The Indochinese gray langur[1] (Trachypithecus crepusculus) is a species of Lutung native to Southeast and East Asia.
- The Indochinese gray langur’s body and tail are light bluish-gray, with ventral fur ranging from silver-gray to white.
- The facial skin is dark gray with lighter pigmentation in a ring around the eyes and patches of unpigmented skin in the middle of the lower and upper lips.
- They have a thick crest on their heads and a long tail of about 83 centimeters.
- Males and females of this species are similar in size, weighing between 6.4 and 7.1 kilograms and having a head-to-body length of around 51 centimeters.
- Females have a distinctive “pudenda” of white fur and pale skin in front of the callosities.
