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 ...
May 06, 2013
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(Phys.org) —An international team of researchers, including an entomologist at the University of California, Riverside, has an explanation for why we see so many hybrid moths in nature. The team closely ...
Apr 16, 2013
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Females in the animal kingdom have many methods available to them to help bias male paternity. One such process is displayed by Euxesta bilimeki, a species of Ulidiid fly, whose females expel and then consum ...
Apr 11, 2013
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(Phys.org)—Diatoms (unicellular photosynthetic organisms) reproduce through asexual cell division alternating with short periods of sexual reproduction. A German and Belgian team has now determined that ...
Dec 14, 2012
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When it comes to sex, animals of all shapes and sizes tend behave in predictable ways. There may be a chemical reason for that. New research from Rockefeller University has shown that chemicals in the brain—neuropeptides ...
Oct 26, 2012
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Female sea slugs mate more frequently than required to produce offspring, despite the highly traumatic and biologically costly nature of their copulation, as reported Aug. 22 in the open access journal PLOS ON ...
Aug 22, 2012
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Male praying mantises are more likely to engage in risky mating behavior if they have not had recent access to females, as reported Apr. 25 in the open access journal PLoS ONE. Female praying mantises are kn ...
Apr 25, 2012
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Robot squirrels from the University of California, Davis, are going into rattlesnake country near San Jose, continuing a research project on the interaction between squirrels and rattlesnakes.
Apr 03, 2012
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Mate competition by males over females is common in many animal species. During mating season male testosterone levels rise, resulting in an increase in aggressive behavior and masculine features. Male bonobos, ...
Jan 23, 2012
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(PhysOrg.com) -- In a move that females of any species would likely recognize, the small copper female butterfly has evolved a strategy of dissuading amorous males that is both effective and energy conserving; ...
Jun 02, 2011
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Birds do it. Bees do it. Fish, lobsters, frogs and lizards do it, too. But when it comes to securing a mate in the animal world, variety is literally the spice of life.
May 25, 2011
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Aggressive male mating behavior might well be a successful reproductive strategy for the individual but it can drive the species to extinction, an international research team headed by evolutionary biologist Daniel Rankin ...
May 16, 2011
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Theories have long proposed that testosterone influences competition among males trying to attract females. Findings from a recent study at Wayne State University give a clearer understanding of the links between testosterone ...
Mar 11, 2011
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