Arid
DOI10.1016/j.ympev.2015.09.025
Molecular systematics of the new world screech-owls (Megascops: Ayes, Strigidae): biogeographic and taxonomic implications
Dantas, Sidnei M.1,7; Weckstein, Jason D.2; Bates, John M.2; Krabbe, Niels K.3,4; Daniel Cadena, Carlos5; Robbins, Mark B.6; Valderrama, Eugenio5; Aleixo, Alexandre7
通讯作者Dantas, Sidnei M.
来源期刊MOLECULAR PHYLOGENETICS AND EVOLUTION
ISSN1055-7903
EISSN1095-9513
出版年2016
卷号94页码:626-634
英文摘要

Megascops screech-owls are endemic to the New World and range from southern Canada to the southern cone of South America. The 22 currently recognized Megascops species occupy a wide range of habitats and elevations, from desert to humid montane forest, and from sea level to the Andean tree line. Species and subspecies diagnoses of Megascops are notoriously difficult due to subtle plumage differences among taxa with frequent plumage polymorphism. Using three mitochondrial and three nuclear genes we estimated a phylogeny for all but one Megascops species. Phylogenies were estimated with Maximum Likelihood and Bayesian Inference, and a Bayesian chronogram was reconstructed to assess the spatio-temporal context of Megascops diversification. Megascops was paraphyletic in the recovered tree topologies if the Puerto Rican endemic M. nudipes is included in the genus. However, the remaining taxa are monophyletic and form three major clades: (1) M. choliba, M. koepckeae, M. albogularis, M. clarkii, and M. trichopsis; (2) M. petersoni, M. marshalli, M. hoyi, M. ingens, and M. colombianus; and (3) M. asio, M. kennicottii, M. coo pen, M. barbarus, M. sanctaecatarinae, M. roboratus, M. watsonii, M. atricapilla, M. guatemalae, and M. vermiculatus. Megascops watsonii is paraphyletic with some individuals more closely related to M. atricapilla than to other members in that polytypic species. Also, allopatric populations of some other Megascops species were highly divergent, with levels of genetic differentiation greater than between some recognized species-pairs. Diversification within the genus is hypothesized to have taken place during the last 8 million years, with a likely origin in Central America. The genus later expanded over much of the Americas and then diversified via multiple dispersal events from the Andes into the Neotropical lowlands. (C) 2015 Elsevier Inc. All rights reserved.


英文关键词Amazonia Ancestral area reconstruction Andes Central America Diversification Neotropics
类型Article
语种英语
国家Brazil ; USA ; Denmark ; Colombia
收录类别SCI-E
WOS记录号WOS:000366443300015
WOS关键词MITOCHONDRIAL CYTOCHROME-B ; MAXIMUM-LIKELIHOOD ; DNA-SEQUENCES ; PHYLOGENY ; AVES ; OTUS ; DIVERSIFICATION ; EVOLUTION ; SPECIATION ; PHYLOGEOGRAPHY
WOS类目Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS研究方向Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195106
作者单位1.Fed Univ Para, Museu Paraense Emilio Goeldi, Curso Posgrad Zool, BR-66077530 Belem, Para, Brazil;
2.Field Museum Nat Hist, Integrat Res Ctr, Chicago, IL 60605 USA;
3.Univ Copenhagen, Vertebrate Dept, DK-2100 Copenhagen, Denmark;
4.Univ Copenhagen, Zool Museum, DK-2100 Copenhagen, Denmark;
5.Univ Los Andes, Dept Ciencias Biol, Bogota, Colombia;
6.Univ Kansas, Biodivers Res Inst, Lawrence, KS 66045 USA;
7.Museu Paraense Emilio Goeldi, Coordenacao Zool, BR-66077530 Belem, Para, Brazil
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GB/T 7714
Dantas, Sidnei M.,Weckstein, Jason D.,Bates, John M.,et al. Molecular systematics of the new world screech-owls (Megascops: Ayes, Strigidae): biogeographic and taxonomic implications[J],2016,94:626-634.
APA Dantas, Sidnei M..,Weckstein, Jason D..,Bates, John M..,Krabbe, Niels K..,Daniel Cadena, Carlos.,...&Aleixo, Alexandre.(2016).Molecular systematics of the new world screech-owls (Megascops: Ayes, Strigidae): biogeographic and taxonomic implications.MOLECULAR PHYLOGENETICS AND EVOLUTION,94,626-634.
MLA Dantas, Sidnei M.,et al."Molecular systematics of the new world screech-owls (Megascops: Ayes, Strigidae): biogeographic and taxonomic implications".MOLECULAR PHYLOGENETICS AND EVOLUTION 94(2016):626-634.
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