There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Female kangaroos have three vaginas.
2
A domestic cat can sprint at about 31 miles per hour.
274
When cats are happy, they may squeeze their eyes shut.
10
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212