Discover and read the best of Twitter Threads about #sexualweaponry

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The Painted Turtle is one of the most well-studied turtles in the world. What's left to learn? This is a thread about their unexpected love life...

researchgate.net/publication/34…

Now published "Sex, shells, and weaponry", the final research paper from MSc project of Patrick Moldowan Image
This project took shape from field observations: Ever noticed that Painted Turtles have a "buck-toothed" beak? Why? And why are these "teeth" more variable in size and often larger in males compared to females?

@jr4science + Matt Keevil were instrumental in idea development! Image
These turtle "teeth" are called #tomiodonts and it turns out that turtles can have one (monocupsid), or two (bicuspid), or three (tricuspid), or none at all!

Learn more about these curious structures here:
researchgate.net/publication/28…

... but why? Do they have a function? Image
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