Captivity and habituation to humans raise curiosity in vervet monkeys.

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State: Public
Version: author
License: CC BY 4.0
Serval ID
serval:BIB_4467C50EC1D6
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Captivity and habituation to humans raise curiosity in vervet monkeys.
Journal
Animal cognition
Author(s)
Forss SIF, Motes-Rodrigo A., Dongre P., Mohr T., van de Waal E.
ISSN
1435-9456 (Electronic)
ISSN-L
1435-9448
Publication state
Published
Issued date
06/2022
Peer-reviewed
Oui
Volume
25
Number
3
Pages
671-682
Language
english
Notes
Publication types: Journal Article
Publication Status: ppublish
Abstract
The cognitive mechanisms causing intraspecific behavioural differences between wild and captive animals remain poorly understood. Although diminished neophobia, resulting from a safer environment and more "free" time, has been proposed to underlie these differences among settings, less is known about how captivity influences exploration tendency. Here, we refer to the combination of reduced neophobia and increased interest in exploring novelty as "curiosity", which we systematically compared across seven groups of captive and wild vervet monkeys (Chlorocebus pygerythrus) by exposing them to a test battery of eight novel stimuli. In the wild sample, we included both monkeys habituated to human presence and unhabituated individuals filmed using motion-triggered cameras. Results revealed clear differences in number of approaches to novel stimuli among captive, wild-habituated and wild-unhabituated monkeys. As foraging pressure and predation risks are assumed to be equal for all wild monkeys, our results do not support a relationship between curiosity and safety or free time. Instead, we propose "the habituation hypothesis" as an explanation of why well-habituated and captive monkeys both approached and explored novelty more than unhabituated individuals. We conclude that varying levels of human and/or human artefact habituation, rather than the risks present in natural environments, better explain variation in curiosity in our sample of vervet monkeys.
Keywords
Animals, Animals, Wild, Chlorocebus aethiops, Exploratory Behavior, Habituation, Psychophysiologic, Humans, Predatory Behavior, Captivity bias, Captivity effect, Curiosity, Exploration, Human habituation, Neophobia, Novelty response
Pubmed
Web of science
Open Access
Yes
Create date
11/12/2021 13:57
Last modification date
28/05/2022 6:34
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