“The dawn duets between male and female gibbons are one of the most evocative sounds of the forest. Many gibbon species — including the cao vit gibbon — are sexually dimorphic, meaning that ...

What is the northern white-cheeked gibbon? Though they might look a bit like monkeys, northern white-cheeked gibbons are officially classified as apes. One easy way to tell the difference is that ...

The black crested gibbon is native to China, northern Vietnam, and Laos. They’re typically between 17-21 inches long and ...