How to Speak Animal Author:National Geographic Kids Animals talk to each other in so many cool ways, from sounding alarm calls to warm others about dangers, to mothers keeping track of their babies through smell and sound, to using special chemicals to leave messages from afar. This guide features more than 60 animals with detailed explanations about the surprising and incredible ways they commun... more »icate. Learn why prairie dogs have the most complex language of any nonhuman species, how scientists taught American Sign Language to great apes, how animals like cuttlefish and chameleons communicate using color and a lot more! This book is packed with cool info that will help humans better understand the behavior and amazing skills found throughtout the animal kingdom!« less