The octopus does not have a blind spot.
273
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
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
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
The elephant brain weighs about 6,000g.
274
When dragonflies mate, their tails form a love heart.
22