baby bats learn language from peers
Last Updated : GMT 13:26:15
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Last Updated : GMT 13:26:15
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Baby bats learn language from peers

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Almaghrib Today, almaghrib today Baby bats learn language from peers

Baby bats learn language from peers
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Baby bats learn language from peers in their colony, and will adopt the group's dialect, or accent, instead of their mother's, researchers said Tuesday.

The difference is similar to speaking with a London accent versus a Scottish accent, said the report in the journal PLOS Biology.

The findings shed new light on crowd-learning of language, a skill thought to belong to mainly to humans and just a few other mammals.

It also shows that bats are different from songbirds, which tend to learn songs by mimicking one of their parents.

"The ability to learn vocalizations from others is extremely important for speech acquisition in humans, but it's believed to be rare among animals," said lead author Yossi Yovel of Tel Aviv University.

"Young bats pick up the dialect vocalized by their surrounding roost-mates."

For the study, researchers captured 14 pregnant Egyptian fruit bats.

They separated them into three colonies, where they raised the young bats with their mothers.

Each colony was exposed to a different recording of bat vocalizations.

The juveniles all adopted the manner of vocalizing of the group they heard, not their mothers.

"The difference between the vocalizations of the mother bat and those of the colony are akin to a London accent and, say, a Scottish accent," said Yovel.

"The pups heard their mothers' 'London' dialect, but also heard the 'Scottish' dialect mimicked by many dozens of 'Scottish' bats," he added.

"The pups eventually adopted a dialect that was more similar to the local 'Scottish' dialect than to the 'London' accent of their mothers."

Researchers hope to conduct future studies to examine how bats' dialects change when they leave their colonies, and if it affects how they integrate with others.

"Will they adopt the local dialect or will they be rejected by the group? Or maybe the local colony will change its dialect to adopt that of our bats," said Yovel.

"There are many interesting avenues yet to explore."

Source: AFP

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