Nifty Snake Eyes
955 views · Published 31 October 2013 · 0:15 · Indexed 14 October 2026
Channel: Science News · 2013 · Science & Technology
Blood flows through the spectacle, or eyelid, of a juvenile corn snake when the eyelidlike covering is being regenerated. The illuminated area is the pupil of the snake's eye. The many small dark lines are scratches in the spectacle scale that accumulate during a snake's routine activities and that will be shed when the animal molts. About six seconds into the video, the snake shifts its gaze, but the vessels remain fixed, demonstrating how the eye rotates freely beneath the fixed spectacle. Credit: Kevin van Doorn
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