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Duck Penis

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Patricia Brennan, tthe scientist who conducted the study on duck penises that ruffled the conservative media’s feathers earlier this week, has finally come forward to tell everyone to stop

Normally, the duck keeps its penis inside-out within a sac in its body. When the time for mating arrives, the penis explodes outwards to a fully-erect 20cm, around a quarter of the ’s

A penis (plural penises or penes /-n iː z /) is the primary sexual organ that male s use to inseminate sexually receptive mates (usually females and hermaphrodites) during copulation. Such organs occur in many s, both vertebrate and invertebrate, but males do not bear a penis in every species, and in those species in which the male does bear a so-called penis, the penes in

Dec 29, 2009 · High speed video showing the explosive eversion of a duck penis in air. The 20 cm penis everts in a third of a second.

Researchers investigated the effects of social pressures on duck penis morphology, and found that greater numbers of male sexual competitors can actually make duck penises grow longer and faster.

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WILLIAMSBURG, Virginia — New measurements find that the maximum length of a duck’s penis depends on the company he keeps. And in this case, it’s his fellow males who make the difference.

Apr 22, 2013 · Two words: corkscrew penises. There’s really nothing else to say about Ze Frank’s stunning expose into the true facts about ducks. Except this: we now know ducks, at …

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Long story short, male ducks are rapists with exploding harpoon-penises. Here, in Prum’s words, is what he studied and learned: "Most birds don’t have a penis.

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Male ducks are notorious for attempting "forced copulation" with females. So females seem to have evolved vaginas that make it hard for a male duck to actually inseminate them, if they don’t want

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The Anatidae are the biological family of birds that includes ducks, geese, and swans.The family has a cosmopolitan distribution, occurring on all the world’s continents.These birds are adapted for swimming, floating on the water surface, and in some cases diving in at least shallow water.The family contains around 146 species in 43 genera. (The magpie goose is no longer considered to be part

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