Killer whales able to copy words such as ‘hello’ and ‘bye bye’ as well as sounds from other orcas,study showsHigh-pitched, eerie and yet distinct, and the sound of a voice calling the name “Amy” is unmistakable. But this isn’t a human scream – it’s the voice of a killer whale called Wikie.unique research reveals that orcas are able to imitate human speech,in some cases at the first attempt, saying words such as “hello”, or “one,two” and “bye bye”.
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Source: guardian.co.uk