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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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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What lures a lady frog to her lover? Good looks, the sound of his voice, the size of his pad or none of the above? After weighing up their options, female strawberry poison frogs (Oophaga pumilio) bag the closest crooner ...
Plants & Animals
May 20, 2013
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The Black Widow spider gets its name from the popular belief that female spiders eat their male suitors after mating. However, a new study has shown that the tendency to consume a potential mate is also true of some types ...
Plants & Animals
May 6, 2013
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(Phys.org)—A new study provides the first evidence of polyandry – when females choose to mate with more than one male – in female fallow deer.
Plants & Animals
Jan 30, 2013
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In an unusual mating strategy, hard-up males of a tiny, promiscuous fish species engage in homosexual acts in a bid to entice females to copulate with them, a study said Wednesday.
Plants & Animals
Dec 12, 2012
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Choosing a mate is one of the most important decisions an individual of any species will make in its life. It is therefore perhaps a surprise that a new study, of which I'm a co-author, has revealed a bird puts only half ...
Plants & Animals
Oct 4, 2012
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In many organisms females directly or indirectly select mates (or sperm) and potentially influence the fitness of their offspring. Mate choice and sexual selection in plants is more complex in some ways than in animals because ...
Plants & Animals
Jun 27, 2011
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Mate choice, competition, and the variety of resources available are the key factors influencing how a species evolves into separate species, according to a new mathematical model that integrates all three factors to reveal ...
Evolution
Jun 24, 2011
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Mountain goats are no exception to the general rule among mammals that larger males sire more and healthier offspring. But University of Alberta researcher David Coltman has found a genetic quirk that might make female mountain ...
Plants & Animals
Nov 17, 2009
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