
Gray wolves are a keystone species. Without them, many other animals and plants would be in danger of dying out. Readers of this fascinating book will learn exactly why these fierce hunters are such an important part of ecosystems. Eye-catching photographs bring readers face-to-face...

Gray wolves are a keystone species. Without them, many other animals and plants would be in danger of dying out. Readers of this fascinating book will learn exactly why these fierce hunters are such an important part of ecosystems. Eye-catching photographs bring readers face-to-face...