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That's a simplification, I think. Many animals have good nightsight, meaning they see in infrared. That's probably also why they avoid approaching fires - those
by akomtu 4y ago
That's a simplification, I think. Many animals have good nightsight, meaning they see in infrared. That's probably also why they avoid approaching fires - those are too bright for them.
- ben_w 4y agoNatural night isn't brighter in the near infrared than in the human visual range, and IIRC not much can see in the far-infrared where body heat becomes relevant. Fires have a lot of reasons to be avoided.