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首页> 外文期刊>Ethology >Social Dominance in a Gregarious Bird is Related to Body Size But not to Standard Personality Assays
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Social Dominance in a Gregarious Bird is Related to Body Size But not to Standard Personality Assays

机译：一只群居鸟中的社会支配地位与体型有关，但与标准人格分析无关

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摘要

The recent growth of research on animal personality could provide new insights into our understanding of sociality and the structure of animal groups. Although simple assays of the type commonly used to study animal personality have been shown to correlate with social aggressiveness in some bird species, conflicting empirical results do not yet make it clear when such assays, typically using isolated individuals, predict behaviour within social groups. We measured aggressiveness in groups of a very gregarious species, the common waxbill (Estrilda astrild), and performed five commonly used behavioural assays on the same individuals: tonic immobility, mirror test, novel object test, open-field test and a variant of the latter in an enriched environment. We found that larger individuals were more dominant and that differences in aggressiveness were repeatable. None of the traditional behavioural assays were related to aggressiveness or dominance. Standard personality assays may fail to capture individual differences relevant to predict social behaviour, and we discuss biological and methodological explanations for these results, such as social behaviour being in part an emergent property of groups rather than an intrinsic property of individuals, or gregarious species being particularly sensitive to the conditions of standard personality assays that test individuals alone.
机译：关于动物性格研究的最新发展可以为我们对社会性和动物群体结构的理解提供新的见解。尽管已显示通常用于研究动物性格的简单分析方法与某些鸟类的社会侵略性相关，但是，当此类分析方法（通常使用孤立的个体）预测社交群体的行为时，相互矛盾的经验结果尚不清楚。我们测量了一个非常合群的物种（普通蜡嘴鸟（Estrilda astrild））的攻击性，并在同一个人上进行了五种常用的行为分析：强直性不动，镜像测试，新物体测试，开放视野测试和后者处于丰富的环境中。我们发现，更大的个体更具统治力，攻击力的差异是可重复的。传统的行为分析均与攻击性或主导性无关。标准人格分析可能无法捕获与预测社会行为有关的个体差异，我们讨论了针对这些结果的生物学和方法论解释，例如社会行为部分是群体的新兴属性，而不是个体的固有属性，或者是群居物种对仅测试个人的标准人格测试条件特别敏感。

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