<?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>S1870-74592016000200244</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Recursos florales y colibríes durante la época seca en la Reserva de la Biosfera Ría Lagartos, Yucatán, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Floral resources and hummingbirds during the dry season in the Ría Lagartos Biosphere Reserve, Yucatán, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina-van Berkum]]></surname>
<given-names><![CDATA[Pamela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parra-Tabla]]></surname>
<given-names><![CDATA[Víctor P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leirana-Alcocer]]></surname>
<given-names><![CDATA[Jorge L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Yucatán  ]]></institution>
<addr-line><![CDATA[Mérida Yucatán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>17</volume>
<numero>2</numero>
<fpage>244</fpage>
<lpage>250</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-74592016000200244&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-74592016000200244&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-74592016000200244&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los colibríes son importantes polinizadores del Neotrópico y son indicadores de perturbación de la vegetación. Para conservarlos, se requiere conocer los recursos florales que utilizan. En este trabajo documentamos las especies de colibríes y las especies de plantas que usan como alimento durante parte de la estación seca (enero-marzo 2013) en la Reserva de la Biosfera Ría Lagartos, Yucatán; exploramos si cada especie de planta es visitada en proporción a la abundancia de sus flores y si existe una correlación temporal entre la abundancia de ambos grupos. Del recorrido de trayectos registramos cuatro especies de colibríes: Doricha eliza, Amazilia rutila, A. yucatanensis y Archilochus colubris que visitaron seis especies de plantas: Dicliptera sexangularis, Malvaviscus arboreus, Agave angustifolia, Bravaisia berlanderiana, Ernodea littoralis y Cordia sebestena. Las flores de D. sexangularis fueron más visitadas por D. eliza que lo esperado por su abundancia, mientras que M. arboreus y A. angustifolia fueron usadas en una proporción mayor a la esperada por A. rutila. La abundancia de D. eliza y A. rutila se correlacionó con la de flores de D. sexangularis y M. arboreus. Estas plantas podrían ser importantes para los colibríes en una época en la que la disponibilidad de flores es baja en el norte de Yucatán.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Hummingbirds are important pollinators in the Neotropics and are also indicators of vegetation disturbance. In order to preserve them it is necessary to know the floral resources they use. In this study, we recorded the hummingbird species and the flowers they visited during part of the dry season (January-March 2013), in the Ría Lagartos Biosphere Reserve, Yucatán, exploring if any plant is visited in a different frequency than expected by its flowers' number and if there is any correlation between flowers and birds' abundance. We travelled along paths and observed four hummingbird species: Doricha eliza, Amazilia rutila, Amazilia yucatanensis and Archilochus colubris; visiting flowers of six plant species: Dicliptera sexangularis, Malvaviscus arboreus, Agave angustifolia, Bravaisia berlanderiana, Ernodea littoralis and Cordia sebestena. Dicliptera sexangularis's flowers were visited by D. eliza in a higher proportion than expected by their abundance while M. arboreus and A. angustifolia were visited more frequently by A. rutila than expected. Doricha eliza and A. rutila abundance was correlated to the flower abundance of D. sexangularis and M. arboreus. These flower species might be important in supporting hummingbirds during a season in which flower availability is low in northern Yucatán.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[síndrome de ornitofilia]]></kwd>
<kwd lng="es"><![CDATA[Doricha eliza]]></kwd>
<kwd lng="es"><![CDATA[Amazilia rutila]]></kwd>
<kwd lng="es"><![CDATA[Dicliptera sexangularis]]></kwd>
<kwd lng="es"><![CDATA[Malvaviscus aboreus]]></kwd>
<kwd lng="es"><![CDATA[sureste mexicano]]></kwd>
<kwd lng="es"><![CDATA[matorral costero]]></kwd>
<kwd lng="en"><![CDATA[Ornithophilic syndrome]]></kwd>
<kwd lng="en"><![CDATA[Doricha eliza]]></kwd>
<kwd lng="en"><![CDATA[Amazilia rutila]]></kwd>
<kwd lng="en"><![CDATA[Dicliptera sexangularis]]></kwd>
<kwd lng="en"><![CDATA[Malvaviscus aboreus]]></kwd>
<kwd lng="en"><![CDATA[southeastern Mexico]]></kwd>
<kwd lng="en"><![CDATA[coastal scrubland]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<collab>AOU (American Ornithologist's Union)</collab>
<source><![CDATA[Check-list of North and Middle American Birds]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arizmendi]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Berlanga]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Los Colibríes de México y Norteamérica]]></source>
<year>2014</year>
<publisher-loc><![CDATA[México, D.F. ]]></publisher-loc>
<publisher-name><![CDATA[CONABIO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Structure of plant-Hymenoptera networks in two coastal shrub sites in Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Campos-Navarrete]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Parra-Tabla]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramos-Zapata]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Castelazo]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes-Novelo]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Arthropod-Plant Interactions]]></source>
<year>2013</year>
<volume>7</volume>
<page-range>607-17</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cantú]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez de Silva]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[M.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[El Dinero Vuela: El Valor Económico del Ecoturismo de Observación de Aves]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Washington, DC, EUA ]]></publisher-loc>
<publisher-name><![CDATA[Defenders of Wildlife]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chablé-Santos]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Uc]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Pasos-Enríquez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Aves comunes del sur de Yucatán]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Mérida, Yucatán, México ]]></publisher-loc>
<publisher-name><![CDATA[Ediciones de la Universidad Autónoma de Yucatán]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chablé-Santos]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Contribución y distribución de la avifauna de la Reserva estatal el Palmar, Yucatán, Mexico]]></source>
