Denmark has twice as many pigs as there are people.
66
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sheep, goats, octopuses, and toads have rectangular pupils.
7
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Lurch, a Watusi bull, had the largest horns in the world.
32
The colossal squid has the largest eyes in the world.
4
The largest earthworm on record was found in South Africa and measured 22 feet.
151