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How does a snake shed?

Generally, when the old skin has loosened around the head the snake will push against a stick, stone, or other object to start peeling away the skin. The old skin catches on the object and the snake literally crawls out of it, leaving the old skin turned inside out.

J. Elliott

A snake will grow new scales under their old ones, then the old ones will lift up and become loose. The snake will start rubbing their nose on a rock or branch and break a hole in the shed. The shed will catch on the log/rock and the snake will slither forward, slowly pulling the shed off inside out!

Grace Fields

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