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Brianna Marsh
ESCI 3202-001
21 February 2018
Article Reviewed:
Barrera-Guzmán, Alfredo & Aleixo, Alexandre & D
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Weir, Jason
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Hybrid speciation leads to novel male secondary sexual ornamentation of an Amazonian
bird
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115
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10
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1717319115
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The purpose of the authors’
research is to determine if hybridization between the snow-capped and opal-crowned manakins is
what causes the yellow-gold crown of the golden-crowned manakin, and, if so, specifically what
brand of hybridization
...
It is
suggested in the journal that the hybridization of the golden-crowned manakin occurred due to
either sexual selection, genetic isolation, or geographical factors
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It is determined that crossing geographic
boundaries and sexual selection is what caused hybridization of the three species
...
However, if the
authors were looking to expand their audience they should probably adjust it to something more
broad and easily understandable, such as “How Hybridization Has Altered the Male Population
of an Amazonian Bird
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The abstract clearly outlines the purpose and the main objectives of the journal
...
The results section includes a lot of data analysis, and theories of genetic change based on the
collected information
...
Moving down into the discussion section, where the authors
might be able to do a little work
...
Although, most of it does pertain to the main idea of
the article, there could be a few things cut out
...
Other than that the authors objective is very clear throughout the
article and does not include any type of bias to support their evidence
...
But it isn’t the worst
either
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Although the journal could have been more concise in some areas, it was still well
organized and very informative
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