Tongue bristles help bats lap up nectar

Bumps stretch out as mammals drink

By Meghan Rosen, 15:33 PM May 6, 2013

A rush of blood to the tongue helps some bats slurp up their food. Erect bristles that spring from the tongue tip of a nectar-feeding bat, Glossophaga soricina, help the bats snag sweetness from flowers, a new study finds.

As a bat reaches its tongue deep into a flower (or a manmade feeder), muscles stretch out, forcing blood from the middle of the tongue down into hairlike nubs that sprout from the tip, biomechanist Cally Harper and her colleagues at Brown University in Providence, R.I., repo...

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