The red-shanked duoc (Pygathrix nemaeus) is one of the most colorful species of monkey in the world,
and is found in Vietnam, Cambodia and Laos. Photo: Mogens Trolle
The red-shanked duoc (Pygathrix nemaeus) is one of the most colorful species of monkey in the world,
and is found in Vietnam, Cambodia and Laos. Photo: Mogens Trolle