Malabar Giant Squirrel (Ratufa indica maxima): A rodent inhabiting the mixed deciduous and moist evergreen forests of Malabar region in South India. Tree dwelling and shy animal living solitary or in pairs. Builds large globular nests of twigs and leaves out of reach of predators. Feeds mostly on fruits, nuts, gum, resins and insects. Loss of habitat is causing their decline.
Nilgiri Langur (Presbytis johni): An endangered tree dwelling leaf monkey inhabiting the dense evergreen and Shola forests and western ghats in south India. Invades plantations occasionally. Females are smaller and have a white patch of hair on the inside of the thighs. One of the highly prosecuted monkeys for its fur and mythical medicinal values. Lives in small troops. Loss of prime evergreen forests for plantation is causing their decline.
Capped langur (Presbytis pileatus): Found In north east India, Bangladesh and North Burma. Lives in dry tropical deciduous forest and dense evergreen hilly forest. Arboreal in nature. Comes to the ground only in dry season for drinking water. Very shy animals. There is a cap of long erect coarse hair directed backwards. Eats buds, leaves and fruits. Breeds during winter. Longevity is 8 years.
Chimpanzee (Pan troglodytes versus): Found in West Africa, from Sierra Leone to west Guinea to river Niger. Lives in tropical rain forest, forest Savannah, deciduous woodlands in hilly country. Mostly arboreal (spending 50-75% of day time). Tree nests are built for sleeping every night above 15′ height from ground. Primarily vegetarian. Fruits, leaves, nuts, bark seeds and stems constitute its food. May also likes to eat termites and ants. Active during day time. Chimpanzees walk quadrapedally and bipedal standing to improve visual range. No stable groups. Temporary association groups ranging from 2-23 can be found. Groups communicate by loud calls. Gestation period is about 225 days. Only one young is born. Longevity is 30 to 38 years.
Video of Chimpanzee: