Arctic wolves are smaller than their grey wolf cousins. Their compact bodies are designed to hold in as much heat as possible in their frigid tundra home. Arctic wolves are top predators in the tundra ecosystem, hunting musk oxen, Arctic hares, and caribou. In this informative book, readers will learn about how Arctic wolves have specially adapted to live in this environment. They'll also learn about wolves' role and significance in the food web. Dynamic features and colorful photographs augment the text.