News tagged with sexual conflict

Why guppies have genital claws

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.

Aug 02, 2013
4.5 / 5 (4) 1 | with audio podcast

Coevolution not healthy for the female sea monkey

(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 Cent ...

Jun 20, 2011 report
3.7 / 5 (3) 1 | with audio podcast

Human gender roles influence research on animals

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 co ...

Mar 18, 2011
1 / 5 (2) 4

Female marine snails trick amorous males

Sexual conflict is not only a human phenomenon. Swedish scientists at the University of Gothenburg have shown that females of the rough periwinkle conceal their gender identity in order to avoid excessive ...

Sep 13, 2010
not rated yet 0

Old males win sex battle

(PhysOrg.com) -- Old roosters can still dominate the sexual pecking order even when their ability to fertilise eggs drastically declines, new Oxford University research has shown.

Jun 25, 2010
3.6 / 5 (7) 0 | with audio podcast

The sexual tug-of-war -- a genomic view

The genes that are most beneficial to males are the most disadvantageous for females, and vice versa. However, this genetic conflict between the sexes is important in maintaining genetic variation within a species, researchers ...

Mar 15, 2010
not rated yet 1