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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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A lion in the wild usually makes no more than twenty kills a year.
186
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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