![]() ![]() Additionally, the main gorilla keeper rated each gorilla on the Gorilla Behavior Index (GBI), a personality assessment instrument that identifies four personality factors - Extroverted, Dominant, Fearful, and Understanding. During the same time, we used all occurrence sampling to record social behaviours of interest: affiliative behaviour (social resting, social playing) and agonistic behaviour (displacement, aggressive behaviour), with the initiator and the recipient recorded for each event. ![]() Behaviour was recorded using scan sampling, with an instantaneous recording technique. Behavioural observations were carried out on an all-male gorilla group, comprising one silverback and four maturing blackbacks. Our study was conducted in Paignton Zoo Environmental Park (UK), in May 2015. For these reasons, we designed a brief study that investigates the relationship between gorillas' personality and social dynamics. Predicting behaviour may be especially useful, particularly in terms of affiliative and aggressive behaviours. Understanding individual differences between gorillas, as well as differences in group dynamics, may be of high value in these apes' more efficient captive management. However, managing them in captivity is not without its challenges. Western lowland gorillas are among the most studied nonhuman primates. Personality and social dynamics of zoo-housed western lowland gorillas (Gorilla gorilla gorilla) Abstract ![]()
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