<?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>S1870-74592024000100206</article-id>
<article-id pub-id-type="doi">10.28947/hrmo.2024.25.1.687</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Nuevo registro y ampliación de distribución altitudinal de parasitismo del vaquero brilloso (Molothrus bonariensis) sobre el gorrión criollo (Zonotrichia capensis) en el área urbana de Quito, Pichincha, Ecuador]]></article-title>
<article-title xml:lang="en"><![CDATA[New record and extension of altitudinal distribution of parasitism by the Shiny Cowbird (Molothrus bonariensis) on the Rufous-collared Sparrow (Zonotrichia capensis) in the urban area of Quito, Pichincha, Ecuador]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[Karen Valencia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calle]]></surname>
<given-names><![CDATA[Edison Auqui]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal do Rio Grande do Sul Instituto de Biociências ]]></institution>
<addr-line><![CDATA[Porto Alegre ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal do Rio Grande do Sul Centro Interdisciplinar Sociedade ]]></institution>
<addr-line><![CDATA[Porto Alegre ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Federal do Rio Grande do Sul  ]]></institution>
<addr-line><![CDATA[Porto Alegre ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<volume>25</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-74592024000100206&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-74592024000100206&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-74592024000100206&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. Los casos de parasitismo del vaquero brilloso (Molothrus bonariensis) usando al gorrión criollo (Zonotrichia capensis) han sido reportados únicamente en zonas urbanas por debajo de los 2817 msnm en Ecuador. Entre enero y marzo de 2022, en la ciudad de Quito, Ecuador, a 3040 msnm, registramos un caso de parasitismo de M. bonariensis usando al gorrión Z. capensis como hospedero. Observamos al volantón de M. bonariensis solicitando insistentemente ser alimentado por los adultos del gorrión Z. capensis durante un periodo de 58 días, hasta que el volantón abandonó los cuidados parentales. Este caso representa una ampliación de 223 m en el rango altitudinal de parasitismo entre estas dos especies y aporta a la información de la expansión y colonización de M. bonariensis en zonas altoandinas. Nuestro registro de una más larga duración del periodo de cuidado parental del volantón tiene implicaciones en la relación parásito-hospedero, requiriendo de mayor gasto energético por hospederos pequeños.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. Cases of parasitism of the Shiny Cowbird (Molothrus bonariensis) on the Rufous-collared Sparrow (Zonotrichia capensis) have only been reported in urban areas below 2817 masl in Ecuador. Between January and March 2022, in the city of Quito, Ecuador, at 3040 masl, we registered parasitism by the Shiny Cowbird using the Rufous-collared Sparrow as a host. We observed the fledgling Shiny Cowbird insistently begging to be fed by adult Rufous-collared Sparrows over a period of 58 days, until the fledgling abandoned parental care. This report represents an extension of 223 m in the altitudinal range of parasitism between these two species, and contributes to information on the expansion and colonization of the Shiny Cowbird in high Andean areas. Our record of a longer duration of parental care of the fledgling has implications for the parasite-host relationship, requiring greater energy expenditure by small hosts.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[aves urbanas]]></kwd>
<kwd lng="es"><![CDATA[parasitismo de cría]]></kwd>
<kwd lng="es"><![CDATA[hospedero aviar]]></kwd>
<kwd lng="es"><![CDATA[expansión altitudinal]]></kwd>
<kwd lng="es"><![CDATA[altoandina]]></kwd>
<kwd lng="en"><![CDATA[altitude expansion]]></kwd>
<kwd lng="en"><![CDATA[avian host]]></kwd>
<kwd lng="en"><![CDATA[brood parasitism]]></kwd>
<kwd lng="en"><![CDATA[high Andean]]></kwd>
<kwd lng="en"><![CDATA[urban birds]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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