Testis size matters for genome evolution
In many primates, females mate with multiple partners, causing an often-intense competition amongst males to pass along their DNA to be king of the genome as well as the jungle.
View ArticleRare female crocodile suffocated during mating in Dutch zoo
A very rare and endangered female crocodile has died of suffocation in a Dutch zoo during attempted mating with a "dominant" male partner, the zoo said on Wednesday.
View ArticleStudy shows male bowerbirds manipulate female color perception
(Phys.org) —A trio of researchers in Australia has found that there is more to bowerbird bowers and colored objects used by the males than has been previously thought. In their paper published in...
View ArticleTiny male spiders can get a leg over—as long as they're picky
Males will mate with anything. Well, that is the general view, one that exists because of a simple biological underpinning: females are reproductively limited by costly gestation, while males are only...
View ArticleStudy brings greater clarity to sex roles
Glossy magazines and TV reality shows often portray males as the gender that strays and females as the gender that's picky.
View ArticlePicky male black widow spiders prefer well-fed virgins
New University of Toronto Scarborough research shows that male black widow spiders prefer their female mates to be well-fed virgins – a rare example of mate preference by male spiders.
View ArticleSexual conflict affects females more than males, says new research on beetles
Researchers at the University of Exeter have found that sexual conflict over mating impacts the parental care behaviour and reproductive productivity of burying beetles.
View ArticleFemales prefer lovers not fighters, horned beetle study finds
It's official (in the horned beetle world at least), females prefer courtship over competitiveness – and it doesn't matter about the size of your mandibles either.
View ArticleLizard species found to reduce head bobbing mating ritual when predators are...
(Phys.org) —A team made up of researchers from several universities in the U.S. has found that male brown anoles (Anolis sagrei)—a type of lizard, dramatically reduced its head bobbing mating dance...
View ArticleResearchers test whether Red Queen hypothesis makes species resilient
In Lewis Carroll's 1871 classic novel Through the Looking Glass, the Red Queen tells Alice: "Now, here, you see, it takes all the running you can do, to keep in the same place."
View ArticleHow female fruit flies know when to say 'yes'
A fundamental question in neurobiology is how animals, including humans, make decisions. A new study publishing in the open access journal PLOS Biology on October 7 reveals how fruit fly females make a...
View ArticleMale songbirds don't have to be studs to find a mate
Biologists at the University of North Carolina at Chapel Hill may have good news for male songbirds: You might not have to be a stud to attract a mate.
View ArticleIncrease in bear infanticide linked to hunting
(Phys.org) —Studies conducted by multinational government and academic institutes have shown that bear hunting can indirectly increase cub mortality by 81 per cent.
View ArticleCuttlefish males prefer mysterious mate, on-heat females available
A new study has investigated the mating preferences of the giant Australian cuttlefish, finding that females were most receptive if they had not recently mated, while male cuttlefish demonstrated a...
View ArticleFemale color perception affects evolution of male plumage in birds
The expression of a gene involved in female birds' color vision is linked to the evolution of colorful plumage in males, reports a new study from the University of Chicago. The findings, published Nov....
View ArticleLove at first smell: Can birds choose mates by their odors?
Mate choice is often the most important decision in the lives of humans and animals. Scientists at the Konrad Lorenz Institute of Ethology at the Vetmeduni Vienna have found the first evidence that...
View ArticleVariety is the spice of humble moth's sex life
A small brown moth has one of the most complex sex lives in the insect world, new research has found.
View ArticleFishes' innate food choice could change with the environment
The fact that fish choose their food based on what colours they can see, as opposed to how it tastes, is an inherited trait that could have implications for the evolution in the animal kingdom, new...
View ArticleLove, love me do: Male beetles that have more sex are more insecure, study shows
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.
View ArticleFemale mice do not avoid mating with unhealthy males
Female mice are attracted more strongly to the odour of healthy males than unhealthy males. This had already been shown in an earlier study by researchers from the Konrad Lorenz Institute of Ethology...
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