The 10 Weirdest Animal Stories of 2009From dyed donkeys to cat-sized rats, we revisit the 10 craziest stories of the year

FURRY FELINE GROWS WINGS

Though born healthy, once this kitten in Chongqing, China, turned 1, he sprouted wing-shaped appendages on both sides of his spine. While the cause remains unknown, some speculated it could be a genetic change caused by chemical ingestion.