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Do golden snub-nosed monkeys use deceptive alarm calls during competition for food?

ABSTRACT: Tactical deception can be beneficial for social animals during intra-specific competition. However, the use of tactical deception in wild mammals is predicted to be rare. We tested whether a food-provisioned free-ranging band of golden snub-nosed monkeys (Rhinopithecus roxellana) use alarm calls in a functionally deceptive manner to gain access to food resources, whether the rate of deceptive alarm calls varies among individuals, and whether there are any counter-deception behaviors. We used a hexagonal camera array consisting of 10 cameras to record videos during feeding, which allowed us to identify individual alarm callers. We found evidence that these monkeys use deceptive alarms and that adult females were more likely to use such calls than other individuals. The monkeys increased their rates of response to alarm calls when competition for food was high. However, we found no direct evidence of any counter-deception strategies.

SUBMITTER: Wang T

PROVIDER: S-EPMC9958509 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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Do golden snub-nosed monkeys use deceptive alarm calls during competition for food?

Wang Tiantian T Kong Yuchen Y Zhang He H Li Yuhang Y Hou Rong R Dunn Derek W DW Hou Xiduo X Huang Kang K Li Baoguo B

iScience 20230202 2

Tactical deception can be beneficial for social animals during intra-specific competition. However, the use of tactical deception in wild mammals is predicted to be rare. We tested whether a food-provisioned free-ranging band of golden snub-nosed monkeys (<i>Rhinopithecus roxellana</i>) use alarm calls in a functionally deceptive manner to gain access to food resources, whether the rate of deceptive alarm calls varies among individuals, and whether there are any counter-deception behaviors. We u ...[more]

PMID: 36852160

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