Costs of male infanticide for female capuchins: When does an adaptive male reproductive strategy become costly for females and detrimental to population viability?,American Journal of Physical Anthropology

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Costs of male infanticide for female capuchins: When does an adaptive male reproductive strategy become costly for females and detrimental to population viability?
American Journal of Physical Anthropology ( IF 2.6 ) Pub Date : 2021-07-01 , DOI: 10.1002/ajpa.24354
Linda M Fedigan ₁ , Jeremy D Hogan ₁ , Fernando A Campos ₂ , Urs Kalbitzer _{3,

4} , Katharine M Jack ₅

Affiliation

Infanticide in white-faced capuchins (Cebus capucinus imitator) typically occurs in association with alpha male replacements (AMRs). Although infanticide is likely adaptive for males, it imposes costs on females that are difficult to quantify without long-term demographic data. Here we investigate effects of AMRs and infanticide on female reproductive success and how these costs affect capuchin groups. We investigate (1) effects of AMR frequency on the production of surviving infants; (2) energetic and (3) temporal “opportunity costs” of infant loss; and (4) how AMR frequency impacts capuchin group sizes.

中文翻译：

雌性卷尾猴的雄性杀婴成本：适应性雄性生殖策略何时对雌性变得昂贵且不利于种群生存？

白脸卷尾猴（Cebus capucinus imitator）中的杀婴通常与阿尔法男性替代者（AMR）有关。尽管杀婴可能适用于男性，但如果没有长期人口统计数据，则很难量化女性的成本。在这里，我们调查 AMR 和杀婴对女性生殖成功的影响以及这些成本如何影响卷尾猴群。我们调查了 (1) AMR 频率对存活婴儿生产的影响；(2) 精力充沛和 (3) 失去婴儿的时间“机会成本”；(4) AMR 频率如何影响卷尾猴群大小。

更新日期：2021-07-01

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