NDLI: The performance of rooks in a cooperative task depends on their temperament

Content Provider	Springer Nature Link
Author	Scheid, Christelle
Copyright Year	2009
Abstract	In recent years, an increasing number of studies demonstrated the existence of consistent individual differences in behaviour, often referred to as differences in temperament or personality, in a wide range of animal species. There notably is a growing body of evidence showing that individuals differ in their propensity for risk taking or reacting to stressful situations. This variation has been related to differences in learning abilities or performance in cognitive tasks. In the present study, we examined the consequences of inter-individual variation in boldness on performance in a cooperative task in rooks (Corvus frugilegus). Birds were tested individually to measure a number of behavioural parameters related to boldness. The level of a stress-related hormone, corticosterone, in the faeces of each bird was measured under control conditions and after a stress-provoking event. In parallel, we conducted a cooperative string pulling task in which birds were tested in dyads. Successful cooperation depended to a large extent on the temperament of the two partners involved. Temperament, in turn, correlated well with corticosterone levels under stress. Bolder individuals appeared to be more willing to participate in the task, whereas shyer individuals were more influenced by the behaviour of their partner. These findings suggest that a rook’s temperament can limit its options of forming successfully cooperating partnerships under stressful conditions.
Starting Page	545
Ending Page	553
Page Count	9
File Format	PDF
ISSN	14359448
Journal	Animal Cognition
Volume Number	13
Issue Number	3
e-ISSN	14359456
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-12-18
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Cooperation Boldness Temperament Personality Corvus frugilegus Rook Stress Corticosterone Zoology Behavioural Sciences Human Physiology Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Ecology, Evolution, Behavior and Systematics

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