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
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Cats sleep for 70% of their lives.
8
Dogs have been man's pet for over 14,000 years.
224
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
A 42-foot sperm whale has about 7 tons of oil in it.
209