Abstract
AbstractIn this study, we investigated whether blue tits (Cyanistes caeruleus) showed consistent variation in neophobia responses. The experiment represents a test of how personality, consistent individual differences in behaviour, may have fitness consequences. The experimental design consisted of a control observation followed by two neophobia tests, during which the parent's behaviour was recorded using the instantaneous sampling method. Blue tits showed consistent variation in neophobia responses, which was related to total offspring biomass, but not to mean offspring weight or fledging success. General linear mixed models analyses suggest that there may be ideal neophobia trait combinations in breeding pairs that maximise breeding success.
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