Anup Shah / Douc langur parent with baby {Pygathrix nemaeus} occurrs Vietnam - captive

Anup Shah / Douc langur monkey holding baby. Endangered species native to Vietnam

Anup Shah / Douc langur monkey family group. Endangered species native to Vietnam

Anup Shah / Douc langur monkey with baby. Endangered species native to Vietnam.

Pete Oxford / Douc langur {Pygathrix nemaeus} occurrs in Laos and Vietnam

Anup Shah / Douc langur with young {Pygathrix nemaeus}

Rod Williams / Head portrait of male Douc Langur, endangered species occurs Vietnam

Rod Williams / Head portrait of male Douc Langur, endangered species, occurs Vietnam

Cyril Ruoso / Red-shanked Douc langur (Pygathrix nemaeus) adult male portrait, Vietnam

Cyril Ruoso / Red-shanked Douc langur (Pygathrix nemaeus) adult females and juvenile on tree branch, Vietnam

Cyril Ruoso / Red-shanked Douc langur (Pygathrix nemaeus) adult male and female, Vietnam

Cyril Ruoso / Red-shanked Douc langur (Pygathrix nemaeus) small group in canopy eating young leaves, Vietnam