Donkeys have developed very loud vocalizations, which help keep in contact with other donkeys over the wide spaces of the desert.

Bulls have a loud vocalization consisting of screams known as bugling, which can be heard for miles.

This loud vocalization is used by chimpanzees at apparently any opportunity where they feel it is appropriate to express their excitement.

During antagonistic behavior, individuals maintain spacing with wrists/thumbs sparring, bites, and loud vocalizations.

They each have an enlarged basihyal or hyoid bone which helps them make their loud vocalizations.

The Rabbids' main mode of offense is a loud vocalization called the "Bwaaaah!

Because of their loud vocalization, it is thought the howler monkeys are shamans, and thus pose spiritual hazards as well.

Although territorial defense is mostly composed of loud vocalizations there are instances of actual physical combat.

At the same time loud vocalization is used by many species to scare away predators and competitors.

Both brilliant male colors and loud vocalizations are the result of sexual selection.