Newborn calf

In a photo provided by Chicago's Shedd Aquarium, Mauyak, left, a 24-year-old beluga whale, swims with her newborn calf shortly after giving birth at 2:42 a.m. Thursday morning, Aug. 16, 2007. The calf is more than five feet long and weighs about 100 pounds.
AP photo by Brenna Hernandez
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