Participation in cooperative prey capture and the benefits gained from it are associated with individual personality

Lichtenstein, James L. L.; Wright, Colin M.; Luscuskie, Lauren P.; Montgomery, Graham A.; Pinter‐Wollman, Noa; Pruitt, Jonathan N.

doi:10.1093/cz/zow097

Cited by 17 publications

(17 citation statements)

References 63 publications

(99 reference statements)

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“…Importantly, adding just one bold individual to a laboratory colony of all shy individuals increases the number of colony members that respond to prey by >400% and increases the mass gained by other colony members by 200% [30, 33]. Such effects on colony behavior and performance persist even weeks after bold individuals are removed from groups, thus conveying that their “social influence” over groups is enduring [34].…”

Section: Resultsmentioning

confidence: 99%

“…Thus, bold individuals are not consistently able to secure more resources than their shy counterparts, nor are they more food deprived, and colonies at arid sites are not in poorer body condition. Instead, shy colony members at arid sites actually benefit by the presence of bold individuals because they enhance colony survival (Figure 1), reproductive output (Data S1), and the collective mass gain of shy colony members [30, 33]. Finally, the social dynamics observed at arid sites are seemingly unresponsive to manipulations to resource availability (see additional results in Figure S1) [30].…”

Section: Resultsmentioning

confidence: 99%

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Selection for Collective Aggressiveness Favors Social Susceptibility in Social Spiders

et al. 2018

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SUMMARY Particularly socially influential individuals are present in many groups [1–8], but it is unclear whether their emergence is determined by their social influence versus the social susceptibility of others [9]. The social spider Stegodyphus dumicola shows regional variation in apparent leader-follower dynamics. We use this variation to evaluate the relative contributions of leader social influence versus follower social susceptibility in driving this social order. Using chimeric colonies that combine potential leaders and followers, we discover that leader-follower dynamics emerge from the site-specific social susceptibility of followers. We further show that the presence of leaders increases colony survival in environments where leader-follower dynamics occur. Thus, leadership is driven by the “social susceptibility” of the population majority, rather than the social influence of key group members.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Selection for Collective Aggressiveness Favors Social Susceptibility in Social Spiders

et al. 2018

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“…Nevertheless, the physiological demands of a bold personality may still be the driving force for the eagerness of such chicks to peck at aposematic prey. Bold individuals often have a higher metabolic rate than shy ones (Biro & Stamps, 2008), are at greater risk of starvation (Lichtenstein et al., 2017), and thus may need to be less catholic in their feeding, showing greater resistance to learning to avoid noxious prey (Exnerová et al., 2010). Clearly, the experimental disentanglement of predator personality, early development and motivation to feed discriminately is both relevant to our understanding of the evolution of mimicry and a complex challenge worthy of further research effort.…”

Section: Discussionmentioning

confidence: 99%

Diversity of warning signal and social interaction influences the evolution of imperfect mimicry

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Lawrence

Buchholz

et al. 2018

Ecology and Evolution

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Mimicry, the resemblance of one species by another, is a complex phenomenon where the mimic (Batesian mimicry) or the model and the mimic (Mullerian mimicry) gain an advantage from this phenotypic convergence. Despite the expectation that mimics should closely resemble their models, many mimetic species appear to be poor mimics. This is particularly apparent in some systems in which there are multiple available models. However, the influence of model pattern diversity on the evolution of mimetic systems remains poorly understood. We tested whether the number of model patterns a predator learns to associate with a negative consequence affects their willingness to try imperfect, novel patterns. We exposed week‐old chickens to coral snake (Micrurus) color patterns representative of three South American areas that differ in model pattern richness, and then tested their response to the putative imperfect mimetic pattern of a widespread species of harmless colubrid snake (Oxyrhopus rhombifer) in different social contexts. Our results indicate that chicks have a great hesitation to attack when individually exposed to high model pattern diversity and a greater hesitation to attack when exposed as a group to low model pattern diversity. Individuals with a fast growth trajectory (measured by morphological traits) were also less reluctant to attack. We suggest that the evolution of new patterns could be favored by social learning in areas of low pattern diversity, while individual learning can reduce predation pressure on recently evolved mimics in areas of high model diversity. Our results could aid the development of ecological predictions about the evolution of imperfect mimicry and mimicry in general.

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“…Animal personality determines aspects of individuals' ecology such as individual variation in social behaviour (Lichtenstein et al, 2016; Wright, Holbrook, & Pruitt, 2014) space use (Pearish, Hostert, & Bell, 2013; Wilson & McLaughlin, 2007) and diet (Wilson, Coleman, Clark, & Biederman, 1993). The personality literature has long argued that a comprehensive understanding of an individual's behaviour requires a multitrait approach (Sih, Bell, & Johnson, 2004; Sih, Cote, Evans, Fogarty, & Pruitt, 2012).…”

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The multidimensional behavioural hypervolumes of two interacting species predict their space use and survival

et al. 2017

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Individual animals differ consistently in their behaviour, thus impacting a wide variety of ecological outcomes. Recent advances in animal personality research have established the ecological importance of the multidimensional behavioural volume occupied by individuals and by multispecies communities. Here, we examine the degree to which the multidimensional behavioural volume of a group predicts the outcome of both intra- and interspecific interactions. In particular, we test the hypothesis that a population of conspecifics will experience low intraspecific competition when the population occupies a large volume in behavioural space. We further hypothesize that populations of interacting species will exhibit greater interspecific competition when one or both species occupy large volumes in behavioural space. We evaluate these hypotheses by studying groups of katydids (Scudderia nymphs) and froghoppers (Philaenus spumarius), which compete for food and space on their shared host plant, Solidago canadensis. We found that individuals in single-species groups of katydids positioned themselves closer to one another, suggesting reduced competition, when groups occupied a large behavioural volume. When both species were placed together, we found that the survival of froghoppers was greatest when both froghoppers and katydids occupied a small volume in behavioural space, particularly at high froghopper densities. These results suggest that groups that occupy large behavioural volumes can have low intraspecific competition but high interspecific competition. Thus, behavioural hypervolumes appear to have ecological consequences at both the level of the population and the community and may help to predict the intensity of competition both within and across species.

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Participation in cooperative prey capture and the benefits gained from it are associated with individual personality

Cited by 17 publications

References 63 publications

Selection for Collective Aggressiveness Favors Social Susceptibility in Social Spiders

Selection for Collective Aggressiveness Favors Social Susceptibility in Social Spiders

Diversity of warning signal and social interaction influences the evolution of imperfect mimicry

The multidimensional behavioural hypervolumes of two interacting species predict their space use and survival

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