Bat's tongue a showpiece of feeding efficiency (1:22)
May 8 - Researchers at Brown University have unravelled the secrets of the fruit bat's efficiency in collecting nectar from plants. Using a high speed camera, the scientists have shown that the bat's tongue becomes engorged with blood and changes shape to become a mop-like tool the animal uses to draw nectar into its mouth. Ben Gruber has more. ( Transcript )
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