Breeding Biology of Blackheaded Wagtail Motacilla feldegg Michahhelles, 1830 (Passeriformes, Motacillidae, Motacillinae) in South of Russia

Species-specific features of blackheaded wagtail Motacilla feldegg Michahelles, 1830 (Passeriformes, Motacillidae, Motacillinae) breeding biology were identified in south of Russia. A tendency to current species range shift is traced. Critical estimation of literary information about some peculiarities of reproduction and ecology of black-headed wagtail is carrying out on boundary XIX-XXI centuries, estimation of contemporary quantity, limited factories and regularities of species distribution on research territory of European part of Russia are gived. Distribution and quantity M. feldegg are irregular in this region and determine by presence of nesting biotopes and potential forage reserve. General character of distribution of this species estimates as a local and not numerous that gives foundation to include M. feldegg to some region Red Data Books of Russia and neighboring countries.