High Quality Content by WIKIPEDIA articles! Natural sounds include animal sounds, possibly also sounds of other natural phenomena. They may have contributed to or participated in the development of prehistoric music, and have important cultural references even nowadays. These are sounds made by animals to warn others, of their species, of impending danger. Similar "warning" sounds are made by those of any unique species when a predator is approaching that species' territory, warning others to seek safety. These are sounds, calls, or audible signals made by any one species to its own or any other species, establishing boundaries so like or unlike species will not transgress those boundaries. Male baboons make sounds heard for miles by other baboons, communicating to those other male baboons, the territory of that male baboon. The strength, volume, and timbre, inherent in that "call", determine whether or not rival males attempt to invade that male baboon's territory.

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