Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The oldest recorded elephant lived for 82 years.
213
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
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12