The book is written in a lucid style. In section-I, it reviews the trend of malaria in last three decades, a review of the anuran fauna, and a review on the traditional hunting in Indonesia, This section also covers topics on bio-diversity of termites, biomonitors of pollution in freshwater; fish toxicity; population study of ranine amphibians in Jammu Shiwaliks; ecology and community structure of birds in Goa; Conservation of proboscis monkey in Australia; evaluation of tourism facilities in Dudhwa National Park and Tiger-reserve; and environmantal impact of tourism on Gir National Park. Status and ecology of Sangai in India and Rusa Timor on Indonesia has also find a place in this section. Section-II on animal reproduction includes important aspects of bio-accumulation of pollutants in the different developmental stages of gastropod molluscs; hypothalamo-neurosecretory systems in a marine teleost; ciproflaxin toxicity induced in the gonads and associated ducts in rats in rats and alleviation of oxidative stress in the epididymis of experimental animals. We have tried our best to bring out this book incorporating standard topics and up-to-date information on various aspects of animal life written by eminent teachers and scientists to cater the requirement of large number of students and scholars in India and abroad.