Influence of social interactions with nonmother females on the development of call usage in Japanese macaques
Influence of social interactions with nonmother females on the development of call usage in Japanese macaques
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与非母亲雌性的社交互动对日本猕猴叫声使用发展的影响
DOI：
10.1016/j.anbehav.2016.11.009
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发表时间：
2017
期刊：
影响因子：
2.5
通讯作者：
M.
中科院分区：
文献类型：
--
作者：
Katsu;N.;Yamada;K. and Nakamichi;M.
摘要：日本猕猴对联系呼叫的使用随着发育阶段的不同而不同。对不相关成年雌性猕猴的选择性发声出现在青年时期。对不相关雌性的呼叫有助于联系互动。与不相关雌性的互动程度影响发声使用。本研究的目的是阐明社会经验是否影响日本猕猴呼叫使用的发展变化。我们专注于主要用作问候信号的发声，如咕噜声、腰部声和低声叫声。我们假设，与成年雌性而不是母亲的互动程度将促进对年轻猴子中不太熟悉的个体的选择性呼叫使用。为了验证这一点，我们在一个自由放养的群体中对从婴儿期到成年的雌性猴子进行了观察，发现年轻的成年和完全成年的受试者在接近无关的成年雌性猴子时，比起相关的成年雌性猴子，发出叫声的频率更高。相比之下，亚成人、青少年和婴儿不会有选择地向无关的成年人发出呼叫。年龄比青少年大的猴子在接近有叫声的无关雌性猴子后，比没有叫声的猴子更有可能参与附属互动，这表明叫声对信号者可能是有益的。在接下来的观察年中，与不相关的成年雌性动物互动更频繁的个体对不相关的成年雌性动物使用更频繁的呼叫，这一影响在年龄较大的动物中更强。这些发现表明，呼叫无关的成年女性是通过与这些女性的有形互动来实现的。与相关成年女性的互动不影响对亲属或非亲属的呼唤，这表明与亲戚的互动不会促进呼唤的使用。我们的结论是，与不相关的成年女性的社会经验改变了语音问候行为，这反过来可能调节不相关个人之间的社会关系。
HighlightsUse of affiliative calls in Japanese macaques changes with developmental stage.Selective vocalization towards unrelated adult females emerges in young adulthood.Use of these calls towards unrelated females facilitates affiliative interactions.The degree of interaction with unrelated females affects vocal usage.The goal of this study was to clarify whether social experience affects developmental changes in call usage in Japanese macaques, Macaca fuscata. We focused on vocalizations primarily used as greeting signals, such as grunts, girneys and coo calls. We hypothesized that the degree of interaction with adult females other than mothers would facilitate selective call usage towards less familiar individuals in young monkeys. To test this, we conducted observations on female monkeys from infancy to full adulthood in a free-ranging group, and found that young adult and full adult subjects produced calls more frequently when approaching unrelated, than related, adult females. In contrast, subadults, juveniles and infants did not produce calls selectively towards unrelated adults. Monkeys older than juveniles were more likely to engage in affiliative interactions after approaching unrelated females with than without calls, indicating that calling can be beneficial for signallers. Individuals who had more frequent interactions with unrelated adult females used calls more frequently towards unrelated adult females in subsequent observation years, an effect that was stronger in older animals. These findings suggest that calling towards unrelated adult females is facilitated through tangible interactions with these females. The interactions with related adult females did not influence calling towards relatives or nonrelatives, indicating that interaction with relatives did not facilitate call usage. We conclude that social experience with unrelated adult females modifies vocal greeting behaviours, which, in turn, may mediate social relationships between unrelated individuals.
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