Bats use rolled-up leaves as both temporary roosts and hearing aids, enabling them to detect the calls of their roost-mates flying overhead. These bats are a rare example of animals using naturally occurring hearing aids.
Bats use rolled-up leaves as both temporary roosts and hearing aids, enabling them to detect the calls of their roost-mates flying overhead. These bats are a rare example of animals using naturally occurring hearing aids.
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