Ninja’s could tell time time by how dilated a cat’s pupils were as they dilate in a regular pattern throughout the day, regardless of ambient light. – WTF Fun Facts
1 thought on “WTF Fun Fact – Cat’s Eye Watch”
This is not true as far as real cats are involved. Ambient light always has an effect on pupil dilation. Just shine a light inside at midnight and the pupils will change. Cats do have a much wider range than humans.