dominance hierarchy


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dom·i·nance hi·er·ar·chy

a social situation in which one organism dominates all below it, the next all below it, and so on down to the organism dominated by all; for example, the pecking order in apes, seals, barnyard hens, and other species.

dominance hierarchy

a phenomenon in animal societies where some members are subordinate to others, giving a reproductive advantage to the less subordinate members. see PECKING ORDER.
References in periodicals archive ?
Complicating matters just slightly is that we must also factor the dominance hierarchy and social stress into our simple equation.
Although the primary function of sexual courtship is to advertise fitness to prospective mates (Andersson, 1994), conspicuous displays can also serve to establish a dominance hierarchy among individuals of the same sex (Mateos and Carranza, 1999; Parker and Ligon, 2002; Vergara and Martinez-Padilla, 2012).
Patterns of neural circuit activation and behavior during dominance hierarchy formation in freely behaving crayfish.
During our study period, the dominance hierarchy was stable across the whole year.
Individual recognition and the dominance hierarchy in the domesticated pig.
Key words: sociality, sibling rivalry, dominance hierarchy, urine
Animals naturally form somewhat small groups where all of the individuals know each other and have established a dominance hierarchy, which eliminates constant fighting and allows the animals to form bonds with one another.
We evaluated 1) whether pairs are the fundamental unit of parrot social structure, 2) the patterns and extent of fission--fusion dynamics, 3) patterns of aggression and dominance hierarchy structure, and 4) whether individuals share foraging information.
Bulls, which are more likely to be found in forested areas, develop a dominance hierarchy that determines mating eligibility.
These interactions were either in accordance with the existing dominance hierarchy in that group or they reflected a possible rank reversal, whereby a low-ranking individual was showing off to a higher-ranking bird.
2005) which still are unable to influence responses to the treatments imposed to the population, and also, part of this intragroup variation comes from the social behavior from the dominance hierarchy in all groups of gregarious animals, but with the results revealed herein, the increased number of feeding environments may have reduced the influence of dominance hierarchy and thus the weight variability was lower and allowed growth results and animal indices to be higher than mentioned in literature (BARBOSA et al.
He said that during pre-rut, which begins in late October, bucks start the process of establishing the dominance hierarchy with other bucks and scent-checking does to see when they are coming into estrous.