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
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A group of kittens is called a "kindle".
10
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
There are approximately three chickens for every human on Earth.
13