GROUPING OF THE PYGMY CHIMPANZEES PAN-PANISCUS
GROUPING OF THE PYGMY CHIMPANZEES PAN-PANISCUS
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DOI：
10.1007/bf02373371
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发表时间：
1979-01-01
期刊：
影响因子：
1.7
通讯作者：
KURODA S
中科院分区：
文献类型：
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作者：
KURODA S
P. paniscus的类群形成与P. troglodytes一样灵活。一个群体平均由17只黑猩猩组成，经常观察到超过30只黑猩猩的大群体。在观察到的病例中，80%属于混合群体类型[性别比例]。其类群大小随食物资源丰度和分布的季节变化而变化，但总体上大于黑腹原姬蜂。社会经济学性别比例似乎与群体规模没有高度相关性，平均为76。群体中带婴儿的雌性比例和动情期雌性的比例似乎都与群体大小无关。小组的组成似乎相当一致。这种一致性可能归因于P. paniscus的集中性和高雄性/雌性亲和力。与其他非洲大猩猩相比，P. paniscus在其社会结构中表现出较少的性别分化。
The group formation in P. paniscus is flexible as in P. troglodytes. A group consisted of 17 chimps on the average, and large groups of more than 30 chimps were often observed. Of the observed cases, 80% are of the mixed group type [sex ratio]. The group size varies with seasonal change of the abundance and distribution of food resources, but in general it is larger than that of P. troglodytes. The socionomic sex ratio does not seem to be highly correlated with the group size, and was an average of 76. Neither the proportion of females with infants in a group nor that of estrous females seems to correlate with group size. The group composition seems rather uniform. This uniformity may be attributable to the concentrative nature and high male/female affinity of P. paniscus. In comparison with other African anthropoid apes [gorilla], P. paniscus shows less sexual differentiation in its social structure.