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Repeatable aversion across threat types is linked with life-history traits but is dependent on how aversion is measured.

Published version
Peer-reviewed

Type

Article

Change log

Authors

Davidson, Gabrielle L  ORCID logo  https://orcid.org/0000-0001-5663-2662
Reichert, Michael S 
Crane, Jodie MS 
O'Shea, William 
Quinn, John L 

Abstract

Personality research suggests that individual differences in risk aversion may be explained by links with life-history variation. However, few empirical studies examine whether repeatable differences in risk avoidance behaviour covary with life-history traits among individuals in natural populations, or how these links vary depending on the context and the way risk aversion is measured. We measured two different risk avoidance behaviours (latency to enter the nest and inspection time) in wild great tits (Parus major) in two different contexts-response to a novel object and to a predator cue placed at the nest-box during incubation---and related these behaviours to female reproductive success and condition. Females responded equally strongly to both stimuli, and although both behaviours were repeatable, they did not correlate. Latency to enter was negatively related to body condition and the number of offspring fledged. By contrast, inspection time was directly explained by whether incubating females had been flushed from the nest before the trial began. Thus, our inferences on the relationship between risk aversion and fitness depend on how risk aversion was measured. Our results highlight the limitations of drawing conclusions about the relevance of single measures of a personality trait such as risk aversion.

Description

Keywords

body condition, gaze aversion, great tits, life history, personality, risk-taking

Journal Title

R Soc Open Sci

Conference Name

Journal ISSN

2054-5703
2054-5703

Volume Title

5

Publisher

The Royal Society