Abstract
<p class="1Body">Blood samples of so-called “yellow” wagtails collected in geographical areas of Middle Volga breeding populations of these species were studied. After mtDNA isolation barcoding of studied species of "yellow" wagtails was performed. Site of gene cytochromec-oxidase I was amplified. This gene was used as a genetic marker for the comparison of obtained samples. After sequencing and sequence alignment of gene cytochrome c-oxidase I, based on the comparison of genetic distances between specimens of the studied species using Jalview software, phylogenetic trees of populations of species <em>Motacilla flava</em> L. and <em>Motacilla citreola</em> Pall. were constructed.</p>
Highlights
Among themost taxonomically controversial groups of passerinebirds polytypical complex Motacilla flava in sensu lato (Gladkov, 1954; Portenko, 1960; Stepanyan, 1990; Sotnikov, 2006; Artemieva & Muraviev, 2012b) take saspecial place
Morphometry was carried out according to the standard procedures, the basic features of male and female plumage of yellow wagtail M. flava and citrine wagtail M. citreola were revealed, pairwise correlation analysis of plumage features and morphometry was performed
During phylogeographic analysis of nucleotide sequences of mitochondrial genes in the Middle Volga populations of traditionally recognized species M. flava and M. citreola the lines common in the European part of Russia and neighboring countries which respectively meet subspecies M. f. flava and M. f. thunbergi were revealed; the third line is related to presence of the hybrid specimens in the studied populations
Summary
Among themost taxonomically controversial groups of passerinebirds polytypical complex Motacilla flava in sensu lato (Gladkov, 1954; Portenko, 1960; Stepanyan, 1990; Sotnikov, 2006; Artemieva & Muraviev, 2012b) take saspecial place. An extremely complex individual and geographical variability is in herent to the forms of this group (Zarudny, 1891; Beregovoy, 1970; Bakhtadze, 1987; Grichik, 1992; Babenko, 1981; Red’kin, 2001а, 2001b; Muraviev, Artemieva, Beme, 2014; Cramp, 1988; Artemieva, Muraviev, & Beme, 2013). In addition to the environmental and etological factors of reproductive isolation of sympatric bird sspecies molecular-genetic features of species can play an insulating role too.To identify the real kinship within the taxa an integrated approach that combines assessment of the variability of phenotypic and genotypic features of specific forms including molecular-genetic attributes is required (Artemieva & Muraviev, 2012а; Pavlova et al, 2003; Vili et al, 2009)
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