<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1870-7459</journal-id>
<journal-title><![CDATA[Huitzil]]></journal-title>
<abbrev-journal-title><![CDATA[Huitzil]]></abbrev-journal-title>
<issn>1870-7459</issn>
<publisher>
<publisher-name><![CDATA[Sociedad para el Estudio y Conservación de las Aves en México, A.C. (CIPAMEX)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-74592022000100006</article-id>
<article-id pub-id-type="doi">10.28947/hrmo.2022.23.1.536</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Primer registro de un pato tepalcate (Oxyura jamaicensis) y de un pato cucharón norteño (Spatula clypeata) con coloración aberrante en el centro de México]]></article-title>
<article-title xml:lang="en"><![CDATA[First record of Ruddy Duck (Oxyura jamaicensis) and Northern Shoveler (Spatula clypeata) with aberrant coloration in central Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cayetano-Rosas]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bautista-Trejo]]></surname>
<given-names><![CDATA[Rogelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Garduño]]></surname>
<given-names><![CDATA[J. Oswaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Albores]]></surname>
<given-names><![CDATA[Jorge E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Ingeniería ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de México Instituto de Ciencias Agropecuarias y Rurales ]]></institution>
<addr-line><![CDATA[Toluca de Lerdo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Yaocelotl, A.C.  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>23</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-74592022000100006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-74592022000100006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-74592022000100006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Registramos la presencia de un individuo de pato tepalcate (Oxyura jamaicensis) con plumaje diluido y dos de pato cucharón norteño (Spatula clypeata), uno con canoso progresivo y el otro con leucismo parcial en el Lago Nabor Carrillo en Texcoco, Estado de México. Estas observaciones representan los primeros registros de coloración aberrante para estas especies en México. Documentar este tipo de casos puede ayudar a entender la frecuencia de las aberraciones cromáticas, así como mecanismos de especiación en los diferentes grupos de aves.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract We recorded the presence of an individual of Ruddy Duck (Oxyura jamaicensis) with diluted plumage and two of the Northern Shoveler (Spatula clypeata), one with progressive graying and another one with partial leucism in Lake Nabor Carrillo, Texcoco, State of Mexico. These observations represent the first records of aberrant coloration for these species in Mexico. Documenting such cases can help to understand the frequency of chromatic aberrations, as well as mechanisms of speciation in different groups of birds.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Aberración cromática]]></kwd>
<kwd lng="es"><![CDATA[Anatidae]]></kwd>
<kwd lng="es"><![CDATA[canoso progresivo]]></kwd>
<kwd lng="es"><![CDATA[dilución]]></kwd>
<kwd lng="es"><![CDATA[lago Nabor Carrillo]]></kwd>
<kwd lng="es"><![CDATA[leucismo parcial]]></kwd>
<kwd lng="es"><![CDATA[plumaje]]></kwd>
<kwd lng="es"><![CDATA[Texcoco]]></kwd>
<kwd lng="en"><![CDATA[Chromatic aberration]]></kwd>
<kwd lng="en"><![CDATA[Anatidae]]></kwd>
<kwd lng="en"><![CDATA[dilution]]></kwd>
<kwd lng="en"><![CDATA[lake Nabor Carrillo]]></kwd>
<kwd lng="en"><![CDATA[partial leucism]]></kwd>
<kwd lng="en"><![CDATA[progressive greying]]></kwd>
<kwd lng="en"><![CDATA[plumage]]></kwd>
<kwd lng="en"><![CDATA[Texcoco]]></kwd>
</kwd-group>
</article-meta>
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