Largest Penis
Like any intelligent person would have expected, the largest organisms ever to subsist on earth would also have the largest endowments. And land animals too. The biggest penis in the whole world has whale. Such penis called dork. The champion is the blue whale. The size of penis is about 11 ft . long and 1.2 ft . in diameter. Its smaller cousins is humpback whale and sperm whale. Their penises are 9.5 feet or so.
If you measure as a percentage of body length things are a little different. Goose barnacles, with inch-and-a-half-long appendages, rate about 160 percents. Invincible, you think, until you learn that a rare species of Alpine banana slugs (Moritumax) measure 7-inches long and possess 33.7-inch tumescences, or 548 percents times their body length. Inconceivable.
Longest Sperm
There are some beasts, which sperm production is much like budget reform proposals. It was created in considerable quantity without difficult effort put behind each. But not all creatures follow such way. For example, Drosophila is a distant relative of the fruit fly, which dwell in jungle, produce sperm 6.8 cm in length. It is 22 times longer than their total body length.
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