News tagged with mated females
When food is scarce, hungry female spiders alter mating preferences
(PhysOrg.com) -- Weather and environmental change can bring alterations – and scarcity – in food resources. In looking at how such changes might affect mating choices and subsequent reproduction, ...
Apr 01, 2011 |
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Opportunity leads to promiscuity among squirrels, study finds
University of Guelph researchers have finally figured out why female squirrels are so darn promiscuous. Turns out it has nothing to do with genes and everything to do with how many males are knocking at their ...
Dec 15, 2010 |
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Pride, prejudice and the 'Darcin effect'
The pheromone that attracts female mice to the odour of a particular male has been identified. Named 'darcin' by researchers writing in the open access journal BMC Biology (after Darcy, the attractive hero in Jane Austen ...
Jun 02, 2010 |
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Scientists show that female fruit flies can be 'too attractive' to males
Females can be too attractive to the opposite sex -- too attractive for their own good -- say biologists at UC Santa Barbara. They found that, among fruit flies, too much male attention directed toward attractive ...
Dec 08, 2009 |
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Opposites attract: Monkeys choose mating partners with different genes
The world's largest species of monkey 'chooses' mates with genes that are different from their own to guarantee healthy and strong offspring, according to a new research study.
Nov 24, 2009 |
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Are female mountain goats sexually conflicted over size of mate?
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 ...
Nov 17, 2009 |
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Female choice benefits mothers more than offspring
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 ...
Oct 22, 2009 |
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Mother knows best: Females control sperm storage to pick the best father
(PhysOrg.com) -- Scientists have found new evidence to explain how female insects can influence the father of their offspring, even after mating with up to ten males. A team from the University of Exeter has ...
Sep 08, 2009 |
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What she sees in you -- facial attractiveness explained
(PhysOrg.com) -- When it comes to potential mates, women may be as complicated as men claim they are, according to psychologists.
Medicine & Health / Psychology & Psychiatry
Aug 24, 2009 |
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Spread your sperm the smart way
(PhysOrg.com) -- Attractive males release fewer sperm per mating to maximise their chances of producing offspring across a range of females, according to a new paper on the evolution of ejaculation strategies. The findings ...
Jul 09, 2009 |
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Good males are bad fathers
Contrary to predictions, males of high genetic quality are not very successful when it comes to fertilizing eggs. A new study on seed beetles by Swedish and Danish scientists Göran Arnqvist and Trine Bilde shows that when ...
Jun 25, 2009 |
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Mothers give interloper's offspring a head start in life
A new study has revealed that mother birds can provide an early advantage to the chicks that they have sired with their non-social partner (known as extra-pair offspring).
May 14, 2009 |
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Female mammals follow their noses to the right mates
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 ...
Mar 17, 2009 |
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Lustful beetles desire water, not sex
(PhysOrg.com) -- Female seed beetles are known for their promiscuity, a surprising fact given that the males of the species have dangerously sharp spikes on their sex organs. Now a U of T Mississauga team ...
Mar 05, 2009 |
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It's in his smell
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, ...
Mar 03, 2009 |
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