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The impact of boldness on demographic rates and lifehistory outcomes in the wandering albatross Data DOI: https://doi.org/10.15784/601770 Cite as Jenouvrier, S., & Van de Walle, J. (2025) "The impact of boldness on demographic rates and lifehistory outcomes in the wandering albatross" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/None. Abstract 1. Differences among individuals within a population are ubiquitous. Those differences are known to affect the entire life cycle with important consequences for all demographic rates and outcomes. One source of among-individual phenotypic variation that has received little attention from a demographic perspective is animal personality, which is defined as consistent and heritable behavioral differences between individuals. While many studies have shown that individual variation in individual personality can generate individual differences in survival and reproductive rates, the impact of personality on all demographic rates and outcomes remains to be assessed empirically. 2. Here, we used a unique, long-term, dataset coupling demography and personality of wandering albatross (Diomedea exulans) in the Crozet Archipelago and a comprehensive analysis based on a suite of approaches (capture-mark-recapture statistical models, Markov chains models and structured matrix population models). We assessed the effect of boldness on annual demographic rates (survival, breeding probability, breeding success), life-history out-comes (life expectancy, lifetime reproductive outcome, occupancy times), and an integrative demographic outcome (population growth rate). 3. We found that boldness had little impact on female demographic rates, but was very likely associated with lower breeding probabilities in males. By integrating the effects of boldness over the entire life cycle, we found that bolder males had slightly lower lifetime reproductive success compared to shyer males. Indeed, bolder males spent a greater proportion of their lifetime as non-breeders, which suggests longer inter-breeding intervals due to higher reproductive allocation. 4. Our results reveal that the link between boldness and demography is more complex than anticipated by the pace-of-life literature and highlight the importance of considering the entire life cycle with a comprehensive approach when assessing the role of personality on individual performance and demography. Creator(s): Jenouvrier, Stephanie; Van de Walle, Joanie Date Created: 2024-02-27 Repository: USAP-DC (current) License: Creative Commons Zero v1.0 Universal [CC0 1.0] Spatial Extent(s) West: -180, East: 180, South: -90, North: -60 Temporal Extent(s) Start: 2008-01-01 - End: 2020-01-01 Award(s) NSF 1951500 Version: 1 Related Project(s) NSFGEO-NERC: Integrating Individual Personality Differences in the Evolutionary Ecology of a Seabird in the Rapidly Changing Polar Environment References The impact of boldness on demographic rates and life-history outcomes in the wandering albatross, published in Journal of Animal Ecology by J. Van de Walle, R. Sun, R. Fay, S. C. Patrick, C. Barbraud, K. Delord, H. Weimerskirch, and S. Jenouvrier Keywords Antarctica Cryosphere Demography Sub-Antarctic