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The alpaca (Vicugna pacos) uses a reproductive technique never confirmed in any other mammal

Zoonar GmbH / Alamy

Alpacas are the only mammals known to science in which males deposit sperm directly into the uterus. This unusual reproductive method inflicts small internal injuries that may help improve the chances of pregnancy.

Patricia Brennan at Mount Holyoke College in Massachusetts and her team examined and dissected the reproductive systems of 10 female alpacas that were euthanised within 24 hours of mating. They found bloody abrasions throughout the whole reproductive tract, suggesting that the male alpaca’s…

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Felecia Phillips Ollie DD (h.c.) is the inspiring leader and founder of The Equality Network LLC (TEN). With a background in coaching, travel, and a career in news, Felecia brings a unique perspective to promoting diversity and inclusion. Holding a Bachelor's Degree in English/Communications, she is passionate about creating a more inclusive future. From graduating from Mississippi Valley State University to leading initiatives like the Washington State Department of Ecology’s Equal Employment Opportunity Program, Felecia is dedicated to making a positive impact. Join her journey on our blog as she shares insights and leads the charge for equity through The Equality Network.

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