Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A group of kittens is called a "kindle".
10
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
A lion in the wild usually makes no more than twenty kills a year.
186
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
The colossal squid has the largest eyes in the world.
4