1. The heart of a shrimp is located in its head
2. A snail can sleep in three years
3. The fingerprints of a koala are so indistinguishable from humans that they have on occasion been confused at a crime scene.
4. Slugs have four noses.
5. Elephants are the only animal that can't jump.
6. A rhinoceros' horn is made of hair.
7. It is possible to hypnotize a frog by placing it on its back and gently stroking its stomach.
8. It takes a sloth two weeks to digest its food.
9. Nearly three percent of the ice in Antarctic glaciers is penguin urine.
10. A cow gives nearly 200,000 glasses of milk in a lifetime.



source: https://www.thedodo.com/16-amazing-animal-facts-1094218100.html