<?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>S1870-74592020000200013</article-id>
<article-id pub-id-type="doi">10.28947/hrmo.2020.21.2.482</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Registro de leucismo en petrel gigante antártico (Macronectes giganteus) en isla Larga, Región de Aysén, Chile]]></article-title>
<article-title xml:lang="en"><![CDATA[Record of a leucism Southern giant-petrel (Macronectes giganteus) in isla Larga, Aysén region, Chile]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Novoa]]></surname>
<given-names><![CDATA[Fernando J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casanova]]></surname>
<given-names><![CDATA[Leonardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pontificia Universidad Católica de Chile Centro UC de Desarrollo Local Laboratorio ECOS (Ecología-Complejidad-Sociedad)]]></institution>
<addr-line><![CDATA[Villarrica ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Salmones Multiexport  ]]></institution>
<addr-line><![CDATA[Puerto Montt ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>21</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-74592020000200013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-74592020000200013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-74592020000200013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las anomalías cromáticas se deben mayoritariamente a alteraciones genéticas, pero también pueden ser causadas por factores ambientales y alimenticios. Reportamos un caso de leucismo en petrel gigante antártico (Macronectes giganteus) en la localidad de Bahía Ana Pink, al sur de isla larga en la Región de Aysén, Chile. El petrel gigante antártico tiene amplia distribución en los océanos del sur, y es abundante en las latitudes más altas. El plumaje de M. giganteus es dimórfico, con una fase oscura y una fase blanca. La fase blanca podría confundirse fácilmente con una anormalidad del plumaje. Es importante documentar especies e individuos con anomalías cromáticas en estado silvestre para entender con mayor claridad por qué ocurre este tipo de anor­ malidad en el pigmento de las aves e inferir sobre los patrones espacio-temporales de su ocurrencia. Los registros de Procellariiformes leucísticos en zonas del océano Pacífico Sur son escasos o ausentes, por lo que este estudio contribuye a un mejor conocimiento de las aberraciones del plumaje en este grupo de aves marinas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Chromatic abnormalities are due mainly to genetic alterations but may also be caused by environmental and nutritional factors. We report a case of leucism in the Southern Giant-Petrel from Bahía Ana Pink locality, south of isla Larga in the Aysén Region, Chile. The species is widely distributed in the southern oceans, being abundant in the higher latitudes. The plumage of M. giganteus is dimorphic, with a dark phase and a white phase. The white phase could easily be mistaken for a plumage abnormality. It is important to document species and individuals with chromatic abnormalities in the wild, to understand more clearly why this type of abnormality occurs in the pigment of birds and infer the spatio-temporal patterns of its occurrence. Procellariiformes leucistic records in areas of the South Pacific Ocean are scarce or absent, so this study contributes to a better knowledge of plumage abnormalities in this group of seabirds.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[aberraciones cromáticas]]></kwd>
<kwd lng="es"><![CDATA[anormalidades pigmentarias]]></kwd>
<kwd lng="es"><![CDATA[coloración atípica]]></kwd>
<kwd lng="es"><![CDATA[Patagonia]]></kwd>
<kwd lng="es"><![CDATA[plumaje]]></kwd>
<kwd lng="es"><![CDATA[Procellariiformes]]></kwd>
<kwd lng="en"><![CDATA[atypical coloration]]></kwd>
<kwd lng="en"><![CDATA[pigmentary abnormalities]]></kwd>
<kwd lng="en"><![CDATA[chromatic aberrations]]></kwd>
<kwd lng="en"><![CDATA[Patagonia]]></kwd>
<kwd lng="en"><![CDATA[plumage]]></kwd>
<kwd lng="en"><![CDATA[Procellariiformes]]></kwd>
</kwd-group>
</article-meta>
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