Females of some species in the wild may not be able to prevent unwanted sex with males. In many crustaceans, males forcibly mate with females who often receive sperm from multiple males. In other ...

Female chimps are more concerned with having sex with many different males than finding the strongest mate, according to researchers. The new study suggests that female chimps keep quiet during sex so ...

Pseudo-copulation--an interaction that mimics sexual copulation--is a behavior known in mammalian communities that reduces aggression and signifies social dominance, particularly among males. However, ...

This is a preview. Log in through your library . Abstract The loud and elaborate songs of male songbirds are thought to serve in territorial defense and to stimulate reproductive behavior in the ...

This is a preview. Log in through your library . Abstract In many odonates, females mate with more than one male while laying a single clutch of eggs. We studied paternity of eggs laid by remated ...

From Nature’s Nether Regions: What the Sex Lives of Bugs, Birds, and Beasts Tell Us About Evolution, Biodiversity, and Ourselves by Menno Schilthuizen. Reprinted by arrangement with Viking. Tucked ...

WHEN observing cultures of Panagrolaimus rigidus to examine their life-history, copulation seemed to depend simply on chance encounters between males and females. However, as males often touched males ...

John Long receives funding from The Australian Research Council and Flinders University. The intimate act of copulation is old – very old. In fact, it first evolved in ancient armoured placoderm ...