Lobsters have blue blood.
476
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
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Penguins have a gland above their eye that turns saltwater into freshwater.
12
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
A domestic cat can sprint at about 31 miles per hour.
274
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
A lion in the wild usually makes no more than twenty kills a year.
186