Completing the Speciation Cycle: Ecological Niches and Traits Predict Local Species Coexistence in Birds Across the Globe

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F25%3A73634078" target="_blank" >RIV/61989592:15310/25:73634078 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11310/25:10500785

Result on the web

<a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/geb.70002" target="_blank" >https://onlinelibrary.wiley.com/doi/epdf/10.1111/geb.70002</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/geb.70002" target="_blank" >10.1111/geb.70002</a>

Result language

angličtina

Original language name

Completing the Speciation Cycle: Ecological Niches and Traits Predict Local Species Coexistence in Birds Across the Globe

Original language description

Aim: The build-up of local species diversity requires completing the transition from allopatry to sympatry to local coexistence (syntopy). However, understanding processes than enable species arising in allopatry to become syntopic remains an unsolved challenge. Potential explanations include niche conservatism, niche divergence, and energy availability. To gauge their importance, we modelled the effects of species split age, the divergence in beta and alpha niches, specialisation, and resource availability to reveal factors driving the evolution of local species coexistence upon speciation. Location:Global. Time Period: Miocene to the present. Major Taxa Studied: Passerine birds. Methods: We collated a dataset of 206 passerine sister species pairs, each with their age of divergence; range sympatry; degree of syntopy (derived from 7,257,312 complete eBird checklists falling within the area of range overlap); beta niche divergence (habitats and environmental characteristics); alpha niche divergence (morphology, diet, and foraging stratum); species ecological specialisation (diet and foraging stratum); resource availability; and body mass. We used phylogeny-informed models to infer which of these factors best explained local species coexistence upon speciation. Results: There was a major effect of niche conservatism as species with more similar beta niches (canopy height, vegetation greenness, moisture availability, and habitat affinities) exhibited higher degree of syntopy. Small species with similarly sized beaks and high specialisation on diet were also more likely to coexist locally. In contrast, the divergence or overlap in alpha niches (diet and foraging stratum) did not predict the degree of syntopy. Confirming previous studies, the degree of syntopy strongly increased with increasing range sympatry, while only weakly in older species pairs. Main Conclusions: The evolution of secondary syntopy is driven by niche conservatism, ecological specialisation, and body mass-related energy requirements. Consequently, the accumulation of local species richness is facilitated by both conservatism and differentiation along various ecological niche dimensions.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10615 - Ornithology

Project

<a href="/en/project/GA21-26376S" target="_blank" >GA21-26376S: Ecology and evolution of secondary sympatry in birds across spatial scales</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2025

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

GLOBAL ECOLOGY AND BIOGEOGRAPHY

ISSN

1466-822X

e-ISSN

1466-8238

Volume of the periodical

34

Issue of the periodical within the volume

2

Country of publishing house

GB - UNITED KINGDOM

Number of pages

15

Pages from-to

"e70002-1"-"e70002-15"

UT code for WoS article

001409561900001

EID of the result in the Scopus database

2-s2.0-85216659527