<?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>S1870-74592019000200208</article-id>
<article-id pub-id-type="doi">10.28947/hrmo.2019.20.2.398</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Nuevo registro del águila cabeza blanca, Haliaeetus leucocephalus (Accipitriformes: Accipitridae) en la presa de Atlangatepec, Tlaxcala, México]]></article-title>
<article-title xml:lang="en"><![CDATA[A new record of the Bald Eagle, Haliaeetus leucocephalus (Accipitriformes: Accipitridae) at the Presa de Atlangatepec, Tlaxcala, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Windfield-Pérez]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[Jesús A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,J Windfield, S.A. de C.V.  ]]></institution>
<addr-line><![CDATA[ Tlaxcala]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Chihuahua  ]]></institution>
<addr-line><![CDATA[Chihuahua Chihuahua]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>20</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-74592019000200208&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-74592019000200208&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-74592019000200208&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El águila cabeza blanca (Haliaeetus leucocephalus) se distribuye principalmente en el norte del continente americano, desde Alaska y Canadá hasta las costas de Sinaloa y Veracruz, sin embargo, en el centro de México existen pocos registros recientes. Por primera vez para el estado de Tlaxcala, el 1 de marzo de 2016 observamos un espécimen juvenil de H. leucocephalus perchado en la copa de un árbol a un costado de la presa de Atlangatepec, Tlaxcala. Este registro se ubica a 2498 msnm, que es una altitud mayor a la observada en registros previos en México y aumenta el número de rapaces registradas para el estado a 16 especies. Probablemente el aumento en las actividades relacionadas con el estudio de las aves en Tlaxcala, como la investigación científica y la observación y fotografía, ha resultado en la generación de mayor conocimiento y documentación de múltiples aspectos de la biología de su avifauna nativa.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The Bald Eagle (Haliaeetus leucocephalus) is distributed mainly in the northern hemisphere, from Alaska and Canada to the coasts of Sinaloa and Veracruz, however, in central Mexico there are few visual records available in data bases. For the first time in the state of Tlaxcala, on March 1, 2016, a juvenile individual of H. leucocephalus was observed perched in a tree near the shore of presa de Atlangatepec. The record is placed at 2,498 masl, a higher elevation than most of previous records for Mexico, and raising the raptor list for Tlaxcala to 16 species. Probably the increasing activities related to the study of birds in Tlaxcala as scientific research and observation and photography, has resulted in a better understanding and documentation of multiple aspects of the biology of the native avifauna.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Accipitriformes]]></kwd>
<kwd lng="es"><![CDATA[altitud]]></kwd>
<kwd lng="es"><![CDATA[Eje Neovolcánico Transversal]]></kwd>
<kwd lng="es"><![CDATA[extensión de rango]]></kwd>
<kwd lng="en"><![CDATA[Accipitriformes]]></kwd>
<kwd lng="en"><![CDATA[altitude]]></kwd>
<kwd lng="en"><![CDATA[Transmexican Volcanic Belt]]></kwd>
<kwd lng="en"><![CDATA[range extension]]></kwd>
</kwd-group>
</article-meta>
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