While they’re quite singing during mating, it’s impractical you to definitely cougars roam regarding in the open “yelling,” just like the depicted for the video. To take action contradicts the new cougar’s secretive choices and you may would be detrimental, as it do scare aside extremely important prey. The arsenal has hisses, growls, .and you can whistles . (23) It appears to be whistles can be used as a way regarding telecommunications ranging from teenager cougars and you will between female and you can cats; (24) simultaneously, attentive cougars was basically noticed welcome familiar human beings that have line of whistles . (10)