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Title: Within-group differences in captive Diana monkey (Cercopithecus diana diana) behaviour
Authors: Todd, P.A. 
Macdonald, C.
Coleman, D.
Keywords: Activity budget
Cercopithecus diana diana
Diana monkey
Issue Date: May-2008
Citation: Todd, P.A., Macdonald, C., Coleman, D. (2008-05). Within-group differences in captive Diana monkey (Cercopithecus diana diana) behaviour. Journal of Ethology 26 (2) : 273-278. ScholarBank@NUS Repository.
Abstract: This case study examines the activity budgets of captive Diana monkeys (Cercopithecus diana diana) and discusses results in the context of what is known regarding captive and wild-type behaviour in this species and other guenons. The activities of a family group of Diana monkeys (two parents and four offspring) housed at Edinburgh Zoo, UK, were quantified using a 5-min interval scan sampling technique. The 5100 observation points collected showed that the subjects spent the largest proportion of their time observing (approx. 46%), followed by feeding (approx. 15%), playing (approx. 11%), mutual grooming (approx. 8%) and resting (approx. 7%). The daily activity budgets for each of the subjects were tallied and, at the end of the 10-day observation period, used to produce a data matrix consisting of nine behaviour variables per subject. Clear among-individual differences in activity were identified with canonical discriminant function analysis. This multivariate approach illustrated how the combined behaviours of the parent male were distinct from those of the rest of the family group. Within the remainder of the group, the three youngest offspring displayed similar activity budgets, whereas the overall behaviour of the eldest offspring (a female) was between that of its siblings and her mother. © 2007 Japan Ethological Society and Springer.
Source Title: Journal of Ethology
ISSN: 02890771
DOI: 10.1007/s10164-007-0059-7
Appears in Collections:Staff Publications

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