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社会环境会影响非繁殖期普通狨猴(绢毛猴)发出的警报叫声。

Social context affects phee call production by nonreproductive common marmosets (Callithrix jacchus).

作者信息

Norcross J L, Newman J D

机构信息

Laboratory of Comparative Ethology, NICHD, NIH, Poolesville, Maryland 20837, USA.

出版信息

Am J Primatol. 1997;43(2):135-46. doi: 10.1002/(SICI)1098-2345(1997)43:2<135::AID-AJP3>3.0.CO;2-Y.

Abstract

Common marmosets produce two variants of their long call (phee call) in different situations. Intergroup calls are produced in territorial situations, and intragroup separation calls are produced by marmosets isolated from group members. Marmoset groups frequently include postpubertal, nonreproductive members; their roles in the spontaneous production of territorial vocalizations is unclear. This study analyzed the production of home cage phee calls by nonreproductive, postpubertal marmosets while they were housed in their natal groups and after pairing with an opposite-sex conspecific. Additionally, the production of the separation phee call variant was assessed in both social conditions. The results indicated that the marmosets rarely produced home cage, or territorial, phee calls while they were natally housed. In contrast, both males and females produced the territorial phee call at a much higher rate as early as 4 days after pairing. Agematched females remaining in their natal groups throughout the study produced home cage phee calls infrequently. Most marmosets produced separation phee calls at a high rate after separation from either their natal group or a partner, suggesting that the makeup of a social group has little effect on an animal's motivation to reunite with conspecifics. These results suggest that the social environment has an important influence on the production of territorial phee calls.

摘要

普通狨猴在不同情况下会发出两种不同变体的长叫声(“phee”叫声)。群体间叫声是在领地情境中发出的,而群体内分离叫声则是由与群体成员隔离的狨猴发出的。狨猴群体中经常包括青春期后未生育的成员;它们在领地发声的自发过程中所起的作用尚不清楚。本研究分析了青春期后未生育的狨猴在与其出生群体生活在一起时以及与异性同种个体配对后在笼舍中发出的“phee”叫声。此外,还评估了在两种社交条件下分离“phee”叫声变体的发出情况。结果表明,狨猴在出生群体中生活时很少发出笼舍内或领地性的“phee”叫声。相反,早在配对4天后,雄性和雌性发出领地性“phee”叫声的频率就高得多。在整个研究过程中一直留在出生群体中的年龄匹配雌性很少发出笼舍内“phee”叫声。大多数狨猴在与出生群体或伴侣分离后都以很高的频率发出分离“phee”叫声,这表明社会群体的构成对动物与同种个体团聚的动机影响很小。这些结果表明,社会环境对领地性“phee”叫声的发出有重要影响。

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