<?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>S1870-74592023000100202</article-id>
<article-id pub-id-type="doi">10.28947/hrmo.2023.24.1.673</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aberración pigmentaria en un papamoscas negro (Sayornis nigricans) en El Salvador]]></article-title>
<article-title xml:lang="en"><![CDATA[Pigmentary aberration in a Black Phoebe (Sayornis nigricans) in El Salvador]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilera-Ortega]]></surname>
<given-names><![CDATA[Julio Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Madrid-López]]></surname>
<given-names><![CDATA[Walter Alexis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,aff1  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>El Salvador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Nacional de Tecnología Agropecuaria y Forestal  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>El Salvador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-74592023000100202&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-74592023000100202&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-74592023000100202&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. La mayoría de los casos de aberraciones pigmentarias para la familia Tyrannidae se han descritos en Norteamérica, con escaso registros para Sudamérica y ningún registro formal para Centroamérica. Registramos por primera vez para El Salvador y Centroamérica un caso de leucismo parcial en el papamoscas negro (Sayornis nigricans). El día 8 de enero de 2022, por las 11:00 h, observamos a un ejemplar adulto de S. nigricans perchado en una piedra sobre la corriente del río Shutia, en el cantón Las Flores a 718 m s.n.m., en el municipio de Tepecoyo, La Libertad. Notamos que este individuo tenía una coloración anormal entre la región loreal y subocular, presentando manchas blancas en forma de lunares. Las manchas blancas presentaban simetría bilateral y se encontraban en la cabeza, alejado de la columna vertebral, por lo que sugerimos que se trata de un leucismo parcial. Consideramos fundamental documentar estas observaciones incidentales de anomalías pigmentarias en las aves silvestres ya que aportan datos importantes sobre las características ecológicas y ambientales que podrían explicar la prevalencia de estas anomalías en la coloración de las aves.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. Most cases of pigmentary aberrations for the family Tyrannidae have been described in North America, with few records for South America and no formal records for Central America. We record for the first time for El Salvador and Central America a case of partial leucism in the Black Phoebe (Sayornis nigricans). On 8 January 2022, around 11:00 h, we observed an adult specimen of S. nigricans perched on a stone within the current of the Shutia River, in Las Flores at 718 m a.s.l., in the municipality of Tepecoyo, La Libertad. We noticed that this individual had an abnormal coloration between the loreal and subocular region, presenting white spots in the form of moles. The white spots had bilateral symmetry and were located on the head, away from the spine, so we suggest that this is partial leucism. We consider it essential to document these incidental observations of pigmentary anomalies in wild birds, as they provide important data on the ecological and environmental characteristics that could explain the prevalence of these anomalies in bird coloration.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Plumaje]]></kwd>
<kwd lng="es"><![CDATA[leucismo parcial]]></kwd>
<kwd lng="es"><![CDATA[amelanismo parcial]]></kwd>
<kwd lng="es"><![CDATA[Tyrannidae]]></kwd>
<kwd lng="en"><![CDATA[Plumage]]></kwd>
<kwd lng="en"><![CDATA[partial leucism]]></kwd>
<kwd lng="en"><![CDATA[partial melanism]]></kwd>
<kwd lng="en"><![CDATA[Tyrannidae]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ayala-Pérez]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Arce]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Carmona]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Registro de aves con leucismo en Baja California Sur, México]]></article-title>
<source><![CDATA[Acta Zoológica Mexicana]]></source>
<year>2015</year>
<volume>31</volume>
<page-range>309-12</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barrera-Tolentino]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<given-names><![CDATA[Julián]]></given-names>
</name>
</person-group>
<source><![CDATA[Tepecoyo en el cerro (1532-2013). Breve historia del Municipio de Tepecoyo, La Libertad]]></source>
<year>2015</year>
<edition>1a</edition>
<publisher-loc><![CDATA[El Salvador ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bensch]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Hansson]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Hasselquist]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Nielsen]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Partial albinism in a semi-isolated population of Great Reed Warblers]]></article-title>
<source><![CDATA[Hereditas]]></source>
<year>2000</year>
<volume>133</volume>
<page-range>167-70</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Berger]]></surname>
<given-names><![CDATA[A.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Two albinistic Alder Flycatchers at Ann Arbor, Michigan]]></article-title>
<source><![CDATA[Auk]]></source>
<year>1956</year>
<volume>73</volume>
<page-range>137-8</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cadena-Ortiz]]></surname>
<given-names><![CDATA[H.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Bahamonde-Vinueza]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Cisneros-Heredia]]></surname>
<given-names><![CDATA[D.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Buitrón-Jurado]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Alteraciones de coloración en el plumaje de aves silvestres del Ecuador]]></article-title>
<source><![CDATA[ACI Avances en Ciencias e Ingenierías]]></source>
<year>2015</year>
<volume>7</volume>
