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Phylogeography and morphometric variation in the Cinnamon Hummingbird complex:Amazilia rutila(Aves:Trochilidae)

Avian Research 2021年第4期12卷 509-525页

作者： Melisa Vázquez-López Nandadevi Córtes-Rodríguez Sahid M.Robles-Bello Alfredo Bueno-Hernández Luz E.Zamudio-Beltrán Kristen Ruegg Blanca E.Hernández-Baños Museo de Zoología Facultad de CienciasUniversidad Nacional Autónoma de MéxicoApartado Postal04510 Mexico CityMexico Department of Biology Ithaca CollegeIthacaNY 14850USA Museo de Zoología Facultad de Estudios Superiores ZaragozaUniversidad Nacional Autónoma de MéxicoMexico CityMexico Department of Biology Colorado State UniversityFort CollinsCO 80523USA

Background:The Mesoamerican dominion is a biogeographic area of great interest due to its complex topography and distinctive climatic *** area has a large diversity of habitats,including tropical deciduous forests,which house a large number of endemic ***,we assess phylogeographic pattern,genetic and morphometric variation in the Cinnamon Hummingbird complex Amazilia rutila,which prefers habitats in this *** resident species is distributed along the Pacific coast from Sinaloa—including the tres marías islands in Mexico to Costa Rica,and from the coastal plain of the Yucatán Peninsula of Mexico south to ***:We obtained genetic data from 85 samples of ***,using 4 different molecular markers(mtDNA:ND2,COI;nDNA:ODC,MUSK)on which we performed analyses of population structure(median-joining network,STRU CTU RE,FST,AMOVA),Bayesian and Maximum Likelihood phylogenetic analyses,and divergence time *** order to evaluate the historic suitability of environmental conditions,we constructed projection models using past scenarios(Pleistocene periods),and conducted Bayesian Skyline Plots(BSP)to visualize changes in population sizes over *** analyze morphometric variation,we took measurements of 5 morphological traits from 210 study *** tested for differences between sexes,differences among geographic groups(defined based on genetic results),and used PCA to examine the variation in multivariate ***:Using mtDNA,we recovered four main geographic groups:the Pacific coast,the tres marías islands,the Chiapas region,and the Yucatán Peninsula together with Central *** same groups were recovered by the phylogenetic results based on the multilocus *** based on BSP results showed constant population size over time throughout the *** complex and within each geographic *** niche model projec-tions onto past scenarios revealed no drastic changes in suitable conditions,but revealed some

关键词： Amazilia rutila Genetic structure Genetic variation Phylogeography tres marías islands Trochilidae Tropical deciduous forest

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