X-Rated Turtles Saved From Extinction by…. Vibrators?

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X-Rated Turtles Saved From Extinction by…. Vibrators?IT’S HARD TO FIND A MALE WITHOUT A VIBRATOR

Have you ever heard about the specialists who can identify male versus female chicks?  It’s virtually impossible to do so, though after weeks of experience some people are just able to do so by instinct after so much collaboration.  But evidently that is not the case when it comes to turtles.  Efforts to save turtle populations may have just gotten a boost by using vibrators to “out” males from the stimulation, making it easier to then pair them to females and generate more mating success.

GENDER BENDER, OR HARD TO GET OUT OF THE SHELL?

Evidently gender identification with some turtles is extremely difficult.  Though many species exhibit dimorphic features (meaning male and female identifying features), they often share visible traits making them indistinguishable.  If you are a conservationist, this can prove to be a big challenge. If your goal is to get a male to mate with a female, it can be a challenge if you can’t even identify gender.

SCIENTISTS THINK HARD, AIM FOR HARD TURTLES BY WAVING MAGIC WAND

Taking a novel approach to this problem, Donald McKnight, from James Cook University in Australia, and his colleagues turned to vibrators. “Vibrators may provide a more broadly applicable method of penile eversion,” they wrote in the journal Acta Herpetologica, noting how in 2013, scientists found that a vibrator “could be used to induce ejaculation in male turtles, and ejaculation was preceded by a visible erection.”

Considering those findings, the team thought vibrators could be used to elicit an erection in male turtles, providing a means of sexing them. In the study, they focused on four species of freshwater turtles whose sex could be determined from sexual dimorphisms such as size and color. This meant they could work out how often a vibrator caused an erection in turtles known to be males.

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SOME TURTLES TAKE TO STIMULATION MORE THAN OTHERS

The vibrator stimulation method was not entirely perfect. In one species, Apalone spinifera, or spiny softshell turtles, the success rate was 100 percent, while in another, Sternotherus odoratus (common musk turtles), it was only 55.6 percent. For the other two species, Deirochelys reticularia miaria (western chicken turtles), and Kinosternon subrubrum hippocrepis (Mississippi mud turtles), it was 64.7 percent and 80 percent, respectively.

FLUFFER SKILLS NEEDED AS TURTLE NEEDS, PREFERENCE,  NUANCED

“In general, turtles appeared to respond best when only the tip of the vibrator was touching them, and when the vibrator had fresh batteries and was set on the fastest setting,” the team wrote. “Also, they seemed to respond best when the tip was held firmly against them (rather than allowing it to bounce), but not be pressed hard against them. Both allowing it to bounce and pressing it too hard generally resulted in turtles holding their limbs and tail tightly against the body, rather than relaxing.”

They also found it was better to move the vibrator around in small, slow, steady circles.

While the method is not necessarily a “silver bullet” for sexing all problematic turtles, it is a reliable means for some species. “It is cheaper, easier to implement in the field, and less invasive than many of the alternative techniques, and it has already proved useful in our own research,” they wrote.

None of the species studied are at risk of extinction, but many turtles are. The researchers say their findings, where appropriate, could be used by conservationists in some instances: “We think that it will enhance other research projects.”

 

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