Discover the captivating realm of marine mammals in this foundational handbook. Delve into their remarkable evolutionary adaptations, from deep-sea diving physiology to complex communication. This guide covers diverse species, including whales and dolphins, their anatomy, behavior, habitats, and diets. Essential for Indian students and enthusiasts keen on marine biology and conservation, it illuminates threats like pollution and climate change, along with vital research techniques for protecting aquatic life. Gain a comprehensive understanding of these ocean wonders.