Source: SC Psychological Enterprises Ltd. When a dog growls it is sending a message. The main message is "I feel threatened, but I will defend myself if you come closer. Back off!" If a dog is acting ...

University of Victoria (UVic) biologists have discovered that even closely related fish species make unique and distinctive sounds and determined that it's possible to differentiate between the sounds ...

Many animals produce sound to communicate with each other, and bats are no exception. But bats are extreme when it comes to sound production. Bats can produce a range of frequencies, also known as the ...