TIL that a species of flatworm sword fights with their penises to mate

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TIL that a species of flatworm sword fights with their penises to mate

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Today I Learned (TIL)@lemmy.ca · 2 years ago

Meet the Penis-Fencing Flatworm | The Mating Game | BBC Earth

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“Each reveals its two-pronged penis” 😳 Things you didn’t expect to hear Sir David Attenborough say…Discover more beautiful and bizarre animal performances l...

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