<?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>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532016000200535</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2016.03.003</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El canto de anuncio de la rana endémica del Pedregal de la ciudad de México]]></article-title>
<article-title xml:lang="en"><![CDATA[The advertisement call of the endemic frog from the Pedregal in Mexico City]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Serrano]]></surname>
<given-names><![CDATA[José M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Chile Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Independencia Santiago]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>87</volume>
<numero>2</numero>
<fpage>535</fpage>
<lpage>539</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532016000200535&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532016000200535&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532016000200535&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En el presente estudio se describe el canto de anuncio de la rana Eleutherodactylus grandis de la población de la Reserva Ecológica del Pedregal de San Ángel. El canto consiste en la repetición de un silbido corto sin frecuencia modulada y una notable modulación en la amplitud. Se encontró que los cantos de anuncio presentan escasa o nula variación individual en la frecuencia dominante, lo cual sugiere que E. grandis posee una firma espectral &#8212;frecuencia espectral distintiva dentro de la población&#8212; que podría estar involucrada en el reconocimiento individual.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: In this study the advertisement call of the frog Eleutherodactylus grandis from the population of the Ecological Reserve Pedregal de San Angel is described. This call consists in a short whistle without modulated frequency and a notorious amplitude modulation. It was found that advertisement calls have scarce or no individual variation in their dominant frequency, which suggest that E. grandis has a spectral signature &#8212;a distinctive spectral frequency within the population&#8212; that could be involved in individual recognition.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bioacústica]]></kwd>
<kwd lng="es"><![CDATA[Variación]]></kwd>
<kwd lng="es"><![CDATA[Eleutherodactylus]]></kwd>
<kwd lng="es"><![CDATA[Especie en peligro]]></kwd>
<kwd lng="en"><![CDATA[Bioacoustics]]></kwd>
<kwd lng="en"><![CDATA[Variation]]></kwd>
<kwd lng="en"><![CDATA[Eleutherodactylus]]></kwd>
<kwd lng="en"><![CDATA[Endangered species]]></kwd>
</kwd-group>
</article-meta>
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