Squirrels forget where they hide about half of their nuts.
698
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The head of a jellyfish is called the "Bell."
6
