Animal Vagina

Animal Vagina
What’s Your First Fandom? | New York Comic Con 2022
Free Credit With Samsung Galaxy S22, S22+, & S22 Ultra
Buy the Galaxy S 22 for $800 at Samsung
What’s Your First Fandom? | New York Comic Con 2022
A couple of months ago, I helped out in Patricia Brennan’s lab when she made casts of dolphin vaginas. You heard me correctly. Dolphin vaginas.
Brennan is well-known among biologists for her work on sexual conflict in ducks , and on the internet for her high-speed videos of duck erection . I’ve known Brennan for years – the world of biologists who study the evolution of penises is pretty damn small. Seeking Brennan’s expertise in examining complex, three dimensional models of vaginas, Texas A&M graduate student Dara Orbach traveled all the way to Massachusetts with a crate of frozen dolphin parts. I tagged along to help with the messy, messy work that followed.
Orbach is trying to figure out how female dolphins control which males father their babies.
Like humans, females in many dolphin species mate all year round. But the ocean is big, which means it’s not easy for males to find females while they’re in the fertile part of their cycle. So when they find one, males tend to pile on in groups. When it comes to having sex, male dolphins are kind of assholes.
Dolphins use a number of different gang bang strategies to get a chance at fatherhood. Among bottlenose dolphins, two or three males may form an alliance to ride herd on a female for a few weeks, keeping her close, and away from any other potential mates. Dusky dolphins have a more free-for-all style: four or five males chase after a fertile female, each one trying to get close enough to jam his penis into her vagina during a 5-second schtup-and-run – it’s pure competition, both for the number of times a male gets close enough to copulate and the amount of sperm he can leave inside a female each time.
Early Black Friday If you decide to pick up a new Samsung Galaxy S22, you’ll get a cool $50 to put toward the purchase of a tablet, smartwatch, earbuds, and more. Purchasing a Galaxy S22+ will net you $100 in credit with the S22 Ultra giving $150. Each also come with four free months of YouTube Premium as well as six months of 100GB OneDrive cloud storage.
Female dolphins can try to avoid the pile-ons. They can try to outswim males; they can slap them in the head with their tails; or they can roll onto their backs at the surface of the water, putting their ladybits in the air and out of reach. But it’s a limited menu for choosing who will be the father of the next baby dolphin. Orbach is trying to figure out whether female dolphins, like female ducks, can also exercise a preference for a particular male during sex.
Female ducks manage that feat with a twisted, complex vaginal canal that can shunt unwanted male attention–and sperm–into blind alleys far from their eggs. And biologists already knew that dolphin vaginas, when opened up in dissection, contained a series of muscular flaps and ridges . What we didn’t know was how those flaps and ridges were arranged in three dimensions.
There was really only one way to find out. And it involved a lot of silicone, along with several dolphin vaginas.
We started by setting up frames to hang the vaginal tracts inside once they were filled, weighed down with anything remotely heavy we could find in the lab space. (That’s why you’ll see a big wrench in the film above.)
We popped a cylinder of silicone and curing agent into a caulking gun, and squeezed the goo into the open end of each vagina. Casting was a two-person operation: one pushed the silicone mix out of the gun while the other massaged the outer walls of the vagina and got the casting material into all its cavities and folds. Once the vagina was completely full, we pushed a wooden popsicle stick through the center of the silicon to provide support to the mold when we pulled it out again, and left it hanging in the frame to cure.
After about 40 minutes, the silicone set. Now came the biggest challenge: removing the cast from the vagina without damaging the tissue. We couldn’t just cut it free: dolphin tissue is hard to get hold of, and Orbach needed to save what she had for other parts of her study. We squeezed, and pulled, and peeled, and squeezed, and gently rotated the tissue until the cast came free.
We were amazed at the results. What look like semi-random muscular flaps in a cut and flattened vagina are actually the framework surrounding a beautiful spiral space. This is not your standard mammalian tube.
What do the spirals mean for dolphin sex? Will they let female dolphins control where a penis goes, the way a duck vagina does? We won’t know until Orbach does her analysis. We’ll be watching her research to find out more.
Images: Greenland whale from Meek 1918; dolphin vagina cast from Diane Kelly
Top video: Patricia Brennan, research associate Teri Orr, and Dara Orbach prep casts of dolphin vaginas. As one does. Video: D. Kelly, Chris Person. Video of dolphins mating by David Stone from Vimeo
Contact the author at diane@io9.com .

