Do newly discovered mating habits of female Tasmanian devils help or hurt the...
Wild female Tasmanian devils have mating habits that could pose a challenge for conservationists trying to maintain genetic diversity in species recovery programs, found Morris Animal Foundation-funded...
View ArticleGlobal tracking devices negatively affect the survival rate of sage-grouses
A new study in The Condor: Ornithological Applications finds that currently-available global positioning system (GPS) tracking devices, previously thought to not alter animal survival rates, can...
View ArticleWomen close the gender gap in television coverage of Olympics
Women in the United States may still have to contend with a shortfall in their lifetime earnings and a glass ceiling in the boardroom, but they've closed the gender gap in at least one arena—the...
View ArticleQueen bees face increased chance of execution if they mate with two males...
Queen stingless bees face an increased risk of being executed by worker bees if they mate with two males rather than one, according to new research by the University of Sussex and the University of São...
View ArticleLord of the flies: Competition breeds a better ejaculate
Researchers at the University of Oxford have discovered that male fruit flies adjust their seminal fluid depending on the levels of competition from other males.
View ArticleResearchers discover more male than female mammalian fossils in museum...
A team of researchers from the University of Adelaide and the Polish Academy of Sciences has found that there are, on average, many more male mammalian fossil specimens in museums than female. In their...
View ArticleSexual selection influences the evolution of lamprey pheromones
In "Intra- and Interspecific Variation in Production of Bile Acids that Act As Sex Pheromones in Lampreys," published in Physiological and Biochemical Zoology, Tyler J. Buchinger and others find that...
View ArticleStudy shows female students perform better on longer tests
A team of researchers from Universitat de les Illes Balears and Erasmus University Rotterdam, has found that female students score better than male students on tests over two hours long. In their paper...
View Article'Extreme mating' killing tiny marsupials en masse: researchers
A tiny marsupial found only in northwest Australia mates so intensely that an entire generation of males can die off during a single breeding season, researchers reported on Friday.
View ArticleBuzzkill? Male honeybees inject queens with blinding toxins during sex
They say love is blind, but if you're a queen honeybee it could mean true loss of sight.
View ArticleTransgenic mosquitoes pass on genes to native species
Transgenic mosquitoes released in Brazil in an effort to reduce the population of disease-bearing insects have successfully bred and passed on genes to the native mosquito population, a new Yale...
View ArticleFemale gorillas must balance the reproductive costs of staying with or...
When a gorilla group's silverback is close to the end of his reproductive years, females face a dilemma: Should they stay with him until he dies or leave him for another male? A team of researchers...
View Article16 things you probably didn't know about cephalopod sex
If you've ever seen the Monterey Bay Aquarium's "Tentacles" exhibit, you know that cephalopods (squids, octopuses, and their kin) are awesome creatures. They can change the texture and color of their...
View ArticleMale Trinidad guppies find food thanks to females
For male Trinidad Guppies applies: if you are hungry, seek female company. A recent study led by scientists of the the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) and the Leibniz...
View ArticleBlack boys, grief, and guns in urban schools
In 2008, a group of Chicago Public Schools students were on a leadership retreat for Black male students roughly 40 miles outside the city. Ignoring the cold of the fall night, 16 of those students...
View ArticleScientists identify previously unknown 'hybrid zone' between hummingbird species
We usually think of a species as being reproductively isolated—that is, not mating with other species in the wild. Occasionally, however, closely related species do interbreed. New research just...
View ArticleOverweight Danes are more likely to have overweight dogs according to new...
A new study from the University of Copenhagen reports that the prevalence of overweight dogs is markedly larger among overweight owners than among normal weight owners. Part of the explanation lies in...
View ArticleMale common marmosets smell female fertility
Scientists from the University of Leipzig and the Max Planck Institute for Evolutionary Anthropology found that male common marmosets are able to detect the fertile phase of females based on changes in...
View ArticleThe next generation: mice can reproduce after space stints, study finds
Male mice that spent more than a month in space were able to successfully reproduce back on Earth, a study has found, the first evidence of how space travel affects reproduction in mammals.
View ArticleThe dark giraffe, the new dark horse
Darker male giraffes have been found to be more solitary and less social than their lighter-colored counterparts, according to new research from The University of Queensland.
View ArticleOlder male sparrows seem to father more chicks by getting more sperm to the egg
Researchers are a step closer to solving the puzzle of why older male sparrows are more successful at mating and producing chicks.
View ArticleImprinting on mothers may drive new species formation in poison dart frogs
The old saying that people marry their parents may be true for poison dart frogs, and it may even lead to the formation of new species, according to a new study in Nature based on work at the...
View ArticleInvesting in love and affection pays off for species that mate for life
The males of species that form long-lasting pair-bonds, like many birds, often continue to make elaborate displays of plumage, colors and dances after they mate with a female. While their time and...
View ArticleMale and female mice have different brain cells
Caltech researchers have discovered rare brain cell types that are unique to male mice and other types that are unique to female mice. These sex-specific cells were found in a region of the brain that...
View ArticleGenes linked to sex ratio and male fertility in mice
One of the more recent trends among parents-to-be is the so-called gender reveal, a party complete with pink or blue cake to answer the burning question, "Is it a boy or girl?" After all, it's presumed...
View ArticleHow the mouse X and Y chromosomes compete with each other to control offspring
The molecular function of genes in mice has a major influence on the sex of their offspring, according to a new discovery that reveals more about the impact of genes on animal fertility.
View ArticleNew species take longer to arise in the Amazon
Amazonia is home to the greatest number of species on earth, many now threatened, but a new study published October 22 in the open-access journal PLOS Biology by Jason Weir from the University of...
View ArticleMale specimens preferred by animal collectors, study suggests
Museum collections of birds and mammals may be disproportionately skewed to favour males, even if female members of the species outnumber males in the wild, according to research published Wednesday.
View ArticleMale spiders show their sensitive side
The sensory capacity of male spiders during mating may be higher than previously thought, a study in the open access journal Frontiers in Zoology suggests.
View ArticleWomen CEOs judged more harshly than men for corporate ethical failures
People are less likely to support an organization after an ethical failure if the business is led by a woman, according to a study published by the American Psychological Association. However,...
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