How Do Snakes Move Without Legs?
Snakes use at least four distinct locomotion modes, from a silent straight-line crawl to sidewinding across loose sand and gliding through the air.
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Snakes use at least four distinct locomotion modes, from a silent straight-line crawl to sidewinding across loose sand and gliding through the air.
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Snake ancestors traded four legs for a long flexible spine roughly 100 million years ago. Fossils like Najash caught the transition in progress.
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