The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Condoms were originally made of animal intestines or linen.
347
Sharks, like other fish, have their reproductive organs in their chests.
248
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23