Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Gorillas can catch human colds and other illnesses.
205
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25