Apes

The Abbot's gray gibbon, also known as a western gray gibbon, is an acrobatic primate of the gibbons' family, Hylobatidae. Abbott's gray gibbons are very small and light. The Abbott's gray gibbon was named after zoologist William Louis Abbott.

Agile gibbons, also known as dark-handed or black-handed gibbons, are arboreal monkeys; they are always in the trees. Agile gibbons belong to the great ape family. However, they are categorized as lesser apes because they are smaller than great apes.

The black-bearded saki is a species of bearded saki, a species of New World monkey, one of the five remaining monkeys of its kind. Another striking feature is its signature beards. This species prefers primary rainforest, where lush tree canopies provide a relatively safe area out of sight and out of reach of several predators.