The reindeer is the only mammal that can see UV light.
17
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 head of a jellyfish is called the "Bell."
6
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12