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Molecular systematics and evolution of the Cyanocorax jays
dc.contributor.author | Bonaccorso, Elisa | |
dc.contributor.author | Peterson, A. Townsend | |
dc.contributor.author | Navarro-Sigüenza, Adolfo G. | |
dc.contributor.author | Fleischer, Robert C. | |
dc.date.accessioned | 2010-08-20T20:02:15Z | |
dc.date.available | 2010-08-20T20:02:15Z | |
dc.date.issued | 2010-03 | |
dc.identifier.citation | Bonaccorso, E. A., A. T. Peterson, A. G. Navarro-Sigüenza, and R. C. Fleischer. 2010. Molecular systematics and evolution of the Cyanocorax jays. Molecular Phylogenetics and Evolution. http://dx.doi.org/10.1016/j.ympev.2009.11.014 | |
dc.identifier.uri | http://hdl.handle.net/1808/6568 | |
dc.description.abstract | Phylogenetic relationships were studied in the genus Cyanocorax (Aves: Corvidae) and related genera, Psilorhinus and Calocitta, a diverse group of New World jays distributed from the southern United States south to Argentina. Although the ecology and behavior of some species in the group have been studied extensively, lack of a molecular phylogeny has precluded rigorous interpretations in an evolutionary framework. Given the diverse combinations of plumage coloration, size, and morphology, the taxonomy of the group has been inconsistent and understanding of biogeographic patterns problematic. Moreover, plumage similarity between two geographically disjuct species, the Tufted Jay (Cyanocorax dickeyi) from western Mexico and the White-tailed Jay (C. mystacalis) from western Ecuador and Peru, has puzzled ornithologists for decades. Here, a phylogeny of all species in the three genera is presented, based on study of two mitochondrial and three nuclear genes. Phylogenetic trees revealed the non-monophyly of Cyanocorax, and the division of the whole assemblage in two groups: “Clade A” containing Psilorhinus morio, both species in Calocitta, Cyanocorax violaceus, C. caeruleus, C. cristatellus, and C. cyanomelas, and “Clade B” consisting of the remaining species in Cyanocorax. Relationships among species in Clade A were ambiguous and, in general, not well resolved. Within Clade B, analyses revealed the monophyly of the “Cissilopha” jays and showed no evidence for a sister relationship between C. mystacalis and C. dickeyi. The phylogenetic complexity of lineages in the group suggests several complications for the understanding biogeographic patterns, as well as for proposing a taxonomy that is consistent with morphological variation. Although multiple taxonomic arrangements are possible, recommendations are for recognizing only one genus, Cyanocorax, with Psilorhinus and Calocitta as synonyms. Se estudiaron las relaciones filogenéticas en los géneros Cyanocorax, Psilorhinus y Calocitta (Aves: Corvidae), un grupo diverso de urracas del Nuevo Mundo cuyas especies se distribuyen desde el sur de los Estados Unidos hasta Argentina. Aunque la ecología y el comportamiento de algunas especies en el grupo han sido estudiadas extensamente, la falta de una filogenia molecular ha impedido la interpretación rigurosa de estos estudios en un marco evolutivo. Dadas las diversas combinaciones de coloración de plumaje, tamaño y morfología presentes en las especies del grupo, su taxonomía ha sido inconsistente y la interpretación de sus patrones biogeográficos ha sido problemática. Mas aún, la similitud de plumaje en especies que están geográficamente distantes, como Cyanocorax dickeyi del oeste de Mexico y C. mystacalis del oeste de Ecuador y Perú, ha sido difícil de interpretar. Se presenta una filogenia para todas las especies en los tres géneros, basada en el estudio de dos genes nucleares y dos genes mitocondriales. Los árboles filogenéticos mostraron la parafilia de Cyanocorax y la división de todas las especies en dos grupos: “Clado A” en el cual se encuentran Psilorhinus morio, ambas especies Calocitta, Cyanocorax violaceus, C. caeruleus, C. cristatellus, y C. cyanomelas, y “Clado B” en el cual se encuentran el resto de las especies de Cyanocorax. Las relaciones entre especies del Clado A fueron ambiguas y, en general, poco resueltas. En el Clado B, los análisis mostraron la monofilia de las especies en “Cissilopha”, pero no indicaron la monofilia de C. mystacalis + C. dickeyi. La complejidad filogenética de los linajes en el grupo sugiere varias complicaciones en el entendimiento de su biogeografía y taxonomía. Con base en los resultados filogenéticos se reconoce un solo género, Cyanocorax, con Psilorhinus y Calocitta como sinónimos. | |
dc.language.iso | en_US | |
dc.publisher | Elsevier Inc. | |
dc.rights | Molecular Phylogenetics and Evolution Volume 54, Issue 3, March 2010, Pages 897-909 doi:10.1016/j.ympev.2009.11.014 Copyright © 2009 Elsevier Inc. All rights reserved. | |
dc.subject | Cyanocorax | |
dc.subject | Psilorhinus | |
dc.subject | Calocitta | |
dc.subject | Neotropics | |
dc.subject | New world jays | |
dc.subject | Biogeography | |
dc.subject | Taxonomy | |
dc.title | Molecular systematics and evolution of the Cyanocorax jays | |
dc.type | Article | |
kusw.kuauthor | Peterson, A. Townsend | |
kusw.oastatus | na | |
dc.identifier.doi | 10.1016/j.ympev.2009.11.014 | |
dc.identifier.orcid | https://orcid.org/0000-0002-7262-9356 | |
kusw.oaversion | Scholarly/refereed, author accepted manuscript | |
kusw.oapolicy | This item does not meet KU Open Access policy criteria. | |
dc.rights.accessrights | openAccess |
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