<page-range>B75-90</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camacho]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Sáez-Gómez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Hidalgo-Rodríguez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Rabadán-González]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Molina]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Negro]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Leucistic plumage as a result of progressive greying in a cryptic nocturnal bird]]></article-title>
<source><![CDATA[Scientific Reports]]></source>
<year>2022</year>
<volume>12</volume>
<page-range>3411</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<collab>COEM</collab>
<source><![CDATA[Plan de mitigación y uso de tierras en Tepecoyo]]></source>
<year>2003</year>
<edition>1a</edition>
<publisher-loc><![CDATA[Tepecoyo, El Salvador ]]></publisher-loc>
<publisher-name><![CDATA[Grupo de Recursos Internacionales-USAID]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Color abnormalities in birds]]></article-title>
<source><![CDATA[Birding]]></source>
<year>2007</year>
<volume>39</volume>
<page-range>36-46</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Deane]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Albinism and melanism among North American birds]]></article-title>
<source><![CDATA[Quarterly Bulletin of the Nuttall Ornithological Club]]></source>
<year>1876</year>
<volume>1</volume>
<page-range>20-4</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Deane]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Additional cases of albinism and melanism in North American birds]]></article-title>
<source><![CDATA[Bulletin of the Nuttall Ornithological Club]]></source>
<year>1879</year>
<volume>4</volume>
<page-range>27-30</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Espinal]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[O&#8217;Reilly]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Solís]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[leucismo y reproducción en el cormorán neotropical (Phalacrocorax brasilianus) en el Golfo de Fonseca, Honduras]]></article-title>
<source><![CDATA[Ceiba]]></source>
<year>2015</year>
<volume>52</volume>
<page-range>206-8</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gross]]></surname>
<given-names><![CDATA[A.O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The incidence of albinism in North American birds]]></article-title>
<source><![CDATA[Bird-Banding]]></source>
<year>1965</year>
<volume>36</volume>
<page-range>67-71</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guay]]></surname>
<given-names><![CDATA[P.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Potvin]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Robinson]]></surname>
<given-names><![CDATA[R.W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aberrations in plumage coloration in birds]]></article-title>
<source><![CDATA[Australian Field Ornithology]]></source>
<year>2012</year>
<volume>29</volume>
<page-range>23-30</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Herrera]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aberración de color en cormorán neotropical (Phalacrocorax brasilianus Gmelin, 1789) en El Salvador]]></article-title>
<source><![CDATA[Zeledonia]]></source>
<year>2017</year>
<volume>21</volume>
<page-range>39-47</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.]]></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 Central America]]></source>
<year>1995</year>
<publisher-loc><![CDATA[New York, USA ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ibarra]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aves de El Salvador: estado actual del conocimiento e iniciativas de conservación]]></article-title>
<source><![CDATA[Bioma]]></source>
<year>2013</year>
<page-range>12-89</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jiménez-Gamboa]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas-Masís]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ocurrencia de aberraciones cromáticas en las aves silvestres de Costa Rica]]></source>
<year>2014</year>
<conf-name><![CDATA[ IVCongreso Nacional de Ornitología]]></conf-name>
<conf-loc>San José, Costa Rica </conf-loc>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lingon]]></surname>
<given-names><![CDATA[J.D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Albinism in the Scissor-tailed Flycatcher]]></article-title>
<source><![CDATA[Wilson Bulletin]]></source>
<year>1964</year>
<volume>76</volume>
<page-range>98</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mahabal]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Van-Grouw]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Sharma]]></surname>
<given-names><![CDATA[R.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Thakur]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[How common is albinism really? Colour aberrations in Indian birds reviewed]]></article-title>
<source><![CDATA[Dutch Birding]]></source>
<year>2016</year>
<volume>38</volume>
<page-range>301-9</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Campos-Loría]]></surname>
<given-names><![CDATA[M.N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Progressive greying in the Groove-Billed Ani (Crotophaga sulcirostris) in Costa Rica]]></article-title>
<source><![CDATA[Huitzil Revista Mexicana de Ornitología]]></source>
<year>2020</year>
<volume>21</volume>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[L.I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Leucismo parcial del yigüirro (Turdus grayi) en la Estación Biológica La Selva, Costa Rica]]></article-title>
<source><![CDATA[Huitzil Revista Mexicana de Ornitología]]></source>
<year>2018</year>
<volume>20</volume>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Palacios-Vázquez]]></surname>
<given-names><![CDATA[A.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Primer registro de leucismo total en el tirano tijereta rosado (Tyrannus forficatus) en México]]></article-title>
<source><![CDATA[Huitzil Revista Mexicana de Ornitología]]></source>
