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Author Wilson, D.S.; Dugatkin, L.A.
Title A reply to Lombardi & Hurlbert Type Journal Article
Year 1996 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 52 Issue 2 Pages 423-425
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Notes Approved no
Call Number refbase @ user @ Serial 475
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Author Dugatkin, L.A.; Wilson, D.S.
Title Choice experiments and cognition: a reply to Lamprecht & Hofer Type Journal Article
Year 1994 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 47 Issue 6 Pages 1459-1461
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Call Number refbase @ user @ Serial 479
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Author Coleman, K.; Wilson, D.S.
Title Shyness and boldness in pumpkinseed sunfish: individual differences are context-specific Type Journal Article
Year 1998 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 56 Issue 4 Pages 927-936
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Abstract Natural selection often promotes a mix of behavioural phenotypes in a population. Adaptive variation in the propensity to take risks might explain individual differences in shyness and boldness in humans and other species. It is often implicitly assumed that shyness and boldness are general personality traits expressed across many situations. From the evolutionary standpoint, however, individual differences that are adaptive in one context (e.g. predator defence) may not be adaptive in other contexts (e.g. exploration of the physical environment or intraspecific social interactions). We measured the context specificity of shyness and boldness in a natural population of juvenile pumpkinseed sunfish,Lepomis gibbosus, by exposing the fish to a potentially threatening stimulus (a red-tipped metrestick extended towards the individual) and a nonthreatening stimulus (a novel food source). We also related these measures of shyness and boldness to behaviours observed during focal observations, both before and after the introduction of a predator (largemouth bass,Micropterus salmoides). Consistent individual differences were found within both contexts, but individual differences did not correlate across contexts. Furthermore, fish that were scored as intermediate in their response to the metrestick behaved most boldly as foragers and in response to the bass predators. These results suggest that shyness and boldness are context-specific and may not exist as a one-dimensional behavioural continuum even within a single context.
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Notes Approved no
Call Number Serial 2094
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