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Closing of Panama Isthmus and Spinus-Carduelis notata South American evolutive radiation

Image of Black-headed Siskin

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Summary[edit] Description: English: Spinus/Carduelis notata lives today in Meso America. It is the extant ancestor of the South American Siskins. Date: 28 November 2012, 18:03:30. Source: Arnaiz-Villena, A; Areces C, Rey D, Enríquez-de-Salamanca M, Alonso-Rubio J and Ruiz-del-Valle V (2012). "Three Different North American Siskin/Goldfinch Evolutionary Radia-tions (Genus Carduelis): Pine Siskin Green Morphs and European Siskins in America". The Open Ornithology Journal 5: 73-81.doi:10.2174/1874453201205010073. Author: Arnaiz-Villena, A; Areces C, Rey D, Enríquez-de-Salamanca M, Alonso-Rubio J and Ruiz-del-Valle V (2012). "Three Different North American Siskin/Goldfinch Evolutionary Radia-tions (Genus Carduelis): Pine Siskin Green Morphs and European Siskins in America". The Open Ornithology Journal 5: 73-81.doi:10.2174/1874453201205010073.

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Arnaiz-Villena, A; Areces C, Rey D, Enríquez-de-Salamanca M, Alonso-Rubio J and Ruiz-del-Valle V (2012). "Three Different North American Siskin/Goldfinch Evolutionary Radia-tions (Genus Carduelis): Pine Siskin Green Morphs and European Siskins in America". The Open Ornithology Journal 5: 73-81.doi:10.2174/1874453201205010073.
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Arnaiz-Villena, A; Areces C, Rey D, Enríquez-de-Salamanca M, Alonso-Rubio J and Ruiz-del-Valle V (2012). "Three Different North American Siskin/Goldfinch Evolutionary Radia-tions (Genus Carduelis): Pine Siskin Green Morphs and European Siskins in America". The Open Ornithology Journal 5: 73-81.doi:10.2174/1874453201205010073.
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Arnaiz-Villena, A; Areces C, Rey D, Enríquez-de-Salamanca M, Alonso-Rubio J and Ruiz-del-Valle V (2012). "Three Different North American Siskin/Goldfinch Evolutionary Radia-tions (Genus Carduelis): Pine Siskin Green Morphs and European Siskins in America". The Open Ornithology Journal 5: 73-81.doi:10.2174/1874453201205010073.
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