When dragonflies mate, their tails form a love heart.
22
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The head of a jellyfish is called the "Bell."
6
Whales and dolphins can't taste anything other than salt.
11