In this unique series, you will learn the recovery stories of threatened animal species from around the world. Explore the dangers each species faces and meet the dedicated people working to protect animals and their habitats. Discover the challenges, failures, and ultimate success of each inspiring journey to bring a species back from the brink of extinction. The only remaining wild population of whooping cranes breeds in Canada and spends its winters in the United States. Explore the fascinating story of its recovery-a tale of cross-border cooperation and the work of a team of international biologists. A code inside the back of this book gives you access to videos and activities about the conservation of animals and ecosystems at www.crabtreeplus.com/animals-back-brink Book jacket.