Susan Zwit-Frantzen, also known as Byrdie Sue, whistled along with Dont Worry, Be Happy\r \r Animal acts steal the show as a talking parrot, stripping dog, shy tortoise and bird whistler entertain the Judges and audience. Check out Einstein the Talking .\r \r Britains Got Talent.\r \r see: amazing hand whistling of sally cohn , the licking part , and judges comments.