Achanakmar wildlife sanctuary was established in 1975 Under Wildlife Protection Act of 1972 and biogeographical province 4.8.4 (Indus-Ganges Monsoon Forest). Moreover the area of the sanctuary is 551.55 sq.km. Mainly hilly country. Altitude ranges from 200-1000m.Mainly tropical sal forest with other species at higher altitudes are the vegetation of this region.
Leopard, Gaur, Chital, Wild Bear, Tiger Panthera tigris, leopard, striped Hyaena, jackal Canis aureus, sloth bear Melursus ursinus, Indian wild dog Cuon alpinus, chital Axis axis, sambar Cervus unicolor, nilgai Boselaphus tragocamelus, four-horned antelope Tetracerus quadricornis, chinkara (mountain gazelle) Gazella gazella, blackbuck Antilope cervicapra, munyjac Muntiacus muntjak, wild boar Sus scrofa and others.