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This is Scientific Americans' 60 Second Science.

I'm Mark Stratton.

It was lights out and the babies were up again.

A Hana Fernandez of the Natural History Museum, Berlin, pointed her microphone at the day roost. She was trying to catch these

bat pops in full babble mode. Now normally, when we think of babbling babies, we're talking human

newborns. But Fernandez was in the forest to prove something surprising,

that these bat babies babble in many of the same ways humans do,

despite a wide evolutionary gap between us and them.

Babbling is a production milestone in human infant speech development,

and it is characterized by universal features.

However, evidence for babbling in non-human mammals are scarce, rendering cross-species comparisons difficult.

We investigated a pub-babbling behavior of wild saccaptorix bilinata, a bat capable of vocal imitation,

to compare its features to those that characterize human infant babbling.

The findings are published in the journal Science magazine.

The sackwing bat is known to be particularly loquacious,

with a repertoire of 25 different syllable types.

...