ASIA - There are four distinct subspecies of purple-faced langur: Southern lowland wetzone purple-faced langur (Trachypithecus vetulus vetulus), Western purple-faced langur or north lowland wetzone purple-faced langur (Trachypithecus vetulus nestor), Dryzone purple-faced langur (Trachypithecus vetulus philbricki), and Montane purple-faced langur or Bear Monkey (Trachypithecus vetulus monticola).
Gee's golden langur (Trachypithecus geei), or simply the golden langur, is an Old World monkey found in a small region of western Assam, It is one of the most endangered primate species of India. Long considered sacred by many Himalayan people, the golden langur was first brought to the attention of science by the naturalist E. P. Gee in the 1950s. The golden langur has a black face and a very long tail. The coat of the adult golden langur ranges from cream to golden.
Nilgiri Marten: The Nilgiri Marten is the only species of marten found in India and is mostly found in the hills of the Nilgiris and Western Ghats. The arboreal Nilgiri Marten occasionally descend from the trees to prey on birds, small mammals and insects. The Nilgiri marten is one of the largest and rarest Indian animal,with a body length of 55 to 65 cms. Periyar Tiger Reserve is the home for a large population of Nilgiri Marten.