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Zero-order manipulation task to obtain a food reward in Colombian black spider monkeys (Ateles fusciceps rufiventris) kept in a zoo
Linköping University, Department of Physics, Chemistry and Biology.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Spider monkeys (Ateles sp.) are common in zoological parks, but rare in scientific publications. Studies on tool use in primates have mostly focused on impressive tool users such as chimpanzees. Spider monkeys fulfill several criteria that are known to be associated with tool use. To be able to give an appropriate environment and enrichment for spider monkeys in captivity more knowledge is needed about their cognitive abilities. In this study we wanted to see if five male spider monkeys kept in a zoo could learn to use tools to reach a reward. Experiment 1 examined the subjects’ ability to learn to use a stick-tool to extract honey from a tube and experiment 2 their ability to learn to use a rake-tool to reach a reward. Each experiment consisted of three parts; A – monkeys got tools and treat next to each other; B – monkeys were shown how to use tool to get treat by a keeper and then got tools and treats next to each other; C – monkeys got tools and treats so they just could pull out the tool and get the treat. In both experiments at least two different spider monkeys succeeded with the zero-order manipulation task to pull out the tool and get treat in part C. Longer studies need to be conducted to be able to say if spider monkeys are able to learn a more complex tool using behavior as needed in part A and B.

Place, publisher, year, edition, pages
2010. , 17 p.
Keyword [en]
behavior, captivity, cognition, enrichment, tool use, welfare
National Category
URN: urn:nbn:se:liu:diva-58155ISRN: LITH-IFM-A-EX--10/2293—SEOAI: diva2:337777
2010-06-07, E324, Linköpings Universitet, Linköping, 11:55 (English)
Life Earth Science
Available from: 2010-09-23 Created: 2010-08-09 Last updated: 2010-09-23Bibliographically approved

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