Family crucial to orca survival

Orcas live in stable, structured social groups. And their survival directly depends on it, as a CNRS and University of La Rochelle research team has just demonstrated. Between 1996 and 2002, half of the Crozet Islands orca ...

Bonobo moms play an active role in helping their sons find a mate

Many social animals share child-rearing duties, but research publishing May 20 in the journal Current Biology finds that bonobo moms go the extra step and actually take action to ensure their sons will become fathers. From ...

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Social group

A group can be defined as two or more humans that interact with one another, accept expectations and obligations as members of the group, and share a common identity. By this definition, society can be viewed as a large group, though most social groups are considerably smaller.

A true group exhibits some degree of social cohesion and is more than a simple collection or aggregate of individuals, such as people waiting at a bus stop. Characteristics shared by members of a group may include interests, values, ethnic or social background, and kinship ties. According to Paul Hare, the defining characteristic of a group is social interaction.

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