Gibbon

Gibbon

Credit: © Zhao Chao, One-Time Use Only.

A mother gibbon with her baby in the forests of Vietnam.

Cheeky Gibbon

Cheeky Gibbon

Credit: © Terry Whittaker, One-Time Use Only.

An adult male northern white-cheeked gibbon (Nomascus leucogenys) found in northern Vietnam and Laos. The species is listed as endangered.

Yellow Cheeks

Yellow Cheeks

Credit: © Terry Whittaker, One-Time Use Only.

The yellow-cheeked gibbon (Nomascus gabriellae) is critically endangered and known from Vietnam and Cambodia.

Cambodia Clan

Cambodia Clan

Credit: Matt Hunt

In 2008, scientists with the Wildlife Conservation Society counted 2,500 yellow-cheeked crested gibbons in Cambodia's Seima Biodiversity Conservation Area, which is about the size of Yosemite National Park.

White Cheeks

White Cheeks

Credit: © Terry Whittaker, One-Time Use Only.

A southern white-cheeked gibbon (Nomascus siki) at the Endangered Primate Rescue Center, Cuc Phoung National Park, Vietnam.

Awww Fuzzy Baby!

Awww Fuzzy Baby!

Credit: © Zhao Chao, One-Time Use Only.

A baby gibbon learns the art of tree swinging.

Threatened Primates

Threatened Primates

Credit: © Zhao Chao, One-Time Use Only.

Crested gibbons like this one face risks from human activity, including habitat loss and hunting for pet trade.