When there is a sudden loud or shrill sound near your house, your dogs' or cats' ears perk up and they all turn their heads-- sometimes you get to see all them do it in unison and it is cute. But consider that at that moment, there are hundreds of other neighborhood dogs, cats, birds, squirrels, skunks, etc. who all perked up and turned their heads at the exact same moment in some grand orchestra of curiosity-- kind of cute...