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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Dogs sometimes fake being sick to get attention.
26