Related topics: aggression

Substances associated with bee ferocity reported

Brazilian researchers may have discovered why Africanized honeybees are so aggressive. The scientists detected higher levels of certain chemical substances in the brains of Africanized honeybees than in gentler strains of ...

Sequenced fox genome hints at genetic basis of behavior

For nearly 60 years, the red fox has been teaching scientists about animal behavior. In a long-term experiment, foxes at the Russian Institute of Cytology and Genetics have been selected for tameness or aggression, recreating ...

Inside the brains of killer bees

Africanized honeybees, commonly known as "killer bees," are much more aggressive than their European counterparts. Now researchers have examined neuropeptide changes that take place in Africanized honeybees' brains during ...

Stressed-out meerkats less likely to help group

Dominant female meerkats use aggression to keep subordinates from breeding, but a new study finds this negative behavior also can result in the latter becoming less willing to help within the group.

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