Bisexual fish boost mating chances
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.
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 early human evolution, when faithful females began to choose good providers as mates, pair-bonding replaced promiscuity, laying the foundation for the emergence of the institution of the modern family, a new study finds.
Social Sciences
May 28, 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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The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...
Plants & Animals
Oct 22, 2009
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Female birds often choose their mates based on fancy feathers. Female mammals, on the other hand, may be more likely to follow their noses to the right mate. That's one conclusion of Cambridge zoologist Tim Clutton-Brock ...
Plants & Animals
Mar 17, 2009
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A female moth selects a mate based on the scent of his pheromones. An analysis of the pheromones used by the European Corn Borer (ECB, Ostrinia nubilalis), featured in the open access journal BMC Biology, shows that females ...
Plants & Animals
Mar 3, 2009
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