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The purple-faced langur is endemic to Sri Lanka and lives in tropical rain forests. It has a long tail and a dark face (purple/black) with black hair. It is an arboreal animal and is very shy. They eat leaves, fruits, flowers, and seeds. Due to rising temperatures in the future, this monkey will develop lighter color with grey hair. And the hair will become shorter and less dense because of the heat. His tail will become shorter because there will be no trees to swing on. Teeth and nails will become long and sharp to catch prey because it will be hard to find leaves, fruits, and flowers. Sharp teeth and claws will help in their defense too. His body will adapt to run fast.