Hybridization as a result of spatial and reproductive interactions between species within the group of ‘yellow’ wagtails (Aves, Motacillidae) in areas of sympatry
Study of the process of genetic hybridization. Analysis of the results of the crossing of closely related species of yellow wagtails. Determination of features, characteristics and systemic features of the light-headed hybrid form M. f. beema x M. lutea.
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