Here are some truly unusual copulation methods that seemingly unassuming animals practice regularly.
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Pandas
Chances are, you'll have a hard time believing this one. A while ago, zookeepers realized it was close to impossible to breed Pandas in captivity. In fact, it seemed as though they had absolutely no interest in having sex whatsoever. Then one day, though don't ask us why, a worker at a research base in Sichuan Province, China had a very bright idea indeed--he showed them Panda porn!
In all honesty, it has been discovered that steamy videos of Pandas getting it on seriously excites these adorable black and white bears, making this one of the weirdest sexual discoveries about any animal ever!