Spatial proximity among adult siblings in greylag geese (Anser anser): evidence for female bonding?
Spatial proximity among adult siblings in greylag geese (Anser anser): evidence for female bonding?
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DOI：
10.1007/s102110000028
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发表时间：
2001-04-01
期刊：
影响因子：
1.1
通讯作者：
Kotrschal, K.
中科院分区：
文献类型：
--
作者：
Frigerio, D.;Weiss, B.;Kotrschal, K.
通过与盟友保持密切联系，个人可以通过社会支持享受福利。在社会一夫一妻制的灰雁中，配偶、父母甚至人类养父母都可以提供社会支持，促进获得资源或减少竞争压力。在本工作中，我们分析了个体的空间分布在一个半野生群的120灰雁，其中包含23个成年同胞群体的2-4个个体，从2到12岁。在休息期间，我们得分的二元距离之间的28个焦点个人的不同社会类别，他们的兄弟姐妹和无关的控制个人的同龄人。成年雌性同胞（即那些在同一年孵化并一起长大的同胞）彼此之间的距离比与兄弟或无关的对照个体之间的距离要近得多。我们把这归因于社会吸引力，而不仅仅是对同一个休息地点的共同偏好。因此，由凝聚力表达的亲属关系可能会持续到成年，至少在女性中是这样。我们讨论了通过社会支持减少社会压力的相关个人之间的接近的潜在好处。
By staying close to allies, individuals may enjoy benefits through social support. In the socially monogamous greylag goose (Anser anser), pair-partners, parents, and even human foster parents may provide social support, facilitating access to resources or reducing agonistic pressure. In the present work, we analysed the spatial distribution of individuals within a semi-feral flock of 120 greylag geese, which contained 23 adult sibling groups of 2–4 individuals from 2 to 12 years old. During resting periods we scored dyadic distances between 28 focal individuals of different social categories, their siblings and unrelated control individuals of the same age. Adult female siblings (i.e. those hatched in the same year and raised together) rested significantly closer to each other than to either their brothers or unrelated control individuals. We attribute this to social attraction rather than to just a common preference for the same resting site. Thus, kinship bonds as expressed by cohesion might persist into adulthood, at least in the females. We discuss the potential benefits of proximity between related individuals with regard to reduced social stress via social support.