RED-SHANKED DOUC LANGUR Pygathrix nemaeus Geographic Distribution and Habitat Of the three douc langur species—gray-shanked, black-shanked, and red-shanked—the red-shanked douc langur is the only one recorded in three countries of Indochina: Vietnam, Laos, and Cambodia. They live in evergreen, semi-evergreen, and limestone forests up to 5,200 feet (1,600 m) and spend most of their time
