The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
The most expensive cow in the world was sold in 2009 for $1.2 million.
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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