Assam occupies an important position on the global biodiversity map. Nestled in the Indo-Burma and Himalayan biodiversity hot spots, the state has more than 800 species or nearly three-fourth of all the bird diversity in India. Assam also has the second highest number of mammals and is known for its high reptilian diversity. Besides, the state has a wide variety of habitats ranging from tropical wet evergreen rain forest and wet savanna grassland of the Brahmaputra Valley to the subtropical forests of the Barails. The state is also home to a globally distinctive population of wild elephant, tiger, great Indian one-horned rhinoceros, wild water buffalo, swamp dear, pigmy hog, golden langur, hoolock gibbon as well as white-winged wood duck, Bengal florican and black-breasted parrotbill. Over the years, mainly due to the increase in human population, the wildlife habitat has shrunk and also got fragmented. The book is an attempt to throw light objectively on all the challenges facing nature and wildlife. The book will cater to the needs of a broad section of readers, including tourists who could have a better appreciation of Assam?s rich wildlife