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Flatworm Penis Fencing

Here’s a video documenting a mating behavior called “penis fencing” engaged in by a certain species of hermaphroditic flatworm. I probably fooled you into thinking this is something that happens at a frat party, but it’s just an example of the beauty of procreative science.

I'm the Editorial Director of BuzzFeed Life. I like shopping and bubblegum. Ask me about my UK hardcore band.
 
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