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https://doi.org/10.21203/rs.3....
Article . 2025 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Other literature type . 2025
License: CC BY
Data sources: ZENODO
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Thesis . 2025
License: CC BY
Data sources: Datacite
ZENODO
Thesis . 2025
License: CC BY
Data sources: Datacite
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Individual Variation and Social Influence of Risk-taking Behavior in Bottlenose Dolphins

Authors: Cantor, Mauricio; Muhammad Mahmudur Rahman; Bankhead, Kyra; Lewis, Jennifer;

Individual Variation and Social Influence of Risk-taking Behavior in Bottlenose Dolphins

Abstract

Abstract Taking risk is a fundamental aspect of decision-making, shaped by trade-offs between potential costs and benefits. Across taxa, animals often engage in risky behaviors to gain access to critical resources, such as food and mating opportunities. While risk-sensitive foraging has been more extensively studied in terrestrial species, the drivers and social consequences of risk-taking in marine animals remain poorly understood. We investigate individual variation and population-level consequences of risk-taking among bottlenose dolphins in the Lower Florida Keys, where risk-taking is expressed as foraging in extremely shallow waters and in areas with high vessel traffic, which increase the likelihood of stranding and injury, respectively. Using over a decade of photo-identification, foraging and social data collected under focal sampling protocols, we estimated individual-level probabilities of engaging in each risky behavior through assessment of behavioral repeatability. We found consistent individual differences among dolphins that suggest stable risk-taking tendencies. We then used a social network approach to test whether individuals with similar risk-taking profiles were more likely to associate socially. We found that dolphins that are similar in risk-taking tendencies formed stronger associations within cohesive social communities. These findings highlight the importance of risk-taking behavior in shaping social dynamics and, more broadly, provide insights into how behavioral variation may influence the adaptability of dolphin populations in increasingly human-impacted marine environments.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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