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8 unexpected animals that sing

May 13, 2011, 10:30 a.m.
beluga whales

Photo: Mike Johnston/Flickr

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Beluga whales are the 'canaries of the sea'

Beluga whales are extremely vocal and they’re often called “sea canaries” because of the birdlike sounds they make. Jean-Michael Cousteau once said, “It is worth protecting the beluga just for its own sake, for the beauty of its songs.”