News tagged with sexual competition

Why fruit fly sperm are giant

In the animal kingdom, sperm usually are considerably smaller than eggs, which means that males can produce far more of them. Large numbers of tiny sperm can increase the probability of successful fertilization, especially ...

dateMay 25, 2016 in Plants & Animals
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Monkeys put off sex by bystanders

Monkeys shy away from bystanders during copulation, irrespective of the bystanders' gender or rank. The new study, by Anne Overduin-de Vries and her team from the Biomedical Primate Research Centre in the Netherlands, also ...

dateOct 30, 2012 in Plants & Animals
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