How do alligators have sex
Some reptiles such as crocodilians and some turtles are known to display temperature-dependent sex determination TSD , where the ambient temperature of the developing eggs determines the individual's sex. The research has been published in Scientific Reports. Guillette Jr. In their research using American alligators, they found that a thermosensitive protein called TRPV4 is present within the developing alligator gonad inside the egg. Alligator TRPV4 is responsive to warm temperatures near mids, and can activate cell signaling by inducing calcium ion influx.
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How Do Crocodiles Have Sex?
How crocodiles have sex / Boing Boing
All rights reserved. The male American alligator, Alligator mississippiensis , keeps its penis erect but tucked inside its body until mating. More than 10, reptile species in every shape and size scurry and slither across Earth, from garter snakes to crocodiles — and their nether regions are just as wildly varied. From spiky penises to multiple penises—or none at all—reptiles have some of the most unusual mating gear on Earth. Learn how lizard genitalia became a black-market craze. University of Sydney researcher Christopher Friesen says having two hemipenes may benefit males during mating. A close-up view shows the two hemipenes of a male Cape cobra Naja nivea in South Africa.
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How crocodiles have sex
Now, with the help of reader Eirik Lande, you can see what those genitals look like in, er, action. For clarification, that's the female on top in this shot, but they started out in a different position. In Lande's photos you can see the two crocodiles flip, with the help of a "death roll" style move near the end of their mating. That photo is a bit more explicit, but gives you a fairly clear view of what it looks like when Samson shoves his genitals out of his cloaca. The deadly El Reno tornado was 2.
If you want to know whether a crocodile is a male or a female, you have to catch it. Don't bring your good shoes. Even at night the heat is smothering, and a halo of bugs swirls around headlamps as the team motorboats down waterways or stalks the animals from shore. When Murray and his colleagues spot a croc, often half-submerged, they wade in after it or pursue it in the boat.
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