Beluga whales spend much of the year swimming in the chilly waters of the Arctic Ocean. How do they do it? Readers discover fascinating facts and details with this informative book about one of the most adaptive animals on Earth. Color photographs accompany the simple narrative as it describes the whales' diet, behaviors, and physical adaptations. Young explorers will find out how beluga whales communicate with each other, what they eat, and how they stay warm. This book concludes with an activity that shows the beluga whale's role in the Arctic food web.