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Jan 12, 2022 · Chickens peck those with lower status and are in turn pecked by higher-ranking birds. “He’s like the Charles Darwin of dominance hierarchies,” Hobson said. “Many kernels of insight he had 100 years ago hold up today.”. An introductory article by Hobson and her co-editors draws liberally from Schjelderup-Ebbe’s colorful writing to ...
Jan 10, 2022 · In a dominance hierarchy, individuals are arrayed in a line from most to least dominant; individuals are dominant to those below them in the hierarchy and subordinate to those above them in the hierarchy. In most social groups, dominance hierarchies are more linear than expected by chance . Some of this linearity is owing to differences in ...
Jan 10, 2022 · These dominance ranks are then compared with other covariates of interest to understand causes and consequences of position in the dominance hierarchy in social systems . Although the traditional static approach has produced valuable insight into the role of dominance in social systems, it side-steps challenges associated with the dynamics of dominance, i.e. changes in dominance hierarchies ...
Strikingly, pollen dominance seems to be the rule in such systems, with instances of co‐dominant expression being rare and restricted to pairs of alleles that are already high in the dominance hierarchy [S 13 S 20 in Arabidopsis halleri (Llaurens et al., 2008) and class I S‐alleles in Brassica (Hatakeyama et al., 1998)]. More generally, sexually antagonistic selection acting within a locus ...
Department of Human Evolutionary Biology, Harvard University, Cambridge, MA Henrich@fas.harvard.edu ORCid: 0000-0002-5012-0065 ABSTRACT Dominance is the aspect of social hierarchy that arises from agonistic interactions involving actual aggression or threats and intimidation. Accumulating evidence points to its importance in
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Jun 29, 2023 · In studies 5 a, 5 b, 6 a, 6 b, 7 a and 7 b, we used looking time to test infant inferences of novel dominance relations, building on the well-known tendency of infants to look longer at events ...
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Jun 10, 2020 · Social groups are commonly structured as a dominance hierarchy based on a ranking system whereby higher-ranked individuals have better access to valuable resources such as food and mates but they ...
