How does cat night vision work?
If you've ever lived with a cat, you know that they can be incredibly active at night, often sprinting up and down corridors — and over their owners' beds — without ever crashing into walls or doors.
"It's not a matter of seeing in the dark or not seeing in the dark," she told Live Science in an email."The perception of vision — you might say the 'quality' — is more of a spectrum than a yes or no."Plummer explained that the amount of ambient light present influences what an individual — be it a human or a cat — can see.
Despite being more active than the average human during the night, cats are not strictly nocturnal animals. Rather, they are considered"crepuscular," or active during twilight, owing to their fondness for hunting at dusk and dawn. So, cats are far more adept at wandering at night than humans are, but when it comes to vision quality, they certainly don't trump humans during the daytime.
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