SHEEP are not exactly born swimmers — but un-baa-lievable Mildred is wowing fans as a talented SURFER.Video footage of Mildred — the world's only surfing sheep — heading out to sea to catch some waves is taking the internet by storm.More than 50,000 web surfers have flocked to get a glimpse of the six-year-old.In the footage of her unprecedented surf at St. Agnes in Cornwall the anything but sheepish ewe is seen being helped on to her board by three surfers in wetsuits before being towed out to sea.As the waves carry her back to shore she uses her skill and clever footwork to keep the board steady and straight — before leaping on to the sand.But for her legions of admirers all is not quite as it seems - the film is actually a computer generated viral designed as a publicity stunt for a British clothing firm.Read more: www.thesun.co.uk/sol/homepage/news/2951331/Ewe-wont-believe- ;ATTR=News#ixzz0mW0B7RZX