Condoms were originally made of animal intestines or linen.
347
The octopus does not have a blind spot.
273
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
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
The reindeer is the only mammal that can see UV light.
17