Spatio-temporal structure of the breeding settlements of yellow-browed warbler in the western slopes of the Barguzinsky range

Yellow-browed Warbler Phylloscopus inornatus in the central part of the western slopes of the Barguzinsky Range form spatial grouping of breeding populations. In the territory of the Barguzinsky State Nature Biosphere reserve a long-term monitoring of warblers population of this species is carried out at the constant key site. In June-July 2012-2013 in the mentioned above territory the Yellow-browed Warbler breeding settlements were studied in the river valleys of the Davsha and Pravy Tarkulik. The search of nests, ethological observations and analysis of habitat were conducted. The new data on the structure of the settlement habitat, breeding biology and behavior of this species are discussed.