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
Early American humans hunted car-size armadillos and used their shells for houses.
12
When dragonflies mate, their tails form a love heart.
22
Parrot parents "name" their children with a signature call.
112
Condoms were originally made of animal intestines or linen.
347
The colossal squid has the largest eyes in the world.
4
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328