Communication and Perception
All primates have complex patterns of communication. Gorillas are known to use vocalizations to communicate with one another. Tactile communication, in the form of grooming, play, and sexual contact, also occurs. Males emit a strong odor when stressed, which appears to function as a type of chemical communication. In addition to these, gorillas use body postures and facial expressions, as well as other visual signals, to communicate with one another.
Communication Channels: visual ; tactile ; acoustic ; chemical
Perception Channels: visual ; acoustic
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