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

Credit: Alpha /Landov

Updated: Monday Dec 21, 2009 | 06:00 AM EST

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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.