Not all dolphins live in the salty ocean. River dolphins have adapted to life in freshwater rivers. In Asia, the Ganges River dolphin and the Indus River dolphin make their homes in those rivers throughout India, Bangladesh, Pakistan, and Nepal. Interesting, full-color photographs will captivate readers and accessible text will engage them as they learn about these dolphins’ unique adaptations, their watery habitat, and why they are in danger of extinction.

Not all dolphins live in the salty ocean. River dolphins have adapted to life in freshwater rivers. In Asia, the Ganges River dolphin and the Indus River dolphin make their homes in those rivers throughout India, Bangladesh, Pakistan, and Nepal. Interesting, full-color photographs will captivate readers and accessible text will engage them as they learn about these dolphins' unique adaptations, their watery habitat, and why they are in danger of extinction.

This book introduces dolphins, dugongs, and seals, describing their physical characteristics, eating habits, habitats, and endangered status.

This comprehensive book provides new insights into the morphological, metabolic, thermoregulatory, locomotory, diving, sensory, feeding, and sleep adaptations of Cetacea (whales and dolphins), Pinnipedia (seals, sea lions and walrus), Sirenia (manatees and dugongs) and sea otters for an aquatic life. Each chapter reviews the discoveries from previous studies and integrates recent research using new techniques and technology. Readers will gain an understanding of the remarkable adaptations that enable marine mammals to spend all or most of their lives at sea, often while hunting prey at depth.

Presents full-color photographs and illustrations of a wide variety of whales, dolphins, and other marine mammals around the world; and contains information on their habitats, physical characteristics, and behaviors.

This is the first comprehensive photographic guide to the marine mammals of the North American Pacific (from Baja California in Mexico to southeast Alaska), featuring stunning color photographs of all 39 species of whales, dolphins, and porpoises, as well as 6 species of seals and sea lions, and the sea otter. Provides detailed information on all 39 species of whales, dolphins, and porpoises, the 6 species of seals and sea lions, and the sea otter, focusing on identification, behavior, and distribution Includes 45 remarkable color plates showing typical views of marine mammals as most people see them--from land or from a boat. These have been produced using the latest digital image technology, and include photographs of some species that have never before been published Features a comprehensive section on behavior, packed with amazing photographs, which aims to help the reader get more out of their whale-watching experience than ever before Also includes detailed sections on where, when, and how to go whale watching, and four accounts by leading experts of outstanding days on the water Easy-to-use format helps whale-watchers identify any species they encounter, whether they are a beginner or an expert