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Accessed 17 November 2024. Dominance hierarchy, a form of animal social structure in which a linear or nearly linear ranking exists, with each animal dominant over those below it and submissive to those above it in the hierarchy. Dominance hierarchies are best known in social mammals, such as baboons and wolves, and in.
- The Editors of Encyclopaedia Britannica
520 species. A dominance hierarchy (formerly and colloquially called a pecking order) is a type of social hierarchy that arises when members of animal social groups interact, creating a ranking system. A dominant higher-ranking individual is sometimes called alpha, and the submissive lower-ranking individual a beta.
Dominance hierarchies are found in many species of bird. For example, the blue-footed booby brood of two chicks always has a dominance hierarchy due to the asynchronous hatching of the eggs. One egg is laid four days before the other, and incubation starts immediately after laying, so the elder chick is hatched four days before the younger chick and has a four-day head start on growth.
Jan 10, 2022 · Transitive inference may be favoured in social species with linear dominance hierarchies because it allows animals to keep track of dominance relationships while minimizing direct conflict. Further, hierarchies may form much more quickly when animals use transitive inference and social observation to assess rival ranks than when ranks are determined via direct aggressive competition [ 63 ].
For example, during social play juveniles receive reinforcement from adults about how dominance hierarchies work, and what it means to have a given rank within a social group of a given species ...
Jan 1, 2021 · For example, in female-philopatric species where males disperse, females are able to form nepotistic dominance hierarchies that are stable over generations, where kin support each other in agonistic encounters and rank close together, as they remain in the same group with their female kin throughout their lives (e.g., yellow baboons; Silk et al ...
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Jan 12, 2022 · Dominance hierarchies were first described in chickens a century ago by a Norwegian zoologist who coined the term “pecking order.”. Since then researchers such as University of Cincinnati biologist Elizabeth Hobson have examined the intricacies of conflict and competition in species as diverse as primates, whales, birds and insects.
