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This is Scientific Americans 60 Second Science.

I'm Karen Hopkins.

Bats are sophisticated communicators, and not just when they're in vampire form.

I am Dracula. New research finds that Egyptian fruit bats actually have regional dialects,

depending on the bat chatter that surrounds them as they grow up.

The studies in the journal Plus Biology.

Among humans, one person's...

is another one's...

While populations of bats also display group-specific vocalizations.

But how do these vocal characteristics arise? Do they reflect innate

genetic differences or are they learned? And if bat accents are acquired, who are these furry

flyers imitating? Their parents or their roost mates? To find out, Yossi Yovall at Tel Aviv

University at his colleagues, captured 15 pregnant fruit bats and divided them into three groups, each of which was housed in its own separate box.

The mothers gave birth inside these boxes, and their babies, called pups, lived there for a full year.

During that time, the researchers exposed the pups to a select symphony of bat sounds.

Fruitbats in the wild are reared in colonies that contain dozens to thousands of individuals, so they're used to being

surrounded by a cacophony of calls and other vocal communicates. For one of the boxes,

...