Dissipation of kin discrimination in Orkney voles, Microtus arvalis orcadensis: A laboratory study

X Lambin, C Mathers

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Field experiments testing the roles of relatedness in vole demography make different assumptions on the ability of voles to recognize their unfamiliar kin and this may have contributed to their contrasting outcomes. We measured the rate of dissipation of discrimination between related male and between related female Orkney voles (Microtus arvalis orcadensis) after increasing periods of separation to test these assumptions. Females showed a decreasing preference for the odour of their sisters as familiarity for new cage-mates increased and an increasing preference for their new cage-mates as familiarity increased. In contrast, males showed no such changes in their avoidance of their brothers following separation. Dissipation of kin-discrimination by Orkney voles in absence of reinforcement by familiarity is therefore rapid and familiarity established in adult life seemingly has the same impact on preference between females as relatedness.

Original languageEnglish
Pages (from-to)23-30
Number of pages8
JournalAnnales Zoologici Fennici
Volume34
Issue number1
Publication statusPublished - 1997

Keywords

  • SOCIAL-ORGANIZATION
  • FEMALE RELATEDNESS
  • MEADOW VOLES
  • CLETHRIONOMYS-GLAREOLUS
  • INBREEDING AVOIDANCE
  • SIBLING RECOGNITION
  • POPULATION-DYNAMICS
  • NATAL PHILOPATRY
  • PRAIRIE VOLES
  • FIELD VOLE

Cite this

Dissipation of kin discrimination in Orkney voles, Microtus arvalis orcadensis: A laboratory study. / Lambin, X ; Mathers, C .

In: Annales Zoologici Fennici, Vol. 34, No. 1, 1997, p. 23-30.

Research output: Contribution to journalArticle

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