Bird Penis

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Updated June 30, 2020 48.1k views15 items
Penises are weird all across the animal kingdom, but bird penises take the cake for being strange. Male bird reproductive organs have changed vastly over millions of years of evolution, and that kind of development has left some birds with what scientists refer to as “nubs,” and other birds with members that take up the length of their body.
Do birds have penises? Sort of, yes. It’s not a question that’s as easy to answer as you would think. Some birds in the same family, the ratites for example, have developed members that are completely different from each other. Some bird penises are uniquely shaped unlike any other bird. Take the duck's, for example, which resembles a corkscrew. Some don't have penises at all. 
Male birds have a unique and varying set of penises, or lack thereof. And while all together strange, male bird reproductive organs are definitely fascinating. 
Despite claiming a species that contains one of the largest penis-to-body ratio, most birds don't even have a penis. Out of the 10,000 species of bird, about 3 percent have penises. Some of the types that don't: eagles, flamingos, penguins, and owls. Chickens still have traces of their penises, but what's left of their penises are tiny nubs that can't penetrate anything.
Birds Might Be Able To Re-Evolve Them
Here's a crazy fact: some birds might be evolving to regrow their genitals. A group of obscure South American galliformes called cracids have penises despite being related to the chicken, which lacks male genitals. Scientists are trying to determine how and why a cracid regrew their penises while chickens don't. It could have something to do with the mechanical makeup of a cracid, but researchers just aren't sure. 
Ducks are one of the few types of birds that actually have penises, but it doesn't have the "normal" penis characteristics. Duck genitals are flexible when erect. Rather than becoming hard with blood, a duck's penis is controlled by lymph - a colorless fluid containing white blood cells. 
Ducks penises are also often larger than their bodies. The Argentine Lake Duck has the longest bird penis ever - measuring in at 16.73 inches. 
Duck penises - and duck vaginas - are shaped like corresponding corkscrews, which isn't exactly an easy fit. For male ducks to successful impregnate female ducks, a female duck has to be a willing participant. If she wants to mate, she will position her body in a way that makes it easier for male ducks to fertilize her eggs.
Ducks Use Their Members To Lasso Mates
Ducks are known to be extremely sexually aggressive. Often males force themselves on females, dominating the females physically. In response, female ducks have evolved elaborate reproductive organs which make it hard to inseminate them without consent. 
The Argentine Lake Duck is an example of a duck using force to sexually dominate his partner. Males use their penises, often measuring more than 16 inches, to literally lasso and capture female ducks. 
Researchers at the University of Alaska theorize that the duck uses its penile advantage to trap escaping females. "Our best guess is that the birds use [the long penis] as a kind of lasso… The males have to chase the females, and even during copulation the females are trying to escape.”

https://www.10000birds.com/do-birds-have-penises.htm
Перевести · 23.04.2012 · Most birds do not have a penis. Most birds have a little lump called a cloaca. During the breeding season when hormones are flowing the cloaca swells and birds can get …
https://www.ranker.com/list/do-birds-have-junk/jacob-shelton
Перевести · 30.06.2020 · Do birds have penises? Sort of, yes. It’s not a question that’s as easy to answer as you would think. Some birds in the same family, the ratites for example, have developed members that are completely different from each other. Some bird penises are uniquely shaped unlike any other bird. Take the duck's, for example, which resembles a corkscrew.
https://en.wikipedia.org/wiki/Bird_penis
A penis is the primary sexual organ that male animals use to inseminate females (or hermaphrodites) during copulation. Such organs occur in many animals, both vertebrate and invertebrate, but males do not bear a penis in every animal species, and in those species in which the male does bear a so-called penis, the penises in the various species are not necessarily homologous.

The term penis applies to many intromittent organs
A penis is the primary sexual organ that male animals use to inseminate females (or hermaphrodites) during copulation. Such organs occur in many animals, both vertebrate and invertebrate, but males do not bear a penis in every animal species, and in those species in which the male does bear a so-called penis, the penises in the various species are not necessarily homologous.

The term penis applies to many intromittent organs, but not to all. As an example, the intromittent organ of most cephalopoda is the hectocotylus, a specialized arm, and male spiders use their pedipalps. Even within the Vertebrata there are morphological variants with specific terminology, such as hemipenes.

In most species of animals in which there is an organ that might reasonably be described as a penis, it has no major function other than intromission, or at least conveying the sperm to the female, but in the placental mammals the penis bears the distal part of the urethra, which discharges both urine during urination and semen during copulation.
https://www.birdspot.co.uk/bird-reproduction/do-birds-have-penises
Перевести · 03.02.2021 · Birds’ penises differ from mammals’ and reptiles’ penises in that they become erect from a huge rush of lymphatic fluid, rather than blood flow. All penis-having birds …
https://www.nbcnews.com/news/all/how-birds-lost-their-penises-flna6C10221403
Перевести · 06.06.2013 · Most birds don't have such bragging rights, however: Males in 97 percent of bird species have tiny penises or lack them entirely. Instead, they shoot sperm into a female bird's …
https://www.thespruce.com/how-do-birds-mate-386108
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Some bird species, most notably several species of swans, geese, and ducks, do not have cloacas, but instead male birds have an actual phallus (penis) that is inserted into the female during mating. The penis is formed by an extension of the cloacal wall, and unlike mammals, is erected by lymph rather than blood. Having a penis helps different types of waterfowl mate in the water without the sperm wa…
https://www.nationalgeographic.com/science/article/how-chickens-lost-their-penises...
Перевести · 06.06.2013 · Most birds don’t. There are almost 10,000 species of birds and only around 3 percent of them have a penis. These include ducks, geese and swans, and large flightless birds …
https://www.livescience.com/38379-animal-sex-bird-sex.html
Перевести · 26.07.2013 · Unlike mammals, most male birds don't have penises. Instead, both male and female birds have what's known as a cloaca. The cloaca is an internal chamber that ends in an opening, and through this ...
https://www.quora.com/Do-male-birds-have-a-penis
Перевести · This question was first asked in June 2015. It is now November 2018 and this answer is going to be the first answer to this question. I'm uncertain whether that is because none of …
This question was first asked in June 2015. It is now November 2018 and this answer is going to be the first answer to this question. I'm uncertain...
Only three birds have a penis While most birds don’t generally have penis, it seems that male ostriches, ducks and geese are exceptions and have a...
Unlike mammals, most male birds don't have penises. Instead, both male and female birds have what's known as a cloaca. The cloaca is an internal c...
The male birds, usually the more colorful ones. (I was thinking of song birds in the USA.)
Yes! We call it social monogamy when animals form long-term partnerships but also mate outside the pair (cheat). About 90% of bird species are mono...
Yes! We call it social monogamy when animals form long-term partnerships but also mate outside the pair (cheat). About 90% of bird species are mono...
What is the male bird called? Hi there Jesse, You’ve posted rather a lot (over a hundred) of other pretty trivial questions in the last hour or s...
Like reptiles, amphibians, some fish, and monotremes (egg-laying mammals), birds have an orifice called the cloaca which serves as the exit point f...
Most species of birds do not have external reproductive organs - both the male and female have a single opening called a cloaca through which they...
Most species of birds do not have external reproductive organs - both the male and female have a single opening called a cloaca through which they...
https://www.etsy.com/market/bird_with_penis
Перевести · Bird with penis (1,618 Results) Price ($) Any price Under $25 $25 to $50 $50 to $100 Over $100 Custom. Enter minimum price to. Enter maximum price Shipping Free shipping. Ready to …
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