Intra-horn Penile Intromission in the Alpaca Vicugna pacos and Consequences to Genital Morphology.
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DOI: 10.1093/icb/icab050
Abstract: Copulatory behavior and genital morphology interact to deliver sperm more effectively during mating, but the nature of this interaction has not been explored in depth in most vertebrates. Alpacas have unusually long copulations lasting 15-20 minutes,… read more here.
Keywords: uterine horns; genital morphology; penis; horn penile ... See more keywords