Top 20 Animal facts

 Here are 20 fascinating animal facts:

1. Octopuses have three hearts Two pump blood to the gills, while the third pumps it to the rest of the body.

2. Cows have best friends They form close bonds with other cows and can become stressed when separated.

3. A group of flamingos is called a flamboyance Their pink color comes from carotenoids in their diet.

4. Dolphins have names for each other They use unique whistles to call one another, similar to human names.

5. Tardigrades can survive in space These microscopic animals can endure extreme conditions, including space’s vacuum.

6. Elephants mourn their dead They display behavior that suggests grieving for lost members of their herd.

7. Male seahorses give birth After the female deposits her eggs into his pouch, the male carries them until they hatch.

8. A cheetah's top speed They can run up to 70 mph (112 km/h) in short bursts to catch prey.

9. Penguins propose with pebbles Male penguins present a pebble to a potential mate as part of a bonding ritual.

10. Crows can recognize human faces They remember who’s kind or harmful to them and can even pass this knowledge to others.

11. A group of jellyfish is called a "smack" Despite their simplicity, jellyfish have existed for over 500 million years.

12. Butterflies taste with their feet Special sensors on their feet allow them to detect sugars and chemicals in plants.

13. Horses can sleep standing up They have a locking mechanism in their legs that allows them to rest without lying down.

14. Ostriches can run faster than horsesThey can sprint at speeds up to 45 mph (72 km/h) and maintain 30 mph for long distances.

15. Honey never spoils Archaeologists have found ancient Egyptian honey that's still edible due to its natural preservatives.

16. Koalas sleep up to 22 hours a day Their diet of eucalyptus leaves provides low energy, so they conserve it by sleeping.

17. Cats can't taste sweetness Their taste buds lack receptors for sweet flavors, unlike humans or dogs.

18. Sharks predate dinosaurs Sharks have been swimming in Earth's oceans for over 400 million years, longer than dinosaurs existed.

19. The heart of a blue whale weighs as much as a car These gigantic creatures have hearts that weigh around 400 pounds (180 kg).

20. Frogs can freeze without dying Some species of frogs can survive being frozen solid during winter and resume life when they thaw. 

These incredible facts reveal just how diverse and surprising the animal kingdom is!