Zebra finches are bolder in an asocial, rather than social, context

Mark C. Mainwaring*, Jessica L. Beal, Ian R. Hartley

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

Despite an expanding interest in animal personalities, the influence of social interactions and sex differences on individual differences in behaviour remains poorly understood. Using the social zebra finch (Taeniopygia guttata), we tested for behavioural differences in exploration of a novel environment and objects, between individuals of both sexes in relation to a social context; the presence of three male companions, three female companions or no companion birds. We predicted that the presence of conspecific companions should result in focal birds reacting to novelty by exploring more extensively because the companion birds contribute to anti-predator vigilance behaviour and because social isolation often causes behavioural inhibition in social species. We found that exploratory behaviour of focal individuals was significantly reduced in the presence of conspecific companions, irrespective of the companion's sex. Moreover, we found a weak trend towards females being more exploratory than males, irrespective of the social context. These results demonstrate the importance of considering the social context in animal personality studies and of exploring sex differences in personalities.

Original languageEnglish
Pages (from-to)171-175
Number of pages5
JournalBehavioural Processes
Volume87
Issue number2
DOIs
Publication statusPublished - Jun 2011

Keywords

  • Behavioural syndrome
  • Exploration
  • Novel environment
  • Personality
  • Sex differences
  • Social behaviour

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