BLACK REDSTART (PHOENICURUS OCHRUROS) IN SAMARA OBLAST: RESETTLEMENT, PHENOLOGY, NUMBER
The long­term observations over the redstart­nigella (Phoenicurus ochruros) in Samara region are summarized. The data of trip accounting and seasonal phenomenon in the life of this species were analyzed. А resettlement scheme of the redstart­nigella at the territory of Samara region is presented.