The head of a jellyfish is called the "Bell."
6
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Cats and dogs can hear ultrasound.
350
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Tigers can see 6 times better at night than humans.
305
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27