Snakes are highly evolved predators. Although they have no limbs, no eyelids, and no external ears, these versatile animals move with ease and find their prey using sophisticated sensors. All snakes eat other animals, ranging from ants to antelopes, some of which they subdue by constriction or by delivering a venomous bite from specialized fangs. Although snakes cannot chew their food, the bones in their skull are lightly constructed and loosely connected, so the jaw can be opened wide and the prey swallowed whole.
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