Listverse is a Trademark of Listverse Ltd
Copyright (c) 2007–2022 Listverse Ltd
All Rights Reserved
| Terms Of Use
Privacy Policy

Jamie founded Listverse due to an insatiable desire to share fascinating, obscure, and bizarre facts. He has been a guest speaker on numerous national radio and television stations and is a five time published author.
Evolution has provided us with a huge variety of animal genitalia to study. It turns out that while human sexuality is complex, it just doesn’t rise to the comparison with some members of the animal kingdom. Here is a list of some of the strangest genitalia to be found in nature.

Humans have the largest penises of all primates, both in relative and absolute terms. Compared to barnacles, however, we humans are mere tiddlers. Once barnacles leave their juvenile stage, they become anchored to a single spot, from which they’re unable to move. This is one instance of playing it too cool, and it presents something of a problem when they’re looking for a mate.
Lots of sessile organisms get around this problem by simply releasing their sperm, and hoping it will find an egg. For this purpose, the barnacle has developed the longest penis, relative to its body size, in the animal kingdom. The penis extends from the shell of the barnacle, and uses a swinging motion to locate a mate before releasing its sperm.

The penis of the echidna has been described as the most frightening penis in the world. Some of the other entries on this list might give it a run for its money, but it must be acknowledged that it is not a thing of beauty. The penis terminates in four cup-shaped heads. This shape of penis may seem unwieldy to those of us familiar with something else altogether – and indeed, even an echidna will admit that it’s inconvenient, since it doesn’t correspond to the echidna vagina. In order to prepare for mating, two of the four heads must shrivel, and the other two must rotate to ensure a more comfortable fit.

Kangaroo populations can explode into a hopping plague, and their incredible ability to reproduce is in no small way down to their unusual genitalia. The female kangaroo has three vaginas and two uteri. Two of the vaginas lead to the uteruses, and allow sperm to reach the eggs; the third is used to birth joeys. This complex system allows the kangaroo to be permanently pregnant. A female kangaroo can have a joey in her pouch, a foetus developing in one uterus, and produce an egg for fertilisation in the second uterus. Remarkably, a kangaroo foetus can also be put into a kind of suspended animation, so that its birth will be delayed until the mother’s pouch becomes free for her next baby.

Flatworms have both male and female genitalia – but that’s not so uncommon in nature to be noteworthy. What is unbelievable about flatworms is that when they mate, they fight with their penises in order to decide which of the mating pair will be the female and develop eggs. Creating eggs expends a lot of energy, and is therefore undesirable – which explains their fight for the right to wear the pants. The mating worms parry with their sharp penises, and the winner is the first one to penetrate the flesh of the other. This dueling is known as ‘penis fencing’, because scientists are awesome.

Since the burden of producing offspring is usually entirely borne by the female, it often happens in nature that the females have adaptations to control their fertilisation. Of course, there is also an evolutionary drive in males to fertilise females, and with this aim in mind, males can perform something called ‘traumatic insemination’. We have already seen this in flatworms, but it can also occur in species which have defined sexes. The genitalia of the female bedbug is used only for laying eggs. To fertilise the female, the male bed bug uses a hypodermic penis to pierce the female’s exoskeleton, and inject his sperm directly into her body. His sperm then migrates through the female in search of her ovaries.

For honey bees too, reproducing is quite a traumatic experience. The queen bee, on reaching sexual maturity, is mobbed by male bees. In some bee species, she will receive sperm from several males and store it for several years in a special organ for reproduction. Male honey bees, in particular, have a dramatic way of ensuring they are the sole mate of the queen. The queen – in mid-flight – is usually surrounded by a dozen males trying to impregnate her. The first one to succeed in penetrating the queen will explode his sexual organs, with a pop sometimes loud enough to be heard. This detaches his genitals, and leaves them – and his sperm – with the queen. This stops other males from getting any ideas.

Sexing animals to tell whether they are male or female can take a great deal of training. In the case of the hyena, even the visible genitals are not as helpful as they could be. The clitoris and the penis are analogous organs in mammals, and in some species the clitoris can be sufficiently large to be termed a pseudo-penis. The clitoris of hyena females is almost indistinguishable from the male penis. They also have a scrotal sack, filled with fat and a fused vulva. Hyenas mate through the clitoris, and through it they also (one assumes somewhat painfully) give birth.

