Primate Sperm Competition: Speed Matters -- ScienceDaily - chimpanzee sperm human spem

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Humanzee - Wikipedia chimpanzee sperm human spem


Sperm cells from the more promiscuous chimpanzee and rhesus macaque species swim much faster and with much greater force than those of humans and gorillas, species where individual females mate primarily with only one male during a reproductive cycle.​ Researchers at UC San Diego.

There are large differences between sperm counts (total number of sperm found in an ejaculate) of humans and chimpanzees. Chimpanzees and bonobos.

Am J Phys Anthropol. Oct;(2) Functional evidence for differences in sperm competition in humans and chimpanzees. Anderson MJ(1).