The cat brain weighs about 30g.
167
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A 42-foot sperm whale has about 7 tons of oil in it.
209
Sharks have been on the planet longer than trees.
14
The largest earthworm on record was found in South Africa and measured 22 feet.
151
A cat can jump FIVE TIMES as high as it is tall!
371