When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
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