Topic
Animal Behavior
Why Cat Pupils Are Vertical Slits and Dogs' Are Round
A Berkeley vision scientist studied 214 land animals and found pupil shape isn't random. It's optics, tuned to whether an animal ambushes, grazes, or chases.
A Berkeley vision scientist studied 214 land animals and found pupil shape isn't random. It's optics, tuned to whether an animal ambushes, grazes, or chases.