So similar and yet so different: taxonomic status of Pallid Swift Apus pallidus and Common Swift Apus apus
Capsule: Common Swift Apus apus and Pallid Swift Apus Pallidus are morphologically very similar but are genetically distinct and diverged 1.9–2.1 million years ago (mya). Aims: To examine genetic differentiation and to estimate separation time between Common and Pallid Swifts. Methods: Estimation of...
Main Authors: | , , , , , , |
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Format: | Dataset |
Language: | unknown |
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Taylor & Francis
2017
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Subjects: | |
Online Access: | https://dx.doi.org/10.6084/m9.figshare.5354122.v2 https://tandf.figshare.com/articles/dataset/So_similar_and_yet_so_different_taxonomic_status_of_Pallid_Swift_i_Apus_pallidus_i_and_Common_Swift_i_Apus_apus_i_/5354122/2 |
Summary: | Capsule: Common Swift Apus apus and Pallid Swift Apus Pallidus are morphologically very similar but are genetically distinct and diverged 1.9–2.1 million years ago (mya). Aims: To examine genetic differentiation and to estimate separation time between Common and Pallid Swifts. Methods: Estimation of differences in three different mitochondrial DNA markers ( COI , ND2 and control region), and a fourth marker, the cytb , that did not differ between taxa. Fossils were used to calibrate the estimate of separation date between the two taxa. Results: The genetic between-species distances were 0.010, 0.006 and 0.033 for the three markers, respectively. These values were from three to ten times higher than within-species distances. Results show that the separation dates back to 1.9–2.1 mya, at the Plio-Pleistocene transition, when global climate underwent a period of significant cooling and Northern latitudes were probably more favourable to the Common than to the Pallid Swift. Conclusion: Differences in breeding biology, migration, moult and vocalizations between the two species are mirrored by a clear genetic separation. |
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