Sonar isn't just used by submarines--many animals use it, too. Biosonar is a kind of sonar produced and used by animals such as dolphins. Readers discover the biology behind biosonar and are introduced to other animals that also have this amazing adaptation, including bats and shrews. Bright photographs of these animals are presented alongside a variety of fun facts and a helpful graphic organizer. Informative, engaging text touches on essential science curriculum topics, such as animal adaptations, predator-prey relationships, and the science of sound.