Behavioral Profile Predicts Dominance Status in Mountain Chickadees.
Behavioral Profile Predicts Dominance Status in Mountain Chickadees.
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DOI：
10.1016/j.anbehav.2009.02.022
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发表时间：
2009-06-01
期刊：
影响因子：
2.5
通讯作者：
Pravosudov, Vladimir V.
中科院分区：
文献类型：
--
作者：
Fox, Rebecca A.;Ladage, Lara D.;Roth, Timothy C., II;Pravosudov, Vladimir V.
关键词：
稳定行为特征的个体差异可以解释生态相关行为的变化，例如觅食、分散、反捕食者行为和统治行为。我们研究了山雀（Poecile gambeli）的行为变化，山雀是一种北美山雀，生活在优势结构的冬季群体中，使用两种常见的行为特征测量方法：探索新房间和探索新物体。我们将这些行为特征与雄性山雀在短暂的成对相遇后的统治地位联系起来。低探索性鸟类（访问新房间中少于四个位置的鸟）在与高探索性鸟类（即访问新房间内所有栖息位置的鸟）短暂、成对的相遇中明显更有可能成为主导。另一方面，新奇物体探索和主导地位之间没有关系。有趣的是，新奇的房间探索也与新奇的物体探索不相关。这些结果表明，行为特征可以预测群体生活个体的社会地位。此外，我们的结果与新物体探索和新房间探索始终是个人对环境新奇敏感度的可互换衡量标准的观点相矛盾。
Individual variation in stable behavioral traits may explain variation in ecologically-relevant behaviors such as foraging, dispersal, anti-predator behavior, and dominance. We investigated behavioral variation in mountain chickadees (Poecile gambeli), a North American parid that lives in dominance-structured winter flocks, using two common measures of behavioral profile: exploration of a novel room and novel object exploration. We related those behavioral traits to dominance status in male chickadees following brief, pair-wise encounters. Low-exploring birds (birds that visited less than four locations in the novel room) were significantly more likely to become dominant in brief, pairwise encounters with high-exploring birds (i.e., birds that visited all perching locations within a novel room). On the other hand, there was no relationship between novel object exploration and dominance. Interestingly, novel room exploration was also not correlated with novel object exploration. These results suggest that behavioral profile may predict the social status of group-living individuals. Moreover, our results contradict the idea that novel object exploration and novel room exploration are always interchangeable measures of individuals' sensitivity to environmental novelty.
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