The Billy goat urinates all over his belly, chest, and beard to attract a mate. Similarly, a male porcupine sprays his urine in different directions—and when he finds a mate, he urinates all over her.

Not all species of shark give birth to live pups. Some species lay the egg case on the ocean floor and the pup hatches later on its own.

The average adult has approximately six pounds of skin.

AMAZING FACTS