In this photo taken Oct. 20, 2011 provided by the Chicago Zoological Society, curious meerkats swarm around a pumpkin as part of an enrichment program at Brookfield Zoo, in preparation for Brookfield 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>