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Female Moles Grow Testicles to Fight Through Their Brutal Underground Existence – ScienceAlert

If any animal understands the horrors of trench warfare, it has to be the mole. Faced with an enemy, there’s no time for pleasantries. No place to hide. Aggress…

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If any animal understands the horrors of trench warfare, it has to be the mole. Faced with an enemy, there’s no time for pleasantries. No place to hide. Aggression is all that matters.
To help them fight in this brutal world, evolution has granted the female mole a generous dose of ‘roid rage’ by tacking some testicles onto her ovaries  resulting in a unique bit of anatomy called an ovotestis.
Now, researchers have a better understanding of how this fascinating biological change came about.
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