TIL male kangaroos have two penises that sit below the balls, females have 3 vaginas, and in the process of trying to find out why/ how this works, I learned echidnas have 4 penises but only 2 can...
TIL male kangaroos have two penises that sit below the balls, females have 3 vaginas, and in the process of trying to find out why/ how this works, I learned echidnas have 4 penises but only 2 can...
www.theguardian.com Australian researchers discover why only two of echidna’s four penis heads become erect at one time
The major blood vessel of the penis splits into two main branches which each supply two of the four penile heads
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The original was posted on /r/todayilearned by /u/kay_tee_tee on 2023-07-18 01:14:29+00:00.
Original Title: TIL male kangaroos have two penises that sit below the balls, females have 3 vaginas, and in the process of trying to find out why/ how this works, I learned echidnas have 4 penises but only 2 can get hard at once (wtf even is nature!?)
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