1. In terms of development, the first year of a cat’s life is equal to the first 15 years of a human life. After its second year, a cat is 25 in human years. And after that, each year of a cat’s life is equal to about 7 human years.
2. Cats can rotate their ears 180 degrees.
3. The hearing of the average cat is at least five times keener than that of a human adult.
4. A cat cannot see directly under its nose.
5. Cats have five toes on each front paw, but only four on the back ones. It’s not uncommon, though, for cats to have extra toes. The cat with the most toes known had 32—eight on each paw!
6. Cats conserve energy by sleeping for an average of 13 to14 hours a day.
7. There are over 500 million domestic cats in the world.
8. The heaviest domestic cat on record is 21.297 kilograms (46 lb 15.2 oz).
9. Cats have over 20 muscles that control their ears.
10. Owning a cat can reduce the risk of stroke and heart attack by a third.
11. A cat's purr may be a form of self-healing, as it can be a sign of nervousness as well as contentment.
12. Cats have whiskers on the backs of their front legs, as well.
13. Male cats are more likely to be left-pawed, while female cats are more likely to be right-pawed.
14. Cats only use their meows to talk to humans, not each other. The only time they meow to communicate with other feline is when they are kittens to signal to their mother.
15. Sir Isaac Newton is credited with creating the concept for the pet door that many cats use today to travel outdoors.