Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Only 3% of bird species have penises.
0
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
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A puppy is born blind, deaf, and toothless.
16