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
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
Rattlesnake mating sessions have been known to last more than 22 hours.
232
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156