News tagged with male competition
When climate is iffy, birds sing a more elaborate tune
May 21, 2009 |
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Why is it that some birds sing such elaborate songs and others not so much? A new study published online on May 21st in Current Biology, a Cell Press publication, says that climate patterns might be part of the answer.
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Male fruit flies change to gain reproductive edge
Apr 14, 2009 |
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(PhysOrg.com) -- When it comes to wooing females, males of all species -- even fruit flies -- try to gain a competitive edge.
How female chimps call off the competition
Biology /
Jun 18, 2008 |
4.6 / 5 (9) |
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Female chimps are more concerned with having sex with many different males than finding the strongest mate, according to researchers.
Males have adapted to battle with competing sperm
Feb 09, 2007 |
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In the context of sexual reproduction, natural selection is generally thought of as a pre-copulation mechanism. We are drawn to features of the human body that tell us our partner is healthy and will provide us a fighting ...
Male flies: Not the world's most sensitive lovers
Jun 12, 2009 |
2.3 / 5 (4) |
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In order to increase their chances of reproductive success, male flies of the species Drosophila montana try to copulate for much longer than the females would like. Researchers writing in the open access journal BMC Evolution ...
Mating that causes injuries
Biology /
Feb 20, 2009 |
2.5 / 5 (2) |
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Researchers at Uppsala University can now show that what is good for one sex is not always good for the other sex. In fact, evolutionary conflicts between the two sexes cause characteristics and behaviors that are downright ...
In the war between the sexes, the one with the closest fungal relationship wins
Nov 10, 2009 |
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The war between the sexes has been fought on many fronts throughout time -- from humans to birds to insects, the animal kingdom is replete with species involved in their own skirmishes. A recent study by Dr. Sarah Eppley ...
Female choice benefits mothers more than offspring
Oct 22, 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 ...
Male deer are born to live fast, die young
Biology /
Aug 31, 2007 |
4.8 / 5 (4) |
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In the September issue of The American Naturalist, Juan Carranza (Biology and Ethology Unit, University of Extremadura, Spain) and Javier Pérez-Barbería (Macaulay Institute, United Kingdom) offer a new ex ...
Gender biases in leadership selection during competitions within and between groups
Medicine & Health / Psychology & Psychiatry
Oct 30, 2008 |
4.7 / 5 (3) |
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What makes a great leader? Traits that we look for typically include a sense of power, great negotiating skills and lots of charisma. However, a recent study suggests that it is not just an outgoing personality and great ...
Sexual Encounters of the Third Kind: Darwin's Beetles Still Producing Surprises
Biology /
Feb 06, 2009 |
4.9 / 5 (10) |
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(PhysOrg.com) -- On the eve of Charles Darwin’s 200th birthday, researchers at the University of New Mexico and University of Montana report a new twist in sexual selection theory - the realm of evolutionary ...
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