Penis

The penis (plural penises or penes) or phallus (plural phalli) is the external male copulatory organ of some animals, and, in mammals, the external male organ of urination.

Non-human penises

Most marsupials, except for the two largest species of kangaroos, have a bifurcated penis. That is, it separates into two columns, and so the penis has two ends. The barnacle has the longest penis for its own length: up to twenty times the length of the animal. Urban legend alleges that the dolphin has prehensile control over his penis. In the realm of absolute size, the smallest penis belongs to the common shrew (5 mm or 0.2 inches). The largest penis belongs to the blue whale estimated at over 2 m (about 6 feet). Accurate measurements are difficult to take because the whale's erect length can only be observed during mating.

Related Topics:
Marsupials - Kangaroo - Bifurcated penis - Barnacle - Urban legend - Dolphin - Prehensile

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The Icelandic Phallological Museum is devoted entirely to collecting penis specimens from all the land and sea mammals living in Iceland. The museum has received a legally-certified gift token for a future specimen belonging to Homo sapiens.

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In male insects, the structure homologous to a penis is known as aedeagus. Male specimes of the Squamata order of reptiles have two paired organs called hemipenes.

Related Topics:
Insect - Aedeagus - Squamata - Hemipenes

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