ArticleProceedings. Biological sciences2016
Collateral damage or a shadow of safety? The effects of signalling heterospecific neighbours on the risks of parasitism and predation.
Article in Proceedings. Biological sciences, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 39 citations in OpenAlex.
- Amphibian Strategies Against Attacks by Flies: Host-Specificity and Threats.Ecology and evolution · 2026Review
- The ontogeny of decision-making in an eavesdropping predator.Proceedings. Biological sciences · 2025Article
- Ripple effects in a communication network: anti-eavesdropper defence elicits elaborated sexual signals in rival males.Proceedings. Biological sciences · 2023Article
- Mixed-species groups and aggregations: shaping ecological and behavioural patterns and processes.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023Article
- Mixed-species assemblages and disease: the importance of differential vector and parasite attraction in transmission dynamics.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023Article
- Assessing patterns of eavesdropper risk on sexual signals and the use of meta-analysis in behavioural ecology: a comment on: 'The exploitation of sexual signals by predators: a meta-analysis' WhiteProceedings. Biological sciences · 2023Article
- Article
- Predation risks of signalling and searching: bats prefer moving katydids.Biology letters · 2020Article
- Synchronized mating signals in a communication network: the challenge of avoiding predators while attracting mates.Proceedings. Biological sciences · 2019Article
- Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Although males often display from mixed-species aggregations, the influence of nearby heterospecifics on risks associated with sexual signalling has not been previously examined. We tested whether predation and parasitism risks depend on proximity to heterospecific signallers. Using field playback experiments with calls of two species that often display from the same ponds, túngara frogs and hourglass treefrogs, we tested two hypotheses: (1) calling near heterospecific signallers attractive to eavesdroppers results in increased attention from predatory bats and parasitic midges (collateral damage hypothesis) or (2) calling near heterospecific signallers reduces an individual's predation and parasitism risks, as eavesdroppers are drawn to the heterospecifics (shadow of safety hypothesis). Bat visitation was not affected by calling neighbours. The number of frog-biting midges attracted to hourglass treefrog calls, however, rose threefold when played near túngara calls, supporting the collateral damage hypothesis. We thus show that proximity to heterospecific signallers can drastically alter both the absolute risks of signalling and the relative strengths of pressures from predation and parasitism. Through these mechanisms, interactions between heterospecific guild members are likely to influence the evolution of signalling strategies and the distribution of species at both local and larger scales.
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