The reindeer is the only mammal that can see UV light.
17
Gorillas can catch human colds and other illnesses.
205
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
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
Whales and dolphins can't taste anything other than salt.
11
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Jellyfish as a species are actually older than dinosaurs and sharks.
383