The largest earthworm on record was found in South Africa and measured 22 feet.
151
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
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8