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Orcas can imitate human speech, research reveals
Key Excerpts from Article on Website of The Guardian (One of the UK's leading newspapers)
Posted: February 12th, 2018
https://www.theguardian.com/science/2018/jan/31/orcas-killer...
New research reveals that orcas are able to imitate human speech, in some cases at the first attempt, saying words such as hello, one, two and bye bye. The creatures are already known for their ability to copy the movements of other orcas, with some reports suggesting they can also mimic the sounds of bottlenose dolphins and sea lions. We wanted to see how flexible a killer whale can be in copying sounds, said [study co-author] Josep Call. We thought what would be really convincing is to present them with something that is not in their repertoire and in this case hello [is] not what a killer whale would say. Only a fraction of the animal kingdom can mimic human speech, with brain pathways and vocal apparatus both thought to determine whether it is possible. That is what makes it even more impressive even though the morphology [of orcas] is so different, they can still produce a sound that comes close to what another species, in this case us, can produce, said Call. Wikie, a 14-year-old female orca ... had previously been trained to copy actions performed by another orca when given a human gesture. After first brushing up Wikies grasp of the copy command, she was ... exposed to five orca sounds she had never heard before. Finally, Wikie was exposed to a human making three of the orca sounds, as well as six human sounds. Wikie was often quickly able to copy the sounds, whether from an orca or a human, with all of the novel noises mimicked within 17 trials.
Note: Learn more about the amazing world of marine mammals.
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