Advances in genetics in recent years has revealed that many apparently exclusive pairs in fact sometimes mate with individuals other than their partner, but social monogamy is widespread.

The accidental finding marks the first time a phenomenon called cytoplasmic sterility, known to occur in plants, has been found in animals.

Using an acoustic camera, researchers were able to locate individual male wood frogs by their mating calls and determine which songs the females liked best.

During their escape, male spiders can reach speeds in excess of 3 kilometers per hour thanks to their springy front legs.

The University of East Anglia researcher was best known for his contributions to the study of sexual selection, particularly post-copulatory sperm competition.

Researchers find that wild baboons are generally good at avoiding inbreeding, but that it’s more likely to occur with paternal than maternal relatives.

A single gene called BMP11 regulates not only the size and proportions of a water strider’s massively long third legs, but also how it uses the limbs in fights.

Long-lived species decrease their reproduction more than short-lived species in response to lower-than-normal precipitation, and thereby gain a survival advantage, a study finds.

Researchers use advanced imaging techniques to see what happens when a male and a female mate.

A protein present in the ejaculate of male fruit flies activates long-term memory formation in the brains of their female partners.

A study finds two species of guenon monkeys in Tanzania have been mating and producing fertile offspring for generations.

A unique courtship dance clued researchers in to the fact that they had a new species on their hands.

A group of around 300 whales produced 184 distinct songs over just a few years, according to a new study.

Scientists explore why male peacock spiders are so colorful. 

Researchers document the loudest sound ever recorded in fish.

“Nature’s melodies” may be a human construct that says more about us than about the musicality of other animals.

A survey of sounds from birds to whales to fruit flies to fish

Idiot Brain, Wild Sex, Why Diets Make Us Fat, and The Ethics of Invention