ArticleRoyal Society open science2016
Divergent morphological and acoustic traits in sympatric communities of Asian barbets.
Article in Royal Society open science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 43 citations in OpenAlex.
- Niche-related processes explain phylogenetic structure of acoustic bird communities in Mexico.PeerJ · 2025Article
- Machine learning and statistical classification of birdsong link vocal acoustic features with phylogeny.Scientific reports · 2023Article
- Bill shape imposes biomechanical tradeoffs in cavity-excavating birds.Proceedings. Biological sciences · 2023Article
- An allometric prior enhances acoustic niche partitioning signal.Journal of the Royal Society, Interface · 2022Article
- Vocal repertoire, micro-geographical variation and within-species acoustic partitioning in a highly colonial pinniped, the Cape fur seal.Royal Society open science · 2021Article
- Convergent acoustic community structure in South Asian dry and wet grassland birds.Biology open · 2021Article
- Competition for acoustic space in a temperate-forest bird community.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
- Frequency masking drives species-specific temporal avoidance strategies in boreal songbirds.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The opposing effects of environmental filtering and competitive interactions may influence community assembly and coexistence of related species. Competition, both in the domain of ecological resources, and in the sensory domain (for example, acoustic interference) may also result in sympatric species evolving divergent traits and niches. Delineating these scenarios within communities requires understanding trait distributions and phylogenetic structure within the community, as well as patterns of trait evolution. We report that sympatric assemblages of Asian barbets (frugivorous canopy birds) consist of a random phylogenetic sample of species, but are divergent in both morphological and acoustic traits. Additionally, we find that morphology is more divergent than expected under Brownian evolution, whereas vocal frequency evolution is close to the pattern expected under Brownian motion (i.e. a random walk). Together, these patterns are consistent with a role for competition or competitive exclusion in driving community assembly. Phylogenetic patterns of morphological divergence between related species suggest that these traits are key in species coexistence. Because vocal frequency and size are correlated in barbets, we therefore hypothesize that frequency differences between sympatric barbets are a by-product of their divergent morphologies.
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