For over a century, wolves were persecuted in the United States and nearly became extinct. Gradually reintroduced, they are thriving again in the West, much to the benefit of the ecosystem.

"Developed by literacy experts for students in kindergarten through grade three, this book introduces wolves and coyotes to young readers through leveled text and related photos"--

Deep in the Rocky Mountains, grizzlies and wolves constantly compete for food. This high-interest title examines the claws, teeth, and super senses that keep these apex predators at the top of the food chain. Readers will also witness a battle for food in an action-packed narrative scene. Who will take home the prize this time?-- provided by publisher.

"Why are dogs pets and wolves wild? How are they similar? How are they different? Find out with this new series of books! Dogs and wolves are different animals. Dogs are pets and live with people. Wolves are wild and live in nature. But these mammals do have some things in common, such as bodies covered in fur, and an incredible sense of smell. Get ready to discover a lot more about dogs and wolves - what they share and the many ways they are different!...

"In 1995, the gray wolf was reintroduced to Yellowstone National Park after a seventy-year absence. All these years later, we can clearly see the cascading effects this has had on the park's ecosystem. This is a spectacular example of a trophic cascade, the term used when an important member of an ecosystem goes missing and many other living things are indirectly affected, causing a chain reaction of events. In the case of the reintroduced wolves...