A Unique Case of Adoption in Golden Snub-Nosed Monkeys.

IF 2.7 2区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE Animals Pub Date : 2024-10-25 DOI:10.3390/ani14213075

Haitao Zhao, Jiaxuan Li, Yan Wang, Nianlong Li, Ruliang Pan, Baoguo Li

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Abstract

Adoption among nonhuman primates (hereafter primates) has been widely reported, particularly in chimpanzees, renowned for their higher intelligence and well-developed cognition. In contrast to adoption in other Old World monkeys, this case of adoption in golden snub-nosed monkeys (Rhinopithecus roxellana) involves two infants associated with three units characterized by distinct social structures and reproductive functions. Consequently, this case extends beyond traditional hypotheses on allomaternal care and adoption-such as enhancing the fitness of adoptive mothers, fostering maternal behaviors, and improving fitness through social and individual interactions-to necessitate an association with the complex social structure characterized by hierarchical, multilevel composition, akin to human society, and intense sexual selection that frequently results in infanticide. Specifically, adopting an infant with a genetic link to the dominant male of the adopting female may reduce the risk of infanticide against her offspring that do not share a biological link with the dominant male. This adoption pattern suggests that golden snub-nosed monkeys may possess more sophisticated intelligence and cognition, characteristics supported by more developed brain structure and facial muscles than the other Old World monkeys.

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金丝猴收养的独特案例

非人灵长类动物（以下简称灵长类）之间的领养现象屡见报端，尤其是在黑猩猩中，因为黑猩猩以其较高的智力和发达的认知能力而闻名。与其他旧世界猴子的领养不同，金丝猴（Rhinopithecus roxellana）的这一领养案例涉及两个与三个具有不同社会结构和繁殖功能的单位相关联的婴儿。因此，该案例超越了关于异体母性照料和领养的传统假设--例如提高养母的适应能力、促进母性行为以及通过社会和个体互动提高适应能力--而必须与复杂的社会结构相关联，这种社会结构的特点是等级森严、多层次组成（类似于人类社会），以及经常导致杀婴的激烈的性选择。具体来说，领养一个与领养雌性的优势雄性有遗传联系的婴儿，可能会降低雌性后代杀婴的风险，因为雌性后代与优势雄性没有生物联系。这种领养模式表明，金丝猴可能拥有更复杂的智力和认知能力，与其他旧世界猴子相比，更发达的大脑结构和面部肌肉也证明了这一点。

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来源期刊

Animals Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

4.90

自引率

16.70%

发文量

3015

审稿时长

20.52 days

期刊介绍： Animals (ISSN 2076-2615) is an international and interdisciplinary scholarly open access journal. It publishes original research articles, reviews, communications, and short notes that are relevant to any field of study that involves animals, including zoology, ethnozoology, animal science, animal ethics and animal welfare. However, preference will be given to those articles that provide an understanding of animals within a larger context (i.e., the animals'' interactions with the outside world, including humans). There is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental details and/or method of study, must be provided for research articles. Articles submitted that involve subjecting animals to unnecessary pain or suffering will not be accepted, and all articles must be submitted with the necessary ethical approval (please refer to the Ethical Guidelines for more information).