Canids, or dogs, are one of the most successful animal families on Earth! More than 30 wild species are found around the world. Over 340 breeds of domesticated dogs make loving pets. Readers will find fun, fact-filled text and captivating design in this hi-lo title about the dog family. Features highlight adaptations that have helped dogs become successful animals, a full-spread family tree, species range maps and profiles, and size comparison charts. Readers will be howling over this title!