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Georgia Aquarium expecting rare beluga whale birth

John Bazemore / AP

John Bazemore / AP

Georgia Aquarium's resident pregnant beluga whale Maris.

John Bazemore / AP

Animal care and training specialist Mackezie Mueller working with The Georgia Aquarium's resident pregnant beluga whale Maris.

Georgia Aquarium's resident pregnant beluga whale Maris is expected to give birth by June. She is the first mammal to conceive at the downtown Atlanta attraction since it opened in 2005.

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