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Scientists solve 'cocktail party' mystery of bat echolocation

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Summary
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78% Informative

Every night , bats emerge out of roosts in massive numbers, creating what scientists have called a "cocktail party nightmare" of clashing echolocations.

When bats first emerge from roost, they increase their distance from the center of the group and adjust their echoline to maneuver safely in areas of highest bat density.

The study is published March 31 in Proceedings of the National Academy of Science .

When exiting the cave, bats experience a cacophony of calls, with 94 percent of echolocations being jammed.

Yet, within five seconds of leaving, bats significantly reduced the jamming.

They also made two important behavioral changes: first , they fanned out from the dense colony core while maintaining the group structure.

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informal

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English

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53

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long-living

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