For the first time, researchers have been able to show by acoustic analysis that whales -- or at least one very special white whale -- can imitate the voices of humans. That's a surprise, because whales typically produce sounds in a manner that is wholly different from humans, say researchers who report their findings in the October 23 issue of Current Biology, a Cell Press publication.

"Our observations suggest that the whale had to modify its vocal mechanics in order to make the speech-like sounds," said Sam Ridgway of the National Marine Mammal Foundation. "Such obvious effort suggests motivation for contact."

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