Dominance Hierarchy - Dominance in Birds

Dominance in Birds

In Dunnocks, two or three males may share one or more females in a polyandrous or polygynandrous mating system. This leads to the males' ranges to overlap so they would cooperate in order to defend the territory. Among the males is a dominance hierarchy: older birds tend to be the alpha male and first year birds are usually the beta males. Studies have not found cases of close male relatives being involved in any mating combinations.

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