Auditory communication is the sound an animal makes. They sound may be one that comes from
the animal, or it may be a sound an animal makes when it interacts with
an object.
Pump Up the Volume
 Male American alligators use a combination of sounds and displays to get the attention of females when they want to mate. An alligator roars, slaps his head against the water, taps the nose of the female, nudges her, and shoves up against her to get her attention.
Sound Reasons
 Some
animals have different vocalizations for different occasions. Coyotes are one of the noisiest animals in North America. They use a series of barks, yips and howls to mark territory and to let other coyotes know where they are. When a loon is defending its territory it will run across the water, flap its wings and use a vocalization called a tremolo.
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Were You Invited?
 Lots of animals will vocalize when an intruder comes too close to or invades their territory. You have probably heard a dog start barking when someone comes close to their house. Red squirrels will make a series of loud rattles, screeches and yips to warn off intruders.
Talk to the Animals
 The dolphin has a wide range of vocalizations. Some scientists think they have a language. Scientists are working to see if humans can communicate with dolphins. Each dolphin also has its own unique whistling sound that it uses to identify itself. Dolphins use sound or echolocation to locate food. They have sacs in their foreheads that they use to make clicking sounds. The sounds travel through the water and when they hit something, bounce back to the dolphin.
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Lots of animals will vocalize when an intruder comes too close to or invades their territory. You have probably heard a dog start barking when someone comes close to their house. Red squirrels will make a series of loud rattles, screeches and yips to warn off intruders.
The dolphin has a wide range of vocalizations. Some scientists think they have a language. Scientists are working to see if humans can communicate with dolphins. Each dolphin also has its own unique whistling sound that it uses to identify itself. Dolphins use sound or echolocation to locate food. They have sacs in their foreheads that they use to make clicking sounds. The sounds travel through the water and when they hit something, bounce back to the dolphin.
