Animal care and training specialist Mackezie Mueller working with The Georgia Aquarium's resident pregnant beluga whale Maris in the aquarium's tank in Atlanta, Wednesday, April 11, 2012. Aquarium ... more 
Animal care and training specialist Mackezie Mueller working with The Georgia Aquarium's resident pregnant beluga whale Maris in the aquarium's tank in Atlanta, Wednesday, April 11, 2012. Aquarium officials are on round-the-clock watch expecting a calf to be born anytime. (AP Photo/John Bazemore) less 
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Associated Press | Photo By John Bazemore
Wed, Apr 11, 2012 12:54 PM EDT