Ages 7 to 9 years. Animals cannot use words to talk to one another, but they have many ways of communicating! Birds sing and dance, monkeys and some other mammals have warning cries, and cats and other animals use scent to mark their territories. Insects and some frogs use warning coloration to fool predators, and many kinds of animals use body language to warn other animals or show them affection. Some primates and dolphins are even able to communicate using sentences or more complex instructions. In How do animals communicate?, young readers will learn all of the fascinating ways that animals 'talk' to each other!