The Basenji dog is the only dog that is not able to bark.
4
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
The oldest recorded elephant lived for 82 years.
213
Sharks have been on the planet longer than trees.
14
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6