<year>2009</year>
<publisher-loc><![CDATA[Monterrey, Nuevo León, México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma de Nuevo León]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<collab>CNA (Comisión Nacional del Agua)</collab>
<source><![CDATA[Datos meteorológicos (1980-2010)]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<collab>CONANP (Comisión Nacional de Áreas Naturales Protegidas)</collab>
<source><![CDATA[Programa de conservación y manejo de la Reserva de la Biosfera de Ría Lagartos]]></source>
<year>2007</year>
<publisher-loc><![CDATA[México, DF ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Some aspects of the reproductive biology of the Mexican Sheartail (Doricha eliza) in central Veracruz]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz-Valenzuela]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lara-Rodríguez]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz-Pulido]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[González-García]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[A. Ramírez]]></given-names>
</name>
</person-group>
<source><![CDATA[The Condor]]></source>
<year>2011</year>
<volume>113</volume>
<page-range>177-88</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Population densities of birds derived from transect counts]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Emlen]]></surname>
<given-names><![CDATA[J.T.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Auk]]></source>
<year>1971</year>
<volume>88</volume>
<page-range>323-42</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[J.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Espejel]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tipos de vegetación de la Península de Yucatán]]></source>
<year>1995</year>
<publisher-loc><![CDATA[Mérida, Yucatán, México ]]></publisher-loc>
<publisher-name><![CDATA[Ediciones de la Universidad Autónoma de Yucatán]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<source><![CDATA[Diversidad de aves y su potencial como grupo indicador en la Reserva Estatal de Dzilám, Yucatán, México]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Mérida, Yucatán, México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma de Yucatán]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The analysis of residuals in cross-classified tables]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haberman]]></surname>
<given-names><![CDATA[S.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biometrics]]></source>
<year>1973</year>
<volume>29</volume>
<page-range>205-20</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Tropical deforestation alters hummingbird movement patterns]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hadley]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Betts]]></surname>
<given-names><![CDATA[M.G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biology Letters]]></source>
<year>2009</year>
<volume>5</volume>
<page-range>207-10</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Howell]]></surname>
<given-names><![CDATA[S.N.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Webb]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A guide to the birds of Mexico and Northern in Central America]]></source>
<year>1995</year>
<publisher-loc><![CDATA[Oxford, Reino Unido ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="">
<collab>IUCN (International Union for the Conservation of Nature)</collab>
<source><![CDATA[The IUCN Red List of Threatened Species. Version 2015-3]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Redes de interacción colibrí-planta del centro-este de México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lara-Rodríguez]]></surname>
<given-names><![CDATA[N.Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Valenzuela]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-García]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Mauricio-Lopéz]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Anaid-Díaz]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Valle]]></surname>
<given-names><![CDATA[O. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Fisher-de León]]></surname>
<given-names><![CDATA[A.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Lara]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz-Pulido]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Mexicana de Biodiversidad]]></source>
<year>2012</year>
<volume>83</volume>
<page-range>569-77</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leirana-Alcocer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Relación suelo-vegetación en la costa de Yucatán, México]]></source>
<year>2010</year>
<publisher-loc><![CDATA[Alicante, España ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Alicante]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Genetic, ecological and morphological divergence between populations of the endangered Mexican sheartail hummingbird (Doricha eliza)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Licona-Vera]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Ornelas]]></surname>
<given-names><![CDATA[J.F.]]></given-names>
</name>
</person-group>
<source><![CDATA[PlosOne]]></source>
<year>2014</year>
<volume>9</volume>
<page-range>e101870</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Medina van Berkum]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Uso de recursos florales durante el invierno por colibríes en la duna costera de la Reserva de la Biosfera de Ría Lagartos]]></source>
<year>2014</year>
<publisher-loc><![CDATA[Mérida, Yucatán, México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma de Yucatán]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Palomas (Columbidae), pájaros carpinteros (Picidae) y colibríes (Trochilidae) como indicadores de sucesión en la selva baja de Dzilam, Yucatán, México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Navarro-Alberto]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Leirana-Alcocer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Betancourt]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Guerrero-González]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Huitzil]]></source>
<year>2016</year>
<volume>17</volume>
<page-range>1-7</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nobel]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environmental Biology of Agaves and Cacti]]></source>
<year>2003</year>
<publisher-loc><![CDATA[Cambridge, Reino Unido ]]></publisher-loc>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Distribución de colibríes en la zona baja del centro de Veracruz, México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz-Pulido]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Valenzuela]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ornitología Neotropical]]></source>
