The largest earthworm on record was found in South Africa and measured 22 feet.
151
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20