Among many species, breeding preferences and tactics can differ among males and females. When aggressive behavior by males toward unreceptive females goes awry, it may result in failure to reproduce, and in some cases, fatality ...
A team of researchers with the Yellowstone Wolf Project at the Yellowstone Center for Resources, in Yellowstone National Park, in Wyoming, has found that wolves in the park who become infected with Toxoplasma gondii, a common ...
The brain mechanisms that cause aggressive behavior have been well studied. Far less understood are the processes that tell the body when it's time to stop fighting. Now, a new study by Salk scientists identifies a gene and ...
Molecular & Computational biology
Sep 7, 2022
0
706
White-necked jacobin hummingbirds sport a colorful blue-and-white plumage as juveniles. When they grow into adulthood, males retain this dazzling pattern, while females develop a more "muted" palette of green and white—at ...
Plants & Animals
Sep 7, 2022
1
194
A new study shows that social isolation changes the behavior and brain development of bumblebees, but not in the way researchers expected.
Plants & Animals
Jul 12, 2022
0
317
Researchers often study the genomes of individual organisms to try to tease out the relationship between genes and behavior. A new study of Africanized honey bees reveals, however, that the genetic inheritance of individual ...
Plants & Animals
Jul 6, 2020
1
362
A team of researchers with members from Taiwan, the U.S., China and the U.K. has found evidence that suggests the reason females of most species live longer than males is because of male aggressive tendencies. In their paper ...
A team of researchers from France and Australia has identified the neurological mechanism that underlies honeybee aggression in response to threats. In their paper published in Proceedings of the Royal Society B, the group ...
(Phys.org) —When one encounters a group of fruit flies invading their kitchen, it probably appears as if the whole group is vying for a sweet treat. But a closer look would likely reveal the male flies in the group are ...
Cell & Microbiology
Jan 17, 2014
0
0
Have you ever found yourself struggling to get your order taken at a crowded bar or lunch counter, only to walk away in disgust as more aggressive customers elbow their way to the front? It turns out that flies do much the ...
Plants & Animals
Dec 6, 2009
1
0
