Consistency in boldness, activity and exploration at different stages of life

Herde A, Eccard JA (2013)
BMC Ecology 13.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Herde, AntjeUniBi; Eccard, Jana A.
Abstract / Bemerkung
Background: Animals show consistent individual behavioural patterns over time and over situations. This phenomenon has been referred to as animal personality or behavioural syndromes. Little is known about consistency of animal personalities over entire life times. We investigated the repeatability of behaviour in common voles (Microtus arvalis) at different life stages, with different time intervals, and in different situations. Animals were tested using four behavioural tests in three experimental groups: 1. before and after maturation over three months, 2. twice as adults during one week, and 3. twice as adult animals over three months, which resembles a substantial part of their entire adult life span of several months. Results: Different behaviours were correlated within and between tests and a cluster analysis showed three possible behavioural syndrome-axes, which we name boldness, exploration and activity. Activity and exploration behaviour in all tests was highly repeatable in adult animals tested over one week. In animals tested over maturation, exploration behaviour was consistent whereas activity was not. Voles that were tested as adults with a three-month interval showed the opposite pattern with stable activity but unstable exploration behaviour. Conclusions: The consistency in behaviour over time suggests that common voles do express stable personality over short time. Over longer periods however, behaviour is more flexible and depending on life stage (i.e. tested before/after maturation or as adults) of the tested individual. Level of boldness or activity does not differ between tested groups and maintenance of variation in behavioural traits can therefore not be explained by expected future assets as reported in other studies.
Stichworte
Plasticity; Common vole; Microtus arvalis; Animal personality; Behavioural type; Consistency; Repeatability
Erscheinungsjahr
2013
Zeitschriftentitel
BMC Ecology
Band
13
ISSN
1472-6785
Page URI
https://pub.uni-bielefeld.de/record/2656851

Zitieren

Herde A, Eccard JA. Consistency in boldness, activity and exploration at different stages of life. BMC Ecology. 2013;13.
Herde, A., & Eccard, J. A. (2013). Consistency in boldness, activity and exploration at different stages of life. BMC Ecology, 13. doi:10.1186/1472-6785-13-49
Herde, A., and Eccard, J. A. (2013). Consistency in boldness, activity and exploration at different stages of life. BMC Ecology 13.
Herde, A., & Eccard, J.A., 2013. Consistency in boldness, activity and exploration at different stages of life. BMC Ecology, 13.
A. Herde and J.A. Eccard, “Consistency in boldness, activity and exploration at different stages of life”, BMC Ecology, vol. 13, 2013.
Herde, A., Eccard, J.A.: Consistency in boldness, activity and exploration at different stages of life. BMC Ecology. 13, (2013).
Herde, Antje, and Eccard, Jana A. “Consistency in boldness, activity and exploration at different stages of life”. BMC Ecology 13 (2013).

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