Vivendo com estranhos: efeito da personalidade no manejo social de macacos-prego cativos (Sapajus libidinosus)
Group life requires investment of time and energy to maintain relationships between individuals. Factors such as sex, age, and rank influence the relationship between individuals, recently the influence of personality on relationships in non-human animal societies is investigated. Capuchin monkeys h...
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| Formato: | Dissertação |
| Idioma: | pt_BR |
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Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/46507 |
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| Resumo: | Group life requires investment of time and energy to maintain relationships between
individuals. Factors such as sex, age, and rank influence the relationship between
individuals, recently the influence of personality on relationships in non-human animal
societies is investigated. Capuchin monkeys have a tolerant matrilineal social structure,
with a rich social repertoire and a high cognitive capacity. In Brazil, capuchin monkeys
are intensely trafficked and the continuous influx of individuals in rehabilitation centers
(CETAS) poses challenges for the formation of social groups. In the present work, we
analyze the influence of personality on the management and social relationships of
captive-raised capuchin monkeys, at the individual, dyadic, and group levels. We
hypothesized that: 1) we would find personality axes similar to those already described
in the literature for capuchin monkeys; 2) the axes of openness and agreeableness would
influence social play and grooming behaviors, respectively; 3) the removal of individuals
from their social groups would be affected by their personalities and 4) that at the time of
insertion, individuals would present a behavioral strategy for social acceptance related to
their personality. During 1 year and a half (369.25 hours) we followed 41 individuals and
88 formations of social groups. ICC analysis of scores attributed to animals through the
Hominoid Questionary Personality indicates agreement in 47 adjectives and factorial
analyzes indicate 5 personality axes: Assertiveness, openness, agreeableness, confidence,
and neuroticism. Generalized linear models selected via the akaike criterion indicate that
the five personality axes and the Euclidean distance between the dyads influenced
grooming and play behaviors, but individuals differ in their strategies with individuals
with higher score in openness playing more and individuals with higher score in
agreeableness grooming more. We also detected that individuals with higher scores in
assertiveness and neuroticism are more removed from their social groups and the opposite
occurs for individuals with high scores in agreeableness and confidence. In addition,
individuals exhibit sexual display and request grooming as a strategy for the acceptance
and tension-reducing at the time of social insertion, with individuals who score high on
confidence showing less sexual display. Our results indicate that personality influences
relationships and management. And that it can be another tool to help management
decisions and provide better well-being to captive individuals. |
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