Talking animals: we aren’t the only species capable of speech …

Ongoing studies show that some mammals and birds can mimic the sound of the human voice

Research published last month proved that orca, or killer, whales have the ability to mimic the complexities of human speech. Josep Call, professor in evolutionary origins of mind at the University of St Andrews, was a co-author of the study. He said: "I think here we have the first evidence that killer whales may be learning sounds by vocal imitation."

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