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 puppy is born blind, deaf, and toothless.
16
Parrot parents "name" their children with a signature call.
112
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A cow produces around 200,000 glasses of milk in her lifetime.
373