Article
Multilocus phylogeography of a holarctic duck: colonization of north america from eurasia by gadwall (Anas strepera).
Evolution; international journal of organic evolution - 1 Jun 2008
Peters Jeffrey L, Zhuravlev Yuri N, Fefelov Igor, Humphries Elizabeth M, Omland Kevin E
Abstract excerpt
More than 100 species of birds have Holarctic distributions extending across Eurasia and North America, and many of them likely achieved these distributions by recently colonizing one continent from the other. Mitochondrial DNA (mtDNA) and five nuclear introns were sequenced to test the direction and timing of colonization for a Holarctic duck, the gadwall (Anas strepera). Three lines of evidence suggest gadwalls...
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