20 Interesting Animals Facts

1. Cheetahs are the fastest land animals, reaching speeds up to 112 km/h (70 mph).

2. Elephants are the only animals that cannot jump.

3. Octopuses have three hearts and blue blood.

4. Dolphins have been observed to recognize themselves in mirrors.

5. A group of flamingos is called a "flamboyance."

6. Sloths can hold their breath longer than dolphins, up to 40 minutes.

7. Honeybees communicate through a "waggle dance."

8. Some species of frogs can freeze completely and survive.

9. Owls can rotate their heads up to 270 degrees.

10. Sharks existed before trees appeared on Earth.

11. Starfish can regenerate lost arms, and some can regrow an entire body from a single arm.

12. Penguins propose to their mates with a pebble.

13. Bats are the only mammals capable of sustained flight.

14. Sea otters hold hands while sleeping to keep from drifting apart.

15. The tongue of a blue whale can weigh as much as an elephant.

16. Ants can lift objects 50 times their body weight.

17. Some species of jellyfish are biologically immortal.

18. Gorillas can catch human colds and other illnesses.

19. A snail can sleep for three years at a time.

20. Dolphins have unique whistles that act like their own "names."