Dolphins have names for one another.
18
Jellyfish as a species are actually older than dinosaurs and sharks.
383
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
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Lurch, a Watusi bull, had the largest horns in the world.
32
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14