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

HORSE IS ALLERGIC TO GRASS

Though hard to conceive, this 5-year-old mare is still able to function, just by wearing a polyester wrap on her legs, a blanket, hood and mask – and taking 15 allergy pills a day. And to eat? A special mix of sugar beet chaff and soya oil.