What specific feature do egg-eating snakes possess to deal with the ingested eggshell?

Answer

Modified vertebrae described as 'teeth'

These snakes have modified vertebrae, often described as teeth, that crush the eggshell after the contents are swallowed.

What specific feature do egg-eating snakes possess to deal with the ingested eggshell?

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How Long Do Egg-Eating Snakes Live? - Reptilian Wonders

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