How Do Snakes See in the Dark?

Some snakes can convert changes in heat into electrical signals that let them see in the dark.

Rich Sobel
ILLUMINATION-Curated
5 min readMar 14

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A coiled red-coloured snake with its head resting on its body in a dark background
Photo by Jan Kopřiva on Unsplash

I’m a big fan of snakes! When I was a teenager, I had a boa constrictor as a pet and I had to feed it live mice. I would watch the boa kill the mouse and then swallow it whole. There would be this big lump in its body. The swelling gradually disappeared…

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Rich Sobel
ILLUMINATION-Curated

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