Mammals articles
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Alpacas found to be the only mammal to directly inseminate the uterus
A pair of biologists from Mount Holyoke College, working with a colleague from North American Camelid Studies Program, the Nunoa Project, has found that the male alpaca thrusts his penis all the way into the uterus of the female during mating, making the camelid the only mammal known to do so.
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First mammal-to-human transmission of H5N1 'bird flu' confirmed
US genetic analysis shows farm worker caught virus from a cow, likely through touch or aerosol