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Published: December 11, 2011 3:00 a.m.
Associated Press photos
A giraffe licks its lips at the Houston Zoo. The Houston Zoo has started its Gift of Grub campaign to raise money to help feed the more than 6,000 animals at the zoo. It costs more than $600,000 a year to feed the animals.
A giraffe eats alfalfa from a hanging feeder at the zoo.