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
There's a rare breed of pig that looks like a sheep.
14
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109