A sea lion pup recognizes its mother's call, even with thousands of other noisy sea lions about. A vervet monkey shouts "ha-ha-ha" to warn of an eagle passing overhead. A peacock fans its colourful tail feathers in a silent but impressive display to entice a peahen. Whether it's to attract a mate, warn of predators or mark their territory, animals share information in some extraordinary ways. Containing lots of interesting facts, activities and easy-to-do...