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
Dolphins have names for one another.
18
One in three dog owners say they have talked to their pets on the phone.
427
The oldest recorded elephant lived for 82 years.
213
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492