The Language of Animals

Kanzi the chimp, Koko the ape, singing whales, trumpeting elephants, and dolphins trained for naval service--all of them make the news each year. Members of these species learn to communicate both with their voices and with body language, and without the signals they develop, each would be an island, unable to survive on Earth. How much do we know about how animals communicate with each other or with humans? Scientific American Focus: The Language of Animals examines the sometimes subtle differe