"Er . . . just a quick question . Why would other bats need to be able to receive and interpret this new sonar-producing capability ? Bats use their sonar as echo-location , not as a means of communication with others , do n't they ? Does this reveal a hole in your thinking ? Smiley"
"sonar is more than that ; it 's a method of communication . http : //dsc.discovery.com/news/briefs/20041025/bat.html Whenever females heard sonar sounds from another female , they would call less frequently , likely to tune in to what the other female was communicating . According to the researchers , female bats interact mainly with other females in complex hierarchies during their lives , so that could be why they take more of an interest in echolocation sounds from their own sex . ..... She told Discovery News , `` The connection of the two studies is in the idea that bat communication is more complex than previously documented , since research is finding a variety of social calls to be communicating territory defense and mate attraction , as well as sonar calls , previously thought to only function in prey capture and navigation , to also have a communication role. ``"
"Er . . . just a quick question . Why would other bats need to be able to receive and interpret this new sonar-producing capability ?"
"sonar is more than that ; it 's a method of ``"