Sharks have been on the planet longer than trees.
14
A cow produces around 200,000 glasses of milk in her lifetime.
373
Cats and dogs can hear ultrasound.
350
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The head of a jellyfish is called the "Bell."
6
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14