ArticleProceedings. Biological sciences2018
Individual variation in reproductive behaviour is linked to temporal heterogeneity in predation risk.
Article in Proceedings. Biological sciences, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Long-term environmental stability does not erode plasticity in nest building responses to changing ambient conditions.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023Article
- Selection on fish personality differs between a no-take marine reserve and fished areas.Evolutionary applications · 2021Article
- Causal evidence for the adaptive benefits of social foraging in the wild.Communications biology · 2021Article
- High-risk environments promote chemical disturbance signalling among socially familiar Trinidadian guppies.Oecologia · 2020Article
- Time and energy costs of different foraging choices in an avian generalist species.Movement ecology · 2019Article
- Gradients in predation risk in a tropical river system.Current zoology · 2018Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Variation in predation risk is a major driver of ecological and evolutionary change, and, in turn, of geographical variation in behaviour. While predation risk is rarely constant in natural populations, the extent to which variation in predation risk shapes individual behaviour in wild populations remains unclear. Here, we investigated individual differences in reproductive behaviour in 16 Trinidadian guppy populations and related it to the observed variation in predator biomass each population experienced. Our results show that high heterogeneity in predator biomass is linked to individual behavioural diversification. Increased within-population heterogeneity in predator biomass is also associated with behavioural polymorphism. Some individuals adjust the frequency of consensual mating behaviour in response to differences in sex ratio context, while others display constantly at elevated frequencies. This pattern is analogous to a 'live fast, die young' pace-of-life syndrome. Notably, both high and low mean differences in predator biomass led to a homogenization of individual frequency of consensual mating displays. Overall, our results demonstrate that individual behavioural variation is associated with heterogeneity in predator biomass, but not necessarily with changes in mean values of predator biomass. We suggest that heterogeneity in predator biomass is an informative predictor of adaptive responses to changes in biotic conditions.
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