Just in case you'd like to know: Alpaca sex is weird, biologically speaking. In a new paper this month, scientists have presented evidence that male alpacas impregnate their partners by thrusting their penises all the way up inside the female's uterus--a tactic not documented with any other mammal species to date.
Just in case you'd like to know: Alpaca sex is weird, biologically speaking. In a new paper this month, scientists have presented evidence that male alpacas impregnate their partners by thrusting their penises all the way up inside the female's uterus--a tactic not documented with any other mammal species to date.
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