Males that mate more often are more insecure about their social status than those mating less, according to new research on the behaviour of burying beetles.
The study, published in the journal Evolution, provides new evidence that the social sensitivity of male behaviour is linked to how often male beetles mate. (more…)
Married men and women who divide household chores in traditional ways report having more sex than couples who share so-called men’s and women’s work, according to a new study co-authored by sociologists at the University of Washington.
Other studies have found that husbands got more sex if they did more housework, implying that sex was in exchange for housework. But those studies did not factor in what types of chores the husbands were doing. (more…)
A study conducted by scientists at the Max Planck Institute for Ornithology in Seewiesen, Germany has shown that the male members of a sandpiper population who spend less time sleeping are more successful at mating with females and have more offspring.
The sandpiper mating season takes place during the summer in the Arctic Circle, when the sun practically never goes down. Males of the species compete to impress females by fighting with each other, defending territory, and flying over the females while making a hooting sound. (more…)
