Diferencia entre revisiones de «Carduelis»

* [https://web.archive.org/web/20141031073942/http://benthamopen.com/tooenij/articles/V005/73TOOENIJ.pdf Antonio Arnaiz-Villena,Cristina Areces, Diego Rey, Mercedes Enríquez-de-Salamanca, Javier Alonso-Rubio and Valentín Ruiz-del-Valle(2012). “Three Different North American Siskin/Goldfinch Evolutionary Radiations (Genus Carduelis) Pine Siskin Green Morphs and European Siskinsin America”(PDF) The Open Ornithology Journal 5, 73-81]

* [https://www.seo.org/ave/jilguero/ SEO Birdlife - Sociedad Española de Ornitología - Ficha del Carduelis o Jilguero.]

 

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