Dolphin Moms Use Baby Talk to Call to Their Young, Recordings Show
June 27, 2023
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0:16Now PlayingDolphin Moms Use Baby Talk to Call to Their Young, Recordings Show
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as posted by the channelA study published Monday found that female bottlenose dolphins change their tone when addressing their calves. Researchers recorded the signature whistles of 19 mother dolphins in Florida, when accompanied by their young offspring and when swimming alone or with other adults.
The dolphin signature whistle is a unique and important signal — akin to calling out their own name.
“They use these whistles to keep track of each other. They’re periodically saying, ‘I’m here, I’m here’,” said study co-author Laela Sayigh, a Woods Hole Oceanographic Institution marine biologist in Massachusetts.
When directing the signal to their calves, the mother’s whistle pitch is higher and her pitch range is greater than usual, according to the study published in the journal, Proceedings of the National Academy of Sciences.
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