Latest Sexual selection Stories
Since the days of Darwin, scientists have considered bird song to be an exclusively male trait, resulting from sexual selection. Now a team of researchers say that's not the whole story.
Pinning down the answer to a widely-asked question is one of the most exciting things a researcher can do. For Thomas Cullen, who completed the research as part of his Master's degree at Carleton University, this experience came early in his career.
The correlations between evolution and sperm, infidelity and sex will be a key element of Sexus, which will open in mid-February – and stay open for the entire year – to celebrate the museum’s bicentennial.
Flies living with their brothers cause less harm to females during courting than those living with unrelated flies, say Oxford University scientists.
Waterfowl such as ducks, geese and swans belong to the order Anseriformes. Game birds such as pheasants, partridges, hens and turkeys are known as the order Galliformes. The birds belonging to both of these orders are recognized not only for their meat, but also for their elegant display of their plumage.
Researchers at Bielefeld University and the Technische Universität Braunschweig are the first to confirm the benefit of multiple paternities for a vertebrate under completely natural conditions.
A team of researchers from Penn State University recently examined the relationship between body-color patterning and mating behavior in the fence lizard, Sceloporus undulatus, which is found ranging across the Eastern US.
A male spider that gives its selected female a nuptial gift is allowed to mate with her for a longer period of time and provide more sperm than a male that fails to come with a gift.
Syracuse University 'Current Biology' article marks culmination of 6 years of research Female promiscuity—something that occurs in a majority of species, including humans—results in the ejaculates from two or more males overlapping within her reproductive tract. When this happens, sperm compete for fertilization of the female's eggs. In addition, the female has the opportunity to bias fertilization of her eggs in favor of one male's sperm over others. These processes,...
It is common for parents to influence mate choice — from arranged marriages to more subtle forms of persuasion — but they often disagree with their children about what makes a suitable partner.
- In medieval musical notation, a sign or neume denoting a shake or trill.