Anarticle declared in the open-access monthly plos ONEfinds that bats word sounds that are above the christly thresholdof pain. . If alterum recall rock concerts are loud, she must heed the bats. Researcher annemarie Surlykke (Institute as to biology, sdu, Denmark) andher assistant elisabeth Kalko (university of Ulm, germany) investigatedthe patterns and operation of echolocation toward 11 species ofinsect-eating tropical bonkers from panamá.