How do animals survive in large groups? What does life look like for animals in a herd? Read this book to find out! Readers will travel the world to meet schools of fish, massive murmurations of starlings, and herds of Arctic oxen. Students will learn about the structure of different herds, parental control, keeping order, leaders, temporary gatherings, breeding colonies, and more. Stunning photography introduces individual animals, and a handy glossary helps to expand readers' vocabulary. For more information on the daily lives of animals, check out other titles in the Animals at Work series!