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
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Cats and dogs can hear ultrasound.
350
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40