<?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>S1870-34532022000100302</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2022.93.3836</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Nesting resources availability for cavity adopter birds in a tropical dry forest of Central Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Disponibilidad de recursos de anidación para aves adoptadoras de cavidades en un bosque tropical seco del centro de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina-Estrada]]></surname>
<given-names><![CDATA[Jannete]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Remolina-Figueroa]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Bastida]]></surname>
<given-names><![CDATA[Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Reyes]]></surname>
<given-names><![CDATA[Leopoldo D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ciencias Museo de Zoología]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autonoma de Mexico Posgrado en Ciencias Biologicas ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autonoma de Mexico  ]]></institution>
<addr-line><![CDATA[Tlalnepantla de Baz Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>93</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532022000100302&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532022000100302&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532022000100302&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Nesting resources for cavity-adopter birds commonly have spatial aggregation patterns within tropical dry forests. Spatial aggregation occurs because large trees, carrying large cavities, are restricted within small semideciduous forest areas. In contrast, deciduous forests occupy most of the coverage with smaller trees and cavities. Consequently, semideciduous forest loss could imperil cavity-adopter birds with large bodies. To test this hypothesis, we performed an intensive search in a tropical dry forest in Central-Mexico. We surveyed 5 transects -0.2 ha- in both deciduous and semideciduous forest, totalizing a survey of 2 ha. There were no differences in resource density between deciduous (4 ± 6.51 cavities/ha) and semideciduous forest (11 ± 6.51 cavities/ha). However, semideciduous forest cavities had wider entrances and were in larger trees. Besides, 90% of nesting resources for birds with bodies &gt; 6 cm were restricted within the semideciduous forest, including Megascops seductus, an endemic owl, and Ara militaris, a threatened macaw. Bird-excavated cavities were associated with deciduous forest and Pachycereus weberi cacti. In contrast, decay cavities were associated with semideciduous forest and Enterolobium cyclocarpum trees. Our results suggest that the conservation of large-bodied cavity-adopter birds within dry forest depends on semideciduous forest coverage.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los recursos para aves adoptadoras de cavidades, por lo común, están agregados espacialmente dentro del bosque tropical seco. Esto ocurre porque los árboles grandes, con cavidades de mayor tamaño, están restringidos en áreas pequeñas de bosque subcaducifolio. En contraste, el bosque caducifolio, con árboles y cavidades menores, ocupa mayores extensiones. Como consecuencia, la pérdida de bosque subcaducifolio podría amenazar a las aves adoptadoras de cavidades. Para evaluar esta hipótesis, muestreamos por búsqueda intensiva un bosque tropical seco del centro de México, considerando 5 transectos de 0.2 ha en cada tipo de bosque, totalizando 2 ha muestreadas. No hubo diferencias entre bosque caducifolio (4 ± 6.51 cavidades/ha) y subcaducifolio (11 ± 6.51 cavidades/ha). Sin embargo, las cavidades del bosque subcaducifolio tuvieron entradas más anchas y estaban en árboles más grandes. El 90% de los recursos para aves con cuerpos &gt; 6 cm, como Megascops seductus y Ara militaris, estuvieron en el bosque subcaducifolio. Las cavidades excavadas se asociaron con el bosque caducifolio y el cactus Pachycereus weberi, mientras que las cavidades formadas por decaimiento se asociaron con el bosque subcaducifolio y árboles de Enterolobium cyclocarpum. Nuestros resultados indican que la conservación de aves adoptadoras de cavidades depende de la cobertura de bosque subcaducifolio.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Neotropics]]></kwd>
<kwd lng="en"><![CDATA[Nesting resources]]></kwd>
<kwd lng="en"><![CDATA[Secondary cavity nesters]]></kwd>
<kwd lng="en"><![CDATA[Tree cavities]]></kwd>
<kwd lng="es"><![CDATA[Neotrópico]]></kwd>
<kwd lng="es"><![CDATA[Recursos de anidamiento]]></kwd>
<kwd lng="es"><![CDATA[Anidadores secundarios de cavidad]]></kwd>
<kwd lng="es"><![CDATA[Cavidades de árboles]]></kwd>
</kwd-group>
</article-meta>
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