Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Cats sleep for 70% of their lives.
8
The largest earthworm on record was found in South Africa and measured 22 feet.
151
The colossal squid has the largest eyes in the world.
4