The benefits of pair bond tenure in the cooperatively breeding pied babbler (Turdoides bicolor).
The benefits of pair bond tenure in the cooperatively breeding pied babbler (Turdoides bicolor).
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DOI：
10.1002/ece3.4243
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发表时间：
2018-07
影响因子：
2.6
通讯作者：
Ridley AR
中科院分区：
文献类型：
--
作者：
Wiley EM;Ridley AR
稳定的配对结合(在育种尝试之间持续存在)的好处已经得到了很好的描述，但在合作育种物种中相对较少为人所知。如果配对结合是有益的，那么行为和社会优势配对之间的结合可能会影响合作物种的繁殖成功和群体稳定等因素。在这里，我们使用长期的数据来研究合作繁育的花斑羚(Turdoidesbiolor)的配对结合期限、繁殖成功和群体稳定性之间的关系。配对结合持有期对每对个体每年招募后代的数量和总的繁殖成功率(在整个配对结合持续时间内)都有正向影响，表明配对结合持有期对繁殖成功有重要影响。对于包含长期结合对的群体来说，移民到群体中的可能性较低，这表明结合对的持续时间可能会影响群体的稳定性。这些发现表明，配对保有制是迄今为止在合作物种中相对未被探索的因素，可能对群体动态有重要影响。
The benefits of stable pair bonds (that persist between breeding attempts) have been well described, but are relatively less well known in cooperatively breeding species. If pair bonds are beneficial, then it is possible that the bond between the behaviorally and socially dominant pair may influence factors such as reproductive success and group stability in cooperative species. Here, we used long‐term data to investigate the relationships between pair bond tenure, reproductive success, and group stability in the cooperatively breeding pied babbler (Turdoides bicolor). Pair bond tenure positively influenced both the number of offspring recruited annually per pair and total reproductive success (over entire pair bond duration), indicating that pair bond tenure has an important influence on reproductive success. The likelihood of immigration into the group was lower for groups containing a bonded pair with long tenure, indicating that the duration of pair bonds may impact group stability. These findings suggest that pair tenure, a hitherto relatively unexplored factor in cooperative species, may have an important influence on group dynamics.
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