Penguins have a gland above their eye that turns saltwater into freshwater.
12
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
A female ferret will die if it goes into heat and cannot find a mate.
143
Parrots have 500 pounds per square inch of pressure in their beaks.
21
One million people each year are bitten by animals in the United States.
7
The lifespan of mammals is about 1 and a half billion heartbeats.
127
An elephant trunk has no bone but 40,000 muscles.
24
There is a species of clam that can grow up to four feet long and weigh up to 500 pounds.
89