MADISON -- Beyond the lineage of primates, according to scientific gospel, social behavior is dictated primarily by competition for resources such as food, territory and reproduction. That may well be ...

Among the various species that form mixed-species bird flocks, "nuclear species" are thought to be important in flock formation and maintaining flock cohesion. Such nuclear species have been noted to ...

Researchers describe neural mechanisms for gregariousness and monogamy in zebra finches in a new article. How do gregarious songbirds such as zebra finches, where both males and females live in close ...

Sexual harassment and female gregariousness in the South American sea lion, Otaria flavescens. "Most colonial pinnipeds [fin-footed animals] form extreme clusters of breeding females that cannot be ...

Ministers, he declared, are like cabbages: they do not head well when they are planted too close together. But though clerical gregariousness may be carried to an excess, a certain amount of it is ...