Penguins have a gland above their eye that turns saltwater into freshwater.
12
A cow produces around 200,000 glasses of milk in her lifetime.
373
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Bats sleep 18-20 hours per day.
5
The elephant brain weighs about 6,000g.
274