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
There's a rare breed of pig that looks like a sheep.
14
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
The cat brain weighs about 30g.
167
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The Basenji dog is the only dog that is not able to bark.
4
A group of pugs is called a grumble.
10