy to find by poachers. Gibbons are particularly in demand because of the illegal wildlife trade and for use in traditional medicine.
Zoo visitors shouldn't copy this singing and hooting as they will finding it threatening.
Where they live
Southern China, North Vietnam and Laos
What they eat
Fruit, leaves and insects