An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A group of kittens is called a "kindle".
10
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Jumping fleas can accelerate 50 times faster than the space shuttle.
218