<?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>1605-2528</journal-id>
<journal-title><![CDATA[Ecología en Bolivia]]></journal-title>
<abbrev-journal-title><![CDATA[Ecología en Bolivia]]></abbrev-journal-title>
<issn>1605-2528</issn>
<publisher>
<publisher-name><![CDATA[Plural Editores ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1605-25282023000200078</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación del contenido estomacal de tres especies de aves poco conocidas con distribución restringida en Bolivia]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of the stomach contents of three poorly known bird species with restricted distribution in Bolivia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Veliz Baldiviezo]]></surname>
<given-names><![CDATA[Cristian Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Museo de Historia Natural Noel Kempff Mercado  ]]></institution>
<addr-line><![CDATA[Santa Cruz de la Sierra ]]></addr-line>
<country>Bolivia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2023</year>
</pub-date>
<volume>58</volume>
<numero>2</numero>
<fpage>78</fpage>
<lpage>84</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&amp;pid=S1605-25282023000200078&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_abstract&amp;pid=S1605-25282023000200078&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_pdf&amp;pid=S1605-25282023000200078&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El análisis de la dieta de los animales es una de las bases importantes para conocer sus historias de vida e interacciones en sus ambientes. Además, las especies con distribución restringida cumplen roles significativos en sus hábitats, por lo que su estudio es necesario para guiar acciones de manejo y conservación. Por tal motivo, se buscó describir la dieta de tres especies de aves poco conocidas en Bolivia (Atlapetes rufinucha, Heliothraupis oneilli y Turdus haplochrous). Se realizó una evaluación cualitativa (ítems alimenticios) y cuantitativa (abundancia relativa, masa contenida y frecuencia) de estómagos y buches extraídos de ejemplares pertenecientes a la colección científica del Museo de Historia Natural Noel Kempff Mercado. Los resultados confirman a A. rufinucha como una especie omnívora, encontrándose seis ítems alimenticios, siendo frecuentes las semillas de Rubus cf. boliviensis. Para H. oneilli se registraron ocho ítems, destacándose las semillas de la familia Poaceae, aunque se la considera una especie insectívora por presentar un 84.4% de masa contenida de artrópodos. Por último, para T. haplochrous se encontraron cuatro ítems, especialmente semillas del género Licaria, considerándola una especie frugívora por tener un 94.5% de masa contenida de frutos. Estos nuevos datos aportan al conocimiento de la historia natural de estas especies, facilitando estudios o acciones futuras. Se recomiendan análisis de heces y observaciones focales para obtener más información sobre sus dietas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The analysis of the diet of animals is an important basis to understand their life histories and interactions. In addition, species with restricted distribution play significant roles in their habitats, so their study is necessary to guide management and conservation actions. For this reason, we sought to describe the diet of three little-known bird species in Bolivia (Atlapetes rufinucha, Heliothraupis oneilli y Turdus haplochrous). A qualitative (food items) and quantitative (relative abundance, mass content, and frequency) evaluation of stomachs and crops extracted from specimens belonging to the scientific collection of the Museum of Natural History Noel Kempff Mercado was carried out. The results confirm A. rufinucha as an omnivorous species, finding six food items, being frequent the seeds of Rubus cf. boliviensis. For H. oneilli, eight items were recorded, highlighting the seeds of Poaceae family, although it is considered an insectivorous species for presenting 84.4% of mass content of arthropods. Finally, for T. haplochrous four items were found, especially seeds of the genus Licaria, considering it a frugivorous species because it has a 94.5% of mass content of fruits. These new data contribute to the knowledge of the natural history of these species, facilitating future studies or actions Fecal analyses and focal observations are recommended to obtain more information about their diets.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Dieta de aves]]></kwd>
<kwd lng="es"><![CDATA[Atlapetes rufinucha]]></kwd>
<kwd lng="es"><![CDATA[Heliothraupis oneilli]]></kwd>
<kwd lng="es"><![CDATA[Turdus haplochrous]]></kwd>
<kwd lng="en"><![CDATA[Atlapetes rufinucha]]></kwd>
<kwd lng="en"><![CDATA[Heliothraupis oneilli]]></kwd>
<kwd lng="en"><![CDATA[Turdus haplochrous]]></kwd>
</kwd-group>
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