(Phys.org) —Behavioral biologists at the University of Nebraska have found that male dark fishing spiders become immobile immediately after mating and die a short time later. In their paper published in the journal Biology ...
When a new species emerges following adaptive changes to its local environment, the process of choosing a mate can help protect the new species' genetic identity and increase the likelihood of its survival. But of the many ...
Plants & Animals
Jun 19, 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) —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 examined the behavior ...
Plants & Animals
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 consume male ejaculate ...
Plants & Animals
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 pheromones play ...
Biochemistry
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 ...
Plants & Animals
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 ONE.
Plants & Animals
Aug 22, 2012
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Hormone-mimicking chemicals released into rivers have been found to impact the mating choices of fish, a new study has revealed. The controversial chemical BPA, which emits oestrogen-like properties, was found to alter an ...
Ecology
Jul 11, 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 known for their ...
Plants & Animals
Apr 25, 2012
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