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To boldly go: individual differences in boldness influence migratory tendency.

In English

Författare

Summary, in English

Ecology Letters (2011) ABSTRACT: Partial migration, whereby only a fraction of the population migrates, is thought to be the most common type of migration in the animal kingdom, and can have important ecological and evolutionary consequences. Despite this, the factors that influence which individuals migrate and which remain resident are poorly understood. Recent work has shown that consistent individual differences in personality traits in animals can be ecologically important, but field studies integrating personality traits with migratory behaviour are extremely rare. In this study, we investigate the influence of individual boldness, an important personality trait, upon the migratory propensity of roach, a freshwater fish, over two consecutive migration seasons. We assay and individually tag 460 roach and show that boldness influences migratory propensity, with bold individuals being more likely to migrate than shy fish. Our data suggest that an extremely widespread personality trait in animals can have significant ecological consequences via influencing individual-level migratory behaviour.

Publiceringsår

2011

Språk

Engelska

Sidor

871-876

Publikation/Tidskrift/Serie

Ecology Letters

Volym

14

Dokumenttyp

Artikel i tidskrift

Förlag

Wiley-Blackwell

Ämne

  • Zoology
  • Ecology

Status

Published

Forskningsgrupp

  • Aquatic Ecology
  • Life History and Functional Ecology

ISBN/ISSN/Övrigt

  • ISSN: 1461-023X