Reevaluation of the taxonomic positions of members of the Epinecrophylla fieldsaai y sus vecinos geograficos, baseada en vocalizaciones
The northwestern populations in the dead-leaf-foraging Epinecrophylla haematonota complex of thamnophilid antwrens includes E. pyrrhonola, E. fjeldsaai, and E. haematonota. Their taxonomic position has been the subject of recent debate. Divergence in homologous vocalizations provides a principal mea...
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Veröffentlicht in: | The Wilson journal of ornithology 2018-12, Vol.130 (4), p.908 |
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Sprache: | eng |
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Zusammenfassung: | The northwestern populations in the dead-leaf-foraging Epinecrophylla haematonota complex of thamnophilid antwrens includes E. pyrrhonola, E. fjeldsaai, and E. haematonota. Their taxonomic position has been the subject of recent debate. Divergence in homologous vocalizations provides a principal measure of reproductive isolation and species status for thamnophilid antbirds under the biological species concept, but until recently their evaluation as species has been hampered by the paucity of recordings of E. fjeldsaai. That insufficiency has been remedied, enabling an analytic comparison of vocalizations of the 3 taxa. The results of this analysis led to the recommendation that the 3 taxa be ranked as subspecies of Epinecrophylla haematonota. Received 21 June 2017. Accepted 5 April 2018. |
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ISSN: | 1559-4491 1938-5447 |