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
Sloths take two weeks to digest their food.
243
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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
Dolphins have names for one another.
18
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Squirrels forget where they hide about half of their nuts.
698