A 42-foot sperm whale has about 7 tons of oil in it.
209
Cats sleep for 70% of their lives.
8
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Cows can sleep standing up, but they can only dream lying down.
745