Dusky Leaf Monkey

The Dusky leaf monkey (Trachypithecus obscurus), which is also known as the spectacled langur monkey and spectacled leaf monkey, is a very interesting looking creature. Large white circles ring each eye giving these adorable little primates the appearance of sporting eyeglasses, while a thatch of light fur also crowns its head. In addition to the white circles around each eye, the dusky leaf monkey also has white skin surrounding its mouth region and creamy white coloring on its stomach region. Most of the rest of this monkey's fur is a dark gray, although some subspecies have brownish fur. An adult male dusky leaf monkey weighs approximately 8.3 kilograms, which is about 18.3 pounds, and they grow to a length of approximately 675 mm or about 26.5 inches. The female dusky leaf monkeys weigh approximately 6.5 kilograms or 14.3 pounds and can grow up to 595 mm or 23.5 inches in length. For its size, the dusky leaf monkey has a very long tail. Its one name, langur, actually comes from a word in Hindu that means long tailed. Although the adult dusky leaf monkey is typically gray or brown in color, the babies are born a very bright orange or yellow.  After about six months, the baby's fur starts to turn gray, and by ten months, the young monkey has usually darkened to a gray or a brown, albeit a lighter shade than an adult. There are seven subspecies of dusky leaf monkey, with the main distinction between each being the monkey's coloring and also the range in which it lives. For instance Trachypithecus obscurus halonifer lives only on Malaysia's Penang Island and is brownish in color, while Trachypithecus obscurus seimundi can be found on Thailand's Pennan Island and possibly a few parts of eastern Thailand. The latter is also brown in color.