Cannibalism is a fact of life for several spider species, and often it is linked with mating. From the viewpoint of evolution, the opportunity to pass on your genetic material at the cost of being eaten is a fair trade. The orb-weaver spider Nephilengys malabarensis has found a way to get the most out of its risky sexual behaviour. Male spiders use organs called palps, similar to penises, to transfer their sperm to the female. It is during this time of contact that the female may eat them. To escape this fate, the male can detach his palp and leave it to continue having sex with the female, while the rest of him scampers off. Since a male spider has two palps, he can have sex with two females in this fashion. The detached penis blocks the female’s genitals, and thus also allows more sperm to be transferred.

Argonauts are a type of octopus, whose females create a thin shell for themselves – a little like a nautilus. While the female of the species gets a pretty shell, male Argonauts get a more extreme adaptation. They have a special arm, which they use to transfer their sperm to the female. This arm, called the hectocotylus, has its own tail and organs of sensation to guide it to the female. The arm detaches from the octopus, and swims towards the female before pumping sperm into her. The male, essentially, has sex in absentia. Such a method probably evolved as a variation of what we have already seen in other animals: the tradition of leaving disembodied penises with the female, transferring the maximum amount of sperm to his mate.
The leopard slug is one of the largest slugs in the world, but it is the size of its penis – and the things it does with it – which earn it a place on the list. Since they are hermaphrodites, both mates in a pair will use their penises for mating. As seen in the video, the mating slugs intertwine, and dangle on a thread of mucous while hanging from a ledge. This position is needed to allow the intertwining of the pair’s penises. From the right side of each slug’s head, a penis almost as long as the slug itself expands and flails in search of its partner penis. Once this discovery is made, the penises entwine and pass sperm to each other, before retracting and passing it to the eggs.

16 Pictures Of Animal Genitalia Because Why The Hell Not?
16 Pictures Of Animal Genitalia Because Why The Hell Not?
Photo: Instagram/mother_of_monsters
The content you see here is paid for by the advertiser or content provider whose link you click on, and is recommended to you by Revcontent. As the leading platform for native advertising and content recommendation, Revcontent uses interest based targeting to select content that we think will be of particular interest to you. We encourage you to view your opt out options in Revcontent's Privacy Policy
Want your content to appear on sites like this? Increase Your Engagement Now!
Want to report this publisher's content as misinformation? Submit a Report
Here's the thing about scientists: they may be brilliant and spend most of their time researching and discovering things, but they can be goofy and hilarious, too.
When you're spending hours putting one drop of liquid on a slide or studying the mating habits of dung beetles, you can get a little stir crazy. And what better way to let off steam than to tweet pictures of animal genitalia?
#JunkOff is taking over the internet with it's often disgusting, outrageous, and completely true pictures of animals and their junk. These photos may be safe for work (or not), but it's definitely not something you want to look at before a meal.
Everything about the Echidna is unique, especially his four-headed penis.
You don't want to mess with this big boy under any circumstances.
Now you know why they say, "Hung like a horse."
Yes, that spiral is exactly what you think.
Tiny screaming alien or alligator penis — you decide.
Look closely — underneath this wasted lemur is genitalia.
"You'd be surprised at what I'm hiding under my shell."
Slimy! Two slugs making sweet, sweet love.
His body may blend into the environment, but his penis sticks out like a sore thumb ... or something.
Cats are wonderful animals, known for their soft fur, loving nature, and barbed penises.
The content produced by YourTango is for informational and educational purposes only. Our website services, content and products are not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please consult your doctor before taking any action. See additional information
© 2022 by Tango Publishing Corporation All Rights Reserved.

From Wikipedia, the free encyclopedia
This article is about the birth canal. For the external female sex organs, see vulva . For other uses, see Vagina (disambiguation) .
Diagram of the female human reproductive tract and ovaries
Sympathetic: lumbar splanchnic plexus Parasympathetic: pelvic splanchnic plexus

^ Stevenson A (2010). Oxford Dictionary of English . Oxford University Press . p. 1962. ISBN 978-0-19-957112-3 . Archived from the original on June 3, 2021 . Retrieved October 27, 2015 .

^ Nevid J, Rathus S, Rubenstein H (1998). Health in the New Millennium: The Smart Electronic Edition (S.E.E.) . Macmillan . p. 297. ISBN 978-1-57259-171-4 . Archived from the original on June 3, 2021 . Retrieved October 27, 2015 .

