Wildlife Biodiversity is of paramount importance to mankind as it is the storehouse of myriad types of ecosystem-resources that serve the vital needs-food, giber, fuel, fodder, medicines, etc. indispensable for human beings. It is of ecological, economical, aesthetic, scientific and recreational value and supplies a variety of 'ecosystem services'. However, various types of human activities annihilate the biodiversity in nature leading to their abandonment before their beneficial characteristics are discovered. Thus, these is an imperative need for the conservation of biodiversity in wilderness. This book includes various aspects of wildlife biodiversity spread over diverse parts including different protected areas-Wildlife Sanctuaries, national Parks, Tiger reserves and marine Biosphere Reserves of Indian Subcontinent, starting from Western Ghats (Mudumalai Wildlife Sanctuary, Kalakad-Mundanthurai Tiger reserve, Gulf of Manner Biosphere reserve and others) to Eastern Ghats, Debrigarh Wildlife Sanctury and Bhitarkanika Wildlife Sanctuary in the East, Bhagvan Mahaveer Wildlife Sanctuary and Mollem national Park and others in the West, and Keolodeo national Park, Sariska, and other protected areas in the North. The chapters of the book include fascinating first-hand information on diverse species, about 78 species of wild animals invertebrates-annelids and arthropods to Vertebrates-reptiles, birds and mammals) (Part -I of the Book) and about 500 species of wild plants (Medicinal herbs to trees) (part -II of the Book). This book will be of enormous interest and value to the students and teachers of colleges and universities, scientists of research centres and institutes, and professional as well as amateur wildlife biologists, ecologists, conservationists Officials of Forest Departments of State and central Government, and others with an interest on wildlife biodiversity and conservation.