Cats are stunning animals that awe us, especially when they chase away all the mice from our homes. A Cat has nine lives; three are spent playing, three are spent straying, and three are spent staying. Have you ever thought about why a cat's eyes have those creepy vertical slits for pupils? The reason could be found in the cats' preferred mode of hunting. Vertical pupils are most common in nocturnal animals; they use this pupil to ambush their prey. Watch this video to learn why cats have vertical pupils https://www.youtube.com/watch?vuHlH4YGca8w Experts believe that the shape of their feline companions' pupils supports an evolutionary purpose. In domestic cats, the original purpose of this is to enable vision in both bright day light and dim night light. Further Reading \t 10 Most Endangered Animals Of World \t How does Climate Change Affect Animals? \t Where To Buy Pet Products Online?