Animal Communication (Animal Behavior), 1st Edition by Stephen M. Tomecek

By Stephen M. Tomecek

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Extra resources for Animal Communication (Animal Behavior), 1st Edition

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This means that many animals can receive a message at one time, without having to see who is making the sound. Sounds travel faster than chemical signals. They also travel under water. Even animals that live underground can communicate using sound. To understand how sounds work in animal communication, it is important to first examine what sound is and how it travels. The Science of Sound Sound is a form of mechanical energy. Energy makes things move. Whenever a sound is made, something has to move or vibrate.

In the animal kingdom, few forms of communication can rival the displays carried out by animals looking to mate. Both males and females use this type of communication, but more often than not, it’s a male who starts the process. A mating display serves several purposes. First and foremost, it is designed to attract a member of the opposite sex. Once a potential mate shows interest, the animal making the display will then “strut his stuff,” showing off just how much stronger or how talented he is.

A vibration happens when an object moves back and forth in a regular pattern. When you pluck a string on a guitar 47 48 AnimAl communicAtion or hit a cymbal with a stick, the string or cymbal vibrates and produces sounds. When a person speaks, his or her vocal chords vibrate. When a cricket rubs its legs together and an elephant forces air through its trunk, vibrations occur, too. Every sound that happens in the animal kingdom is the result of something vibrating. A sound moves out from its source in a series of energy pulses called sound waves.

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