It's a well-established fact that ducks are having way kinkier sex than you, but new research shows they're also having safer sex while they're doing it. Duck semen kills germs--protecting sperm from damaging bacteria--and lady ducks might be able to tell which guy ducks have the most antibacterial semen just by looking at how colorful their beaks are, the BBC's Ella Davies reports.
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Scientists and Journalists Still Obsessed With Duck Sex
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