(Phys.org) -- A Stirling researcher has identified between 20 and 30 manual gestures used by a community of wild chimpanzees, used to communicate with others in a range of activities including nursing, feeding, sex, aggression ...
Plants & Animals
Jul 15, 2012
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In a project led by the Max Planck Institute for Evolutionary Anthropology in Leipzig, an international team of scientists has completed the sequencing and analysis of the genome of the last great ape, the bonobo. Bonobos, ...
Plants & Animals
Jun 13, 2012
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An Indiana University biologist has shown that natural variation in measures of the brain's ability to process steroid hormones predicts functional variation in aggressive behavior.
Plants & Animals
Jun 6, 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, however, invest ...
Plants & Animals
Jan 23, 2012
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(PhysOrg.com) -- Fruit fly aggression is correlated with smaller brain parts, involves complex interactions between networks of important genes, and often cannot be controlled with mood-altering drugs like lithium.
Plants & Animals
Sep 29, 2011
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A new study reveals that distinct networks of genes in the honey bee brain contribute to specific behaviors, such as foraging or aggression, researchers report.
Plants & Animals
Sep 26, 2011
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An angry glare from the family goldfish might not be the result of a missed meal, but a too-humble abode. Fish in a cramped, barren space turn mean, a study from Case Western Reserve University has found. Ornamental fishes ...
Plants & Animals
Sep 22, 2011
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(PhysOrg.com) -- In a recent study published in The Auk, researchers claim they have found evidence that humans are not the only species where child abuse is a socially transmitted behavior.
Scientists have found that a native British parasitoid wasp has been found to be very effective at controlling the shore flies that infest lettuce and celery greenhouses, damaging crops and annoying farmers.
Plants & Animals
Jul 5, 2011
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(PhysOrg.com) -- Weather and environmental change can bring alterations – and scarcity – in food resources. In looking at how such changes might affect mating choices and subsequent reproduction, University of Cincinnati ...
Plants & Animals
Apr 1, 2011
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