^ Lipsky MS (2006). American Medical Association Concise Medical Encyclopedia . Random House Reference . p. 96. ISBN 978-0-375-72180-9 . Archived from the original on June 3, 2021 . Retrieved October 27, 2015 .

^ Jump up to: a b c d e f g Dalton M (2014). Forensic Gynaecology . Cambridge University Press . p. 65. ISBN 978-1-107-06429-4 . Archived from the original on September 17, 2020 . Retrieved October 27, 2015 .

^ Jones T, Wear D, Friedman LD (2014). Health Humanities Reader . Rutgers University Press . pp. 231–232. ISBN 978-0-8135-7367-0 . Archived from the original on June 3, 2021 . Retrieved October 27, 2015 .

^ Jump up to: a b Kirkpatrick M (2012). Human Sexuality: Personality and Social Psychological Perspectives . Springer Science & Business Media . p. 175. ISBN 978-1-4684-3656-3 . Archived from the original on April 22, 2021 . Retrieved February 3, 2016 .

^ Hill CA (2007). Human Sexuality: Personality and Social Psychological Perspectives . Sage Publications . pp. 265–266. ISBN 978-1-5063-2012-0 . Archived from the original on June 3, 2021 . Retrieved February 3, 2016 . Little thought apparently has been devoted to the nature of female genitals in general, likely accounting for the reason that most people use incorrect terms when referring to female external genitals. The term typically used to talk about female genitals is vagina , which is actually an internal sexual structure, the muscular passageway leading outside from the uterus. The correct term for the female external genitals is vulva , as discussed in chapter 6, which includes the clitoris, labia majora, and labia minora.

^ Sáenz-Herrero M (2014). Psychopathology in Women: Incorporating Gender Perspective into Descriptive Psychopathology . Springer . p. 250. ISBN 978-3-319-05870-2 . Archived from the original on April 22, 2021 . Retrieved February 3, 2016 . In addition, there is a current lack of appropriate vocabulary to refer to the external female genitals, using, for example, 'vagina' and 'vulva' as if they were synonyms, as if using these terms incorrectly were harmless to the sexual and psychological development of women.'

^ Jump up to: a b c d e f g Snell RS (2004). Clinical Anatomy: An Illustrated Review with Questions and Explanations . Lippincott Williams & Wilkins. p. 98. ISBN 978-0-7817-4316-7 . Archived from the original on March 10, 2021 . Retrieved October 27, 2015 .

^ Jump up to: a b c d e f g h i j k l m n o p q Dutta DC (2014). DC Dutta's Textbook of Gynecology . JP Medical Ltd. pp. 2–7. ISBN 978-93-5152-068-9 . Archived from the original on July 4, 2019 . Retrieved October 27, 2015 .

^ Drake R, Vogl AW, Mitchell A (2016). Gray's Basic Anatomy E-Book . Elsevier Health Sciences . p. 246. ISBN 978-0-323-50850-6 . Archived from the original on June 4, 2021 . Retrieved May 25, 2018 .

^ Jump up to: a b Ginger VA, Yang CC (2011). "Functional Anatomy of the Female Sex Organs" . In Mulhall JP, Incrocci L, Goldstein I, Rosen R (eds.). Cancer and Sexual Health . Springer . pp. 13, 20–21. ISBN 978-1-60761-915-4 . Archived from the original on December 16, 2019 . Retrieved August 20, 2020 .

^ Ransons A (May 15, 2009). "Reproductive Choices" . Health and Wellness for Life . Human Kinetics 10%. p. 221. ISBN 978-0-7360-6850-5 . Archived from the original on May 6, 2016 . Retrieved October 27, 2015 .

^ Beckmann CR (2010). Obstetrics and Gynecology . Lippincott Williams & Wilkins . p. 37. ISBN 978-0-7817-8807-6 . Archived from the original on February 15, 2017 . Retrieved January 31, 2017 . Because the vagina is collapsed, it appears H-shaped in cross section.

^ Jump up to: a b c d e f Standring S, Borley NR, eds. (2008). Gray's anatomy : the anatomical basis of clinical practice (40th ed.). London: Churchill Livingstone. pp. 1281–4. ISBN 9
Gloryhole Swallow Asher 2nd Visit
Heels Mature Tube
Sex Jeans Parzerrs Hd Videos

Animal Vagina

Report Page