ocr: There are also the distress calls that the young make when they trip over something or fall out of trees, and these make upyet another wide range of long-drawn-out, vibrant, complaining croaks. I've heard - a tape of collected kakapo noises, and it's almost impossible to believe that it all just comes from a bird, or indeed any kind - ofanimal. Pink Floyd studio out-takes perhaps, but not a parrot.