The Dusky Leaf Monkey, Spectacled Langur, or Spectacled Leaf Monkey (Trachypithecus obscurus) is a species of primate in the Cercopithecidae family. It is found in Bangladesh, India, Laos, Malaysia, Myanmar, and Thailand.
There are several subspecies of this lutung:
Patients in training: Teaching Philadelphia Zoo animals to take part in their care is good medicine - for them and the keepers.
Sep 04, 2006; Byline: Sandy Bauers Sep. 4--When Ubi, a primate at the Philadelphia Zoo, got a skin rash, he faced an ordeal that could have...