Each volume in Animal Marvels is filled with colorful, true-to-life illustrations, a wealth of valuable information, and startling facts about all types of animals. Each title also includes information-packed tables that are indispensable files to help young readers learn about and understand each species. A glossary, comprehensive index, and a detailed, full-color map of the world indicating where each species can be found complement the text.Sharks that eat their brothers and sisters while still inside their mother's womb Milk-producing pigeons The love songs of male whales and the dances they perform in time to their own music Fish that change sex in order to fill in for their departed partners Here's how these animals keep the world full of themselves