St. Patricks Day treat at Brookfield Zoo

<div class="meta image-caption"><div class="origin-logo origin-image none"><span>none</span></div><span class="caption-text">Tapeko, a 30-year-old bottlenose dolphin at Brookfield Zoo, gets a shamrock-shaped ice treat frozen with fish  (&#40;Photo Courtesy: Jim Schulz&#47;Chicago Zoological Society&#41;)</span></div>
March 27, 2012 10:28:43 AM PDT