Changes in dominance status erode personality and behavioral syndromes

Rudin, Fabian S.; Tomkins, Joseph L.; Simmons, Leigh W.

doi:10.1093/beheco/arw151

Cited by 29 publications

(18 citation statements)

References 57 publications

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“…We had expected correlations between behaviors based on our previous study (Rudin et al. ). Our finding implies the existence of “behavioral types” (Bell, ) because, for example, crickets that covered more distance during a trial also emerged more quickly from a shelter or moved at higher velocities.…”

Section: Discussionmentioning

confidence: 99%

“…These personality traits have been found to have fitness consequences (e.g., Wolf et al 2007;Smith and Blumstein 2008;Cote et al 2010;Niemelä et al 2012) and can, therefore, be expected to be important in the evolution of behavior. In a previous study, we found that in T. oceanicus, dominance status, and changes therein, can have marked impacts on the expression and repeatability of and correlations among boldness, exploration, and activity (Rudin et al 2017). Additionally, changes in the social environment, namely male acoustic sexual signals, appear to have a greater impact on the expression and repeatability of these behaviors than an abiotic startle stimulus (Rudin et al 2018).…”

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confidence: 85%

“…In a previous study, we found that in T. oceanicus , dominance status, and changes therein, can have marked impacts on the expression and repeatability of and correlations among boldness, exploration, and activity (Rudin et al. ). Additionally, changes in the social environment, namely male acoustic sexual signals, appear to have a greater impact on the expression and repeatability of these behaviors than an abiotic startle stimulus (Rudin et al.…”

mentioning

confidence: 92%

“…; Rudin et al. ). These personality traits have been found to have fitness consequences (e.g., Wolf et al.…”

mentioning

confidence: 98%

“…Here, we used the Australian field cricket (Teleogryllus oceanicus) to investigate the effect of the social environment on genetic variation and covariation in the expression of behaviors commonly quantified in animal personality studies; boldness, exploration, and activity (Carter et al 2013;Rudin et al 2017). These personality traits have been found to have fitness consequences (e.g., Wolf et al 2007;Smith and Blumstein 2008;Cote et al 2010;Niemelä et al 2012) and can, therefore, be expected to be important in the evolution of behavior.…”

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confidence: 99%

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Social cues affect quantitative genetic variation and covariation in animal personality traits

2019

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The social environment is expected to have substantial effects on behavior, and as a consequence, its heritability and evolvability. We investigated these effects by exposing Australian field crickets (Teleogryllus oceanicus) to either silence or recordings of male acoustic sexual signals. We used a combined pedigree and full‐sib/half‐sib breeding design to estimate the repeatability, heritability, and evolvability of behaviors related to boldness, exploration, and activity. All behaviors measured were significantly repeatable in both social environments. Additionally, most behaviors showed significant heritabilities in the two environments. We found no difference in repeatabilities between the silent and the acoustic environment but did find significant differences in the heritabilities and evolvabilities between these environments. There was a high degree of similarity between the phenotypic covariance matrices across the two environments, while the genotypic covariance matrices were highly dissimilar. Reflecting this, we found significant genotype‐by‐environment interactions for most of the behaviors. Lastly, we found that the repeatable aspect of behavior (“personality”) was significantly heritable for most behaviors, but that these heritabilities were higher in the acoustic than in the silent environment. We conclude that the social environment can have a significant impact on the heritability and evolvability of behavior, and argue that evolutionary inferences from phenotypic studies should be made with caution.

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Section: Discussionmentioning

confidence: 99%

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confidence: 85%

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confidence: 92%

“…; Rudin et al. ). These personality traits have been found to have fitness consequences (e.g., Wolf et al.…”

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confidence: 98%

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confidence: 99%

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Social cues affect quantitative genetic variation and covariation in animal personality traits

2019

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Temporal consistency and ecological validity of personality structure in common marmosets (Callithrix jacchus): A unifying field and laboratory approach

Šlipogor

Massen

Schiel

et al. 2021

American J Primatol

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Personality in animals has been extensively researched in recent decades. Temporal consistency of behaviors is almost always part of the personality definition and is usually explored in several different testing sessions or observation periods. However, it is still unclear whether the obtained personality constructs are stable across several years, which might be especially important for long-living animals, such as primates. Further, little is known on whether the personality structures obtained in the laboratory reflect the structures obtained under ecologically relevant conditions in the wild. Therefore, we conducted a battery of personality tests on common marmosets (Callithrix jacchus) (N = 27), compared it with a test battery conducted 4 years beforehand on a subset of animals in captivity (N = 13) and ran an adapted version under field conditions at Baracuhy Biological Field Station, Brazil (N = 18). Under captive conditions, we found a remarkably similar personality structure across 4 testing years. Further, we found high long-term temporal consistency in the first two personality components, Boldness and Exploration; however, monkeys that changed their social (i.e., breeding) status between the two testing periods showed a significant increase in Boldness scores. Under field conditions, we found a somewhat similar personality structure as compared to the laboratory, which to some extent corroborates ecological validity of our personality test design. Nevertheless, whether the structure in the wild is suppressed or expanded in comparison to captivity, and in which way the social setting influences personality structure, should be further explored. Taken together, our results contribute to the discussion about the reliability and ecological validity of personality structures in nonhuman primates.

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Activity‐aggression behavioural syndromes exist in males but not in females of the field cricket Teleogryllus emma

Han,

Lee,

Moon

2023

Ecology and Evolution

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Previous studies on sex differences in behaviour have largely focused on differences in average behaviours between sexes. However, males and females can diverge not only in average behaviours but also in the direction of behavioural correlations at the individual level (i.e. behavioural syndromes). Behavioural syndromes, with their potential to constrain the independent evolution of behaviours, may play a role in shaping sex‐specific responses to selection and contributing to the development of sex differences in behaviour. Despite the pivotal role of behavioural syndromes in the evolution of sexual dimorphism in behaviour, robust empirical evidence of sex differences in behavioural syndromes based on repeated measurements of behaviours is scarce. In this study, we conducted repeated measurements of activity and aggression in male and female field crickets Teleogryllus emma, providing evidence of sex differences in the existence of behavioural syndromes. Males exhibited a significantly positive behavioural syndrome between activity and aggression, whereas females, in contrast, did not show any aggressive behaviour, resulting in the absence of such a syndrome. The sex differences in the existence of the activity‐aggression behavioural syndromes in this species could be attributed to differences in selection. Selection favouring more active and aggressive males may have shaped a positive activity‐aggression behavioural syndrome in males, whereas the absence of selection favouring female aggression may have resulted in the absence of aggression and the related behavioural syndrome in females. However, given the plasticity of behaviour with changes in age or the environment, further research is needed to explore how sex differences in the existence of activity‐aggression behavioural syndromes change across contexts. Furthermore, understanding the genetic underpinning of sex differences in a behavioural syndrome would be pivotal to assess the role of behavioural syndromes in the evolution of sexual dimorphism in behaviours.

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Changes in dominance status erode personality and behavioral syndromes

Cited by 29 publications

References 57 publications

Social cues affect quantitative genetic variation and covariation in animal personality traits

Social cues affect quantitative genetic variation and covariation in animal personality traits

Temporal consistency and ecological validity of personality structure in common marmosets (Callithrix jacchus): A unifying field and laboratory approach

Activity‐aggression behavioural syndromes exist in males but not in females of the field cricket Teleogryllus emma

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