Chimpanzees and bonobos are often thought to reflect two different sides of human nature—the conflict-ready chimpanzee versus the peaceful bonobo—but a new study published in Current Biology shows that, within their own ...
Plants & Animals
Apr 12, 2024
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364
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 ...
Male whales along Australia's eastern seaboard are giving up singing to attract a mate, switching instead to fighting their male competition.
Plants & Animals
Feb 16, 2023
0
43
A polar bear that killed a young mother and her baby last month in western Alaska was likely an older animal in poor physical condition, but tests came back negative for pathogens that affect the brain and cause aggressive ...
Ecology
Feb 7, 2023
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6
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
Mating changes female behavior across a wide range of animals, with these changes induced by components of the male ejaculate, such as sperm and seminal fluid proteins. However, males can vary significantly in their ejaculates, ...
Plants & Animals
Apr 21, 2021
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11
The ability to recognize relatives can make life more dangerous for the female of the species, new research carried out at the University of St Andrews, the Institute for Advanced Study in Toulouse and the University of Valencia ...
Plants & Animals
May 26, 2020
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24
Fruit flies, like many animals, engage in a variety of courtship and fighting behaviors. Now, Salk scientists have uncovered the molecular mechanisms by which two sex-determining genes affect fruit fly behavior. The male ...
Biotechnology
Apr 29, 2020
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121
Meerkat clans perform a 'war dance' to frighten opponents and protect their territory, according to a new UCL and University of Cambridge study.
Plants & Animals
Dec 17, 2019
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148
Once a bully, always a bully?
Plants & Animals
Dec 2, 2019
0
6
