Have you ever wondered how your dog or cat sees the world? Complex, image-forming eyes like a cat’s eye, a fly’s eye or a human’s eye, evolved independently some 50 to 100 times within a few million years, since rapid burst of evolution known as the Cambrian explosion. So there are a lot of different sized, different shaped and different working eyes.
The video presented by the BuzzFeed below shows us how some animals including cats and dogs see the world.
- Dogs (0:05)
- Can see browns, yellows and blue
- Have a wide peripheral vision
- Cats (0:18)
- The cat skull is unusual among mammals in having very large eye sockets
- Have an inner eyelid for protection
- Can see browns, yellows and blues
- Birds (0:33)
- Can see ultraviolet light (which humans cannot see)
- Their eye muscles can focus on certain places
- Flies (0:44)
- They have hundreds of thousands of tiny lenses in their eyes
- Can see ultraviolet light
- They see the world in slow-motion
- Snakes (0:57)
- At night, they see heat signatures
- Sharks (1:10)
- See clearly in water
- Don’t see color
- Fish (1:20)
- Can see red, green and blue
- Ultraviolet color receptors
- Rats (1:30)
- Each eye moves independently
- They see the world in slow-motion
- Blurry, they can’t see red