By chirping.
Insects communicate with each other by sensory.
I do not know how Jaguars communicate with each other. They might growl or purr.
Because the earliest users were "bird brained," and therefore made twittering sounds to each other to communicate.
They communicate with each other through Canalicili Extensions.
Penguins communicate by touhing each other, or feeling each other
To communicate with their young cheetahs made chirping sounds like those of a bird and they yelp like dogs to warn each other.
They decide to bird-whistle to each other through mockingjays
they hit each other
Salamanders communicate with each other by visual ways. They also secrete a chemical that other salamanders can smell as a way to communicate.
They communicate with each other by sharing their ideas and maybe talk about their experiments together or writing to each other
Pill Bugs release chemical messages in the air to communicate with each other.
by talking to each other