These bats buzz like wasps and bees. The sound may deter hungry owls

Mouse-eared bats may be the only mammal known to mimic an insect for protection

Myotis myotis bat hanging from the ceiling of a cave

When grabbed, greater mouse-eared bats (Myotis myotis) buzz like a bee.

Marco Scalisi

Some bats buzz like wasps and bees when grasped, and the sound seems to deter predatory owls.