Table 1

Glossary of terms.




A set of individuals observed in the field moving, resting, or interacting non-aggressively within an approximately 500 m radius of one another.


A set of individuals that repeatedly associate together such that they form a distinct unit which is revealed by an objective analytical clustering method.


The set of individuals that the central individual, called 'ego', is directly connected to.

Social unit

A general term describing sets of socially affiliated individuals. Social units can form at different levels. For example, an individual's ego-network, a social unit at one level, may be embedded in a larger network, constituting a social unit of a higher level.

de Silva et al. BMC Ecology 2011 11:17   doi:10.1186/1472-6785-11-17

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