Dhole of India, also known as the Indian Wild Dog, Cuon alpinus
Numerous wildlife species can be seen including elephants, gaur, water buffaloes, tigers, panthers, sloth bears, pangolins, Black-headed Orioles, crocodiles, Green Pigeons, civet cats, Dhole, Sambar and 31 groups of endangered lion-tailed macaques.
Other than the gibbons the wild life in the reserve reported are: Great Barbet (Megalaima virens); Grey-headed Parakeet (Psittacula finschii); grey leaf monkeys (Semnopithecus); Crab-eating Mongoose (Herpestes urva), tiger (Panthera tigris); smaller cats; Dhole (Cuon alpinus), bears (two types); otters; sambar (Cervus unicolor); and wild cattle (Gaur).
The film contains a famous scene in which Charu (Madhabi Mukherjee) sings Rabindranath Tagore's song "Fule Fule Dhole Dhole" on a swing, while looking at Amal (Soumitra Chatterjee).
Against the northern hillside are six larges enclosures for Dholes, Lions, Tigers, Barbary sheep, Nubian Ibexes and Hartmann's Mountain Zebras respectively.
These forest enclaves provide habitat to several at risk and endangered species, including the Bengal tiger (Panthera tigris), gaur (Bos gaurus), dhole (Cuon alpinus), sloth bear (Melursus ursinus), chousingha (Tetracerus quadricornis), and blackbuck (Antilope cervicapra).