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 limited by their number ...
Plants & Animals
Apr 11, 2014
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Offspring from female mice who mate with their preferred male are better able to cope with an experimental infection compared to those of females mated with non-preferred males, according to new results published today. The ...
Evolution
Jan 23, 2014
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Some mammals may have evolved to synchronise births as a way of evading the threat of infanticide, according to a study led by the University of Exeter.
Evolution
Dec 23, 2013
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(Phys.org) —New research shows that the rarer a male guppy's colour pattern, the more attractive he is to females and the more offspring he will father.
Plants & Animals
Oct 30, 2013
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Subordinate female meerkats who try to breed often lose their offspring to infanticide by the dominant female or are evicted from the group. These recently bereaved or ostracised mothers may then become wet-nurses for the ...
Plants & Animals
Oct 7, 2013
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Scientists have successfully analyzed the genetic make-up of the offspring of pregnant coelacanth females for the first time. They found that the likelihood that the offspring is fathered by one single individual is very ...
Plants & Animals
Sep 19, 2013
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When it comes to sex among guppies, competition is high for those at the top of the game. To get around this predicament, a recent study has shown, guppies use trickery.
Plants & Animals
Sep 9, 2013
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(Phys.org) —In many species, females frequently mate with more than one male. Researchers at the University of Veterinary Medicine in Vienna (Vetmeduni Vienna) aimed to find out why. In experiments on wild house mice, they ...
Plants & Animals
Aug 30, 2013
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University of East Anglia scientists have revealed how females select the 'right' sperm to fertilize their eggs when faced with the risk of being fertilized by wrong sperm from a different species.
Evolution
Aug 16, 2013
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Social monogamy, where one breeding female and one breeding male are closely associated with each other over several breeding seasons, appears to have evolved as a mating strategy, new research reveals. It was previously ...
Evolution
Jul 29, 2013
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