<year>2001</year>
<volume>12</volume>
<page-range>297-317</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The Mexican sheartail (Doricha eliza): Morphology, behavior, distribution, and endangered status]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz-Pulido]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Towsend]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Robbins]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Valenzuela]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Navarro-Sigüenza]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Escalona-Segura]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Wilson Bulletin]]></source>
<year>2002</year>
<volume>114</volume>
<page-range>153-60</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Phenological patterns of nine perennial plants in an intertropical semi-arid Mexican scrub]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pavón]]></surname>
<given-names><![CDATA[N.P]]></given-names>
</name>
<name>
<surname><![CDATA[Briones]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Arid Environments]]></source>
<year>2001</year>
<volume>49</volume>
<page-range>265-77</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peterson]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[E. Chalif]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mexican birds]]></source>
<year>1989</year>
<publisher-loc><![CDATA[Connecticut, EUA ]]></publisher-loc>
<publisher-name><![CDATA[Peterson field guides]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Proctor]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Yeo]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Lack]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[The natural History of Pollination]]></source>
<year>1996</year>
<publisher-loc><![CDATA[Oxford, Reino Unido ]]></publisher-loc>
<publisher-name><![CDATA[Harper Collins Publisher]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Robinson]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Sargent]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Sargent]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ruby-throated hummingbirds (Archilochus colubris)]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Poole]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gill]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Birds of North America]]></source>
<year>1996</year>
<volume>204</volume>
<page-range>1-16</page-range><publisher-loc><![CDATA[Philadelphia, EUA ]]></publisher-loc>
<publisher-name><![CDATA[The Academy of Natural Sciences and Washington DC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez-Jasso]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cebrián-Abellán]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Turismo de naturaleza en áreas protegidas de México. Una propuesta de conservación, aprovechamiento y desarrollo local en el Nevado de Toluca]]></source>
<year>2015</year>
<page-range>339-65</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Registros de anidación del colibrí tijereta mexicano (Doricha eliza) en el estado de Yucatán, México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santamaría-Rivero]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Mackinnon]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Leyequién]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Huitzil]]></source>
<year>2013</year>
<volume>14</volume>
<page-range>139-45</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Norma Oficial Mexicana nom-059-SEMARNAT-2010, Protección Ambiental. Especies nativas de México de flora y fauna silvestres, Categorías de riesgo y especificaciones para su inclusión, exclusión o cambio lista de especies en riesgo]]></article-title>
<collab>SEMARNAT (Secretaría de Medio Ambiente y Recursos Naturales)</collab>
<source><![CDATA[Diario Oficial de la Federación]]></source>
<year>2010</year>
<publisher-loc><![CDATA[México, DF ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Your chi square test is statistically significant: now what?]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sharpe]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Practical Assessment, Research and evaluation]]></source>
<year>2015</year>
<volume>20</volume>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sibley]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Sibley guide to birds]]></source>
<year>2000</year>
<publisher-loc><![CDATA[Nueva York, EUA ]]></publisher-loc>
<publisher-name><![CDATA[National Audubon Society, Alfred A. Knopf]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Siegel]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Castellan]]></surname>
<given-names><![CDATA[J.N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estadística no paramétrica aplicada a las ciencias de la conducta]]></source>
<year>1995</year>
<publisher-loc><![CDATA[México, DF ]]></publisher-loc>
<publisher-name><![CDATA[Trillas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="book">
<collab>StatPoint Inc.</collab>
<source><![CDATA[STATGRAPHICS Centurion XV, version 15.2.06]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Virginia, USA ]]></publisher-loc>
<publisher-name><![CDATA[Warrenton]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Use of Amazonian forest fragments by understory insectivorous birds]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stouffer]]></surname>
<given-names><![CDATA[P.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bierregaard]]></surname>
<given-names><![CDATA[R.O.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecology]]></source>
<year>1995</year>
<volume>76</volume>
<page-range>2429-45</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[¿Quién poliniza realmente los agaves? Diversidad de visitantes florales en tres especies de Agave (Agavoideae: Asparagaceae)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Trejo-Salazar]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Scheinvar]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Eguiarte]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Mexicana de Biodiversidad]]></source>
<year>2015</year>
<volume>86</volume>
<page-range>358-69</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wackerly]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendenhall]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Scheaffer]]></surname>
<given-names><![CDATA[R.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estadística matemática con aplicaciones]]></source>
<year>2010</year>
<publisher-loc><![CDATA[México, DF, México ]]></publisher-loc>
<publisher-name><![CDATA[Cengage Learning]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