<year>2016</year>
<volume>17</volume>
<page-range>229-33</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pineda]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Primer registro de aberración pigmentaria Ino en el pijije ala blanca (Dendrocygna autumnalis) en El Salvador]]></article-title>
<source><![CDATA[Zeledonia]]></source>
<year>2021</year>
<volume>25</volume>
<page-range>147-52</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Presti]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Primer registro documentado de aberraciones cromáticas en Elaenia albiceps chilensis (Passeriformes: Tyrannidae)]]></article-title>
<source><![CDATA[Acta Zoológica Lilloana]]></source>
<year>2013</year>
<volume>57</volume>
<page-range>132-7</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez-Casanova]]></surname>
<given-names><![CDATA[A.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Silva]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zuria]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Leucismo parcial en el papamoscas negro (Sayornis nigricans): primer registro para México]]></article-title>
<source><![CDATA[Huitzil Revista Mexicana de Ornitología]]></source>
<year>2018</year>
<volume>20</volume>
<page-range>1-5</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez-Ruíz]]></surname>
<given-names><![CDATA[E.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Poot-Poot]]></surname>
<given-names><![CDATA[W.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruíz-Salazar]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Treviño-Carreón]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nuevos registros de aves con anormalidad pigmentaria en México y propuesta de clave dicotómica para la identificación de casos]]></article-title>
<source><![CDATA[Huitzil Revista Mexicana de Ornitología]]></source>
<year>2017</year>
<volume>18</volume>
<page-range>57-70</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ross]]></surname>
<given-names><![CDATA[C.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Albinism among North American birds]]></article-title>
<source><![CDATA[Cassinia]]></source>
<year>1963</year>
<volume>47</volume>
<page-range>2-21</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sage]]></surname>
<given-names><![CDATA[B.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Albinism and Melanism in Birds]]></article-title>
<source><![CDATA[British Birds]]></source>
<year>1962</year>
<volume>55</volume>
<page-range>201-25</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sibley]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[National Audubon Society the Sibley guide to birds]]></source>
<year>2000</year>
<publisher-loc><![CDATA[New York, United States ]]></publisher-loc>
<publisher-name><![CDATA[Alfred A. Knopf, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tinajero]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Chapa-Vargas]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Albores]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aberraciones cromáticas en aves de México: una revisión y registros recientes en el estado de San Luis Potosí]]></article-title>
<source><![CDATA[Ornitología Neotropical]]></source>
<year>2018</year>
<volume>29</volume>
<page-range>179-85</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Franke]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reporte de albinismo en Podiceps major, Pelecanus thagus y Cinclodes fuscus y revisión de aves silvestres albinas del Perú]]></article-title>
<source><![CDATA[Revista Peruana de Biología]]></source>
<year>2008</year>
<volume>15</volume>
<page-range>105-8</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[van Grouw]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Not every white bird is an albino: sense and nonsense about colour aberrations in birds]]></article-title>
<source><![CDATA[Dutch Birding]]></source>
<year>2006</year>
<volume>28</volume>
<page-range>79-89</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[van Grouw]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[What colour is that bird? The causes and recognition of common colour aberration in birds]]></article-title>
<source><![CDATA[British Birds]]></source>
<year>2013</year>
<volume>106</volume>
<page-range>17-29</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[van Grouw]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[What&#8217;s in a name? Nomenclature for colour aberrations in birds reviewed]]></article-title>
<source><![CDATA[Bulletin of the British Ornithologists&#8217; Club]]></source>
<year>2021</year>
<volume>141</volume>
<page-range>276-99</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vargas-Masís]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Arguedas-Rodríguez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[First record of leucism in Brown Pelicans (Pelecanus occidentalis) in Costa Rica]]></article-title>
<source><![CDATA[Revista de Ciencias Marinas y Costeras]]></source>
<year>2014</year>
<volume>6</volume>
<page-range>149-54</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Verea]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A case of partial leucism in the BlueBlack Grassquit (Volatinia jacarina) from Venezuela]]></article-title>
<source><![CDATA[Huitzil Revista Mexicana de Ornitología]]></source>
<year>2020</year>
<volume>21</volume>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villegas]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Partial leucism in the Variable Seedeater (Sporophila corvina) in Costa Rica]]></article-title>
<source><![CDATA[Huitzil Revista Mexicana de Ornitología]]></source>
<year>2021</year>
<volume>22</volume>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zilio]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[First record of leucism in the Forktailed Flycatcher (Tyrannus savana)]]></article-title>
<source><![CDATA[Atualidades Ornitológicas]]></source>
<year>2013</year>
<volume>174</volume>
<page-range>24</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
