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Their eyes are so bright because they are retroreflective[1]. Just like road signs, they reflect light back in the direction it came from. 1. https://en.m.wiki
by istjohn 5y ago
Their eyes are so bright because they are retroreflective[1]. Just like road signs, they reflect light back in the direction it came from.
1. https://en.m.wikipedia.org/wiki/Tapetum_lucidum https://en.m.wikipedia.org/wiki/Tapetum_lucidum
- m0zg 5y agoWhich we should be thankful for, because otherwise they'd be _very_ hard to see as well, and a lot more people would be dying.