Please use this identifier to cite or link to this item: http://repositorio.ufpa.br/jspui/handle/2011/4124
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Type: Artigo de Periódico
Issue Date: 17-May-2013
Authors: AZEVEDO, Lorena de Sousa
ALEIXO, Alexandre Luis Padovan
SANTOS, Marcos Pérsio Dantas
SAMPAIO, Maria Iracilda da Cunha
SCHNEIDER, Horacio
SOUZA, Marcelo Nazareno Vallinoto de
RÊGO, Péricles Sena do
Title: New molecular evidence supports the species status of Kaempfer's Woodpecker (Aves, Picidae)
Citation: AZEVEDO, Lorena de Sousa, et al. New molecular evidence supports the species status of Kaempfer's Woodpecker (Aves, Picidae). Genetics and Molecular Biology, São Paulo, v. 36, n. 2, p. 192-200, 2013, Epub 17 maio 2013. Disponível em: <http://www.scielo.br/pdf/gmb/v36n2/2012-293.pdf>. Acesso em: 30 jul. 2013. <http://dx.doi.org/10.1590/S1415-47572013005000022>.
Abstract: Kaempfer's Woodpecker (Celeus obrieni) is the only species of the genus Celeus endemic to Brazil. The description of this taxon as a subspecies of the Rufous-headed Woodpecker (Celeus spectabilis) was based on a single specimen. While C. obrieni and C. spectabilis are now considered separate species based on morphological and limited molecular evidence, no study has critically tested the reciprocal monophyly and degree of evolutionary independence between these taxa with several specimens. Herein, fragments of the mitochondrial and nuclear DNA of three recently-collected specimens of C. obrieni were analyzed to evaluate the degree of evolutionary differentiation of this taxon with respect to C. spectabilis. The results confirm the reciprocal monophyly between the specimens of C. obrieni and C. spectabilis. The genetic divergence values for the two taxa also support their classification as independent species, given that they are greater than the values recorded among other closely-related but separate species of the same genus. Estimates of the divergence time between C. obrieni and C. spectabilis indicate that cladogenesis occurred in the mid-Pleistocene, during a period of major climatic fluctuations and landscape change, consistent with the hypothesis of a corridor of open bamboo dominated forests and woodland stretching.
Keywords: Aves
Biogeografia
Celeus obrieni
Celeus spectabilis
Taxonomia
ISSN: 1415-4757
Appears in Collections:Artigos Científicos - ICB
Artigos Científicos - FBIO/IECOS

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