In this photo taken Oct. 20, 2011 provided by the Chicago Zoological Society, a kangaroo checks out a pumpkin as part of an enrichment program at Brookfield Zoo in Brookfield, Ill., in preparation for the zoo?s weekend Halloween events, ?Creatures of the Night? and ?Boo! at the Zoo.? &#40;AP Photo&#47;Chicago Zoological Society, Jim Schulz&#41; <span class=meta>(AP Photo&#47; Jim Schulz)</span>
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