期刊
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 373, 期 1751, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rstb.2017.0195
关键词
adaptive system of disgust; behavioural immune system; contaminated food; contaminant odours; Lola ya Bonobo; pathogen avoidance
类别
资金
- Leading Graduate Program in Primatology and Wildlife Science of Kyoto University
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT)
Threats from parasites and pathogens are ubiquitous, and many use pathways that exploit host trophic interactions for their transmission. As such, hot organisms have evolved a behavioural immune system to facilitate contamination-risk assessment and avoidance of potential contaminants in various contexts, including feeding. Detecting pathogen threats can rely on different sensory modalities allowing animals to screen for a wide array of contaminants. Here, we present a series of experiments in which bonobos showed clear avoidance of contaminated food items, and were sensitive to risk along a contamination probability gradient. Across experiments, bonobos appeared to use multisensorial cues to inform their feeding decisions. In addition, bonobos showed reduced tactile, gustatory and tool use activities when in the presence of contaminant versus control odours in a challenging foraging context. Our experiments build on previous work conducted in Japanese macaques and chimpanzees aiming at a better understanding of the ways in which the behavioural immune system operates in primates. This article is part of the Theo Murphy meeting issue 'Evolution of pathogen and parasite avoidance behaviours'.
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