Researchers at the University of Exeter found that older male burying beetles make better fathers than their younger counterparts. The study found that mature males, who had little chance of reproducing again, invested more ...
Plants & Animals
Jun 18, 2013
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Scientists have modified mosquitoes to produce sperm that will only create males, pioneering a fresh approach to eradicating malaria.
Cell & Microbiology
Jun 10, 2014
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In the bird world, male and female blue tits are hard to distinguish for the human observer. However, in the UV-range, visible to birds, the male is much more colourful. A closer look at the monogamous mating system of these ...
Evolution
Apr 3, 2013
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Scientists are a step closer to explaining one of the most enduring mysteries of modern biology; why are there males and females?
Evolution
Dec 19, 2011
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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 females ...
Plants & Animals
Dec 8, 2009
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A long-term study of copperhead snakes in a forest near Meriden, Connecticut, revealed that five consecutive years of drought effectively ended the snakes' reproductive output.
Ecology
Oct 29, 2019
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The mating success of male butterflies is often lower if they are inbred. But how do female butterflies know which males to avoid? New research reveals that inbred male butterflies produce significantly less sex pheromones, ...
Plants & Animals
Mar 5, 2013
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Subordinate female meerkats who try to breed often lose their offspring to infanticide by the dominant female or are evicted from the group. These recently bereaved or ostracised mothers may then become wet-nurses for the ...
Plants & Animals
Oct 7, 2013
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Offspring from female mice who mate with their preferred male are better able to cope with an experimental infection compared to those of females mated with non-preferred males, according to new results published today. The ...
Evolution
Jan 23, 2014
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A team of researchers from Uppsala University, the University of Cincinnati and the University of Toronto has found that there are benefits for female seed beetles mating with males with extra-long spiny genitalia. In their ...
