Many animals are able to send messages to each other. This is called communication. They may use their body to communicate. Monkeys, like this mandrill, can scream a warning, while many birds have their own special song. Some animals, such as beetles, use chemicals scents to send a message. Many animals communicate by smell: they release pheromones (airborne chemicals) to send messages to others. Pheromones play an important part in reproduction and other social behavior. They are used by many animals, including insects, wolves, deer, and even humans!
Bees dance when they have found nectar. The scout bee will dance in the hive, and the dance directs other bees to the location of the nectar. Chimpanzees greet each other by touching hands. Male fiddler crabs wave their giant claw to attract female fiddler crabs. White-tailed deer show alarm by flicking up their tails. Dogs stretch their front legs out in front of them and lower their bodies when they want to play. Elephants show affection by entwining their trunks. Giraffes press their necks together when they are attracted to each other. Gorillas stick out their tongues to show anger. Horses rub noses as a sign of affection.
Picture Credit : Google