ArticleProceedings. Biological sciences2023
Morphology and niche evolution influence hummingbird speciation rates.
Article in Proceedings. Biological sciences, 2023. 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.
- No Consistent Effect of Migration on Speciation Rates in Two Avian Superfamilies: A Check on the Robustness of Trait-Dependent Diversification Methods.Systematic biology · 2026Article
- Mountain colonization precedes shifts away from bee pollination in Melastomataceae.The New phytologist · 2025Article
- Article
- Evolution of the syrinx of Apodiformes, including the vocal-learning Trochilidae (Aves: Strisores).Zoological journal of the Linnean Society · 2024Article
- Ecological niche conservatism spurs diversification in response to climate change.Nature ecology & evolution · 2024Article
- Morphology and niche evolution influence hummingbird speciation rates.Proceedings. Biological sciences · 2023Article
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Authors and funding
7 authors.
Funding
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Abstract
How traits affect speciation is a long-standing question in evolution. We investigate whether speciation rates are affected by the traits themselves or by the rates of their evolution, in hummingbirds, a clade with great variation in speciation rates, morphology and ecological niches. Further, we test two opposing hypotheses, postulating that speciation rates are promoted by trait conservatism or, alternatively, by trait divergence. To address these questions, we analyse morphological (body mass and bill length) and niche traits (temperature and precipitation position and breadth, and mid-elevation), using a variety of methods to estimate speciation rates and correlate them with traits and their evolutionary rates. When it comes to the traits, we find faster speciation in smaller hummingbirds with shorter bills, living at higher elevations and experiencing greater temperature ranges. As for the trait evolutionary rates, we find that speciation increases with rates of divergence in the niche traits, but not in the morphological traits. Together, these results reveal the interplay of mechanisms through which different traits and their evolutionary rates (conservatism or divergence) influence the origination of hummingbird diversity.
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