Social experience during adolescence influences how male zebra finches (Taeniopygia guttata) group with conspecifics
Social experience during adolescence influences how male zebra finches (Taeniopygia guttata) group with conspecifics
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青春期的社会经历影响雄性斑胸草雀 (Taeniopygia guttata) 与同种动物的群体
DOI：
10.1007/s00265-013-1668-5
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发表时间：
2014
影响因子：
2.3
通讯作者：
von Engelhardt
中科院分区：
文献类型：
--
作者：
Ruploh;T. Bischof;von Engelhardt
群居动物依靠社会技能，确保有益的互动，并防止有害的同种动物。在之前的一项实验中，我们证明了在青春期成群饲养的雄性斑马雀在成年后表现出的求偶和攻击性行为一直比成对饲养的雄性斑马雀要少。在这里，我们测试了这些差异是否会影响他们如何与相同的细节进行分组，以此作为他们社会融合的指标。斑马雀在青春期被成双成对地饲养(雄性-雌性或雄性-雄性)或混合性别组(三只雄性和三只雌性)，并在成年时被引入到一个已建立的未知同种群中。男性求偶和攻击性行为在被引入团队后和48小时后被直接量化。同时，记录雄性相对于其他鸟类的位置和附近的鸟类数量。青春期在一个小的混合性别群体中长大的男性在群体中花费的时间更多，在更大的群体中被观察到，比起结对长大的男性，体重减轻得更少，这表明在早期发育期间丰富的社会环境可能会促进社会融合。然而，我们没有观察到交配和群养雄性在求爱和攻击行为上的差异，这些差异可以预测交配和群养雄性在群体行为上的差异。我们讨论了分组差异的其他解释，以及如何在未来的研究中检验这些解释。
Group-living animals rely on social skills which ensure beneficial interaction and prevent harmful ones with conspecifics. In a previous experiment, we demonstrated that male zebra finches reared in groups during adolescence show consistently less courtship and aggressive behaviour as adults than pair-reared males. Here we tested whether such differences affect how they group with conspecifics, as an indicator of their social integration. Zebra finches were kept in pairs (male–female or male–male) or mixed-sex groups (three males and three females) during adolescence and were introduced to an established group of unknown conspecifics during adulthood. Male courtship and aggressive behaviour were quantified directly after introduction to the group and 48 h later. At the same time, male position in relation to other birds and the number of birds in proximity were recorded. Males that grew up in a small mixed-sex group during adolescence spent more time within groups, were observed in bigger groups and lost less weight than males raised in pairs, indicating that an enriched social environment during early development may facilitate social integration. However, we observed no differences in courtship and aggressive behaviour that could predict the differences in grouping behaviour of pair- and group-reared males. We discuss alternative explanations for the difference in grouping and how to test these in future research.
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发表时间：
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期刊：
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