New research from evolutionary biologists at the University of Toronto shows that the male guppy grows claws on its genitals to make it more difficult for unreceptive females to get away during mating.
Plants & Animals
Aug 2, 2013
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Some males will go to great lengths to pursue a female and take extreme measures to hold on once they find one that interests them, even if that affection is unrequited. New research from evolutionary biologists at the University ...
Plants & Animals
Jul 24, 2013
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Females play a larger role in determining paternity than previously thought, say biologists in Syracuse University's College of Arts and Sciences. Their findings are the subject of a new paper titled "Female mediation of ...
Plants & Animals
Jun 10, 2013
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Sex can trigger remarkable female responses including altered fertility, immunity, libido, eating and sleep patterns—by the activation of diverse sets of genes, according to research from the University of East Anglia.
Plants & Animals
Sep 11, 2012
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Sex differences account for some of the most of the spectacular traits in nature: the wild colours of male guppies, the plumage of peacocks, tusks on walruses and antlers on moose. Sexual conflict – the battle between ...
Plants & Animals
May 3, 2012
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Male praying mantises are more likely to engage in risky mating behavior if they have not had recent access to females, as reported Apr. 25 in the open access journal PLoS ONE. Female praying mantises are known for their ...
Plants & Animals
Apr 25, 2012
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(PhysOrg.com) -- In a new study titled Male-Female Coevolution in the Wild: Evidence from a Time Series in Artemia Franciscana and published in Evolution, evolutionary ecologist Nicolas Rode from the Centre for Functional ...
Aggressive male mating behavior might well be a successful reproductive strategy for the individual but it can drive the species to extinction, an international research team headed by evolutionary biologist Daniel Rankin ...
Plants & Animals
May 16, 2011
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In a recent study published in Animal Behavior, biology researchers Kristina Karlsson Green and Josefin Madjidian at Lund University in Sweden have shown that animals' and plants' traits and behavior in sexual conflicts are ...
Plants & Animals
Mar 18, 2011
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A new study published today shows a genetic 'battle of the sexes' could be much harder to resolve and even more important to evolution than previously thought.
Plants & Animals
Nov 4, 2010
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