The elephant brain weighs about 6,000g.
274
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Lobsters have blue blood.
476
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Jumping fleas can accelerate 50 times faster than the space shuttle.
218