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 banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
When you shave a guinea pig it looks like a little hippo.
19
Penguins have a gland above their eye that turns saltwater into freshwater.
12
One in three dog owners say they have talked to their pets on the phone.
427
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8