Some aquatic animals are highly social, like dolphins, while others, like sharks, are mostly loners. Read all about how and why dolphins, whales, sea lions, and sharks communicate in the wild, what these different signals mean, and how humans study the language of ocean animals.

Introduces readers to the lives of dolphins. Simple text and colorful spreads make this book a perfect starting point for early readers.

This book takes readers on a journey under the sea to discover the fascinating facts about bottlenose dolphins, including physical features, habitat, life cycle, food, and more. Photos, captions, and keywords supplement the narrative of this informational text, while additional search tools--including a glossary and an index--help students locate and review important information.

Explores the similarities between dolphins and porpoises, and how to tell them apart. Discover how traits like body shape, nose size, and dorsal fin shape can be used to identify these underwater mammals. Additional features include a side-by-side comparison of the animals, an activity encouraging readers to demonstrate their knowledge, a phonetic glossary, sources for further reading, an introduction to the author, and an index.

Experience an underwater adventure! From sea dragons and octopuses to coral reefs and kelp forests, Undersea Encounters take young readers to the ocean depths like never before. More than any other series, Undersea Encounters paints a complete and fascinating picture of the marine environment.

Talkative and friendly, bottlenose dolphins are always up for some fun. They love playing tag and racing through waves. These dolphins form strong relationships with each other, often communicating with many different sounds. A group of dolphins will hunt, travel, and watch each other's backs. Learn more about these social creatures in this enthralling title for early readers.

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.