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Certain bats can deform the shapes of their ears in a way that changes the animal's ultrasonic hearing pattern. Within just one tenth of a second, these bats are able to change their outer ear shapes from one extreme configuration to another.
Word of the Day
- A young chicken: also used as a pet name for children.
The word 'chickabiddy' may come from 'chick' plus 'biddy', a name used in calling a hen or chicken.