The spatial and ethological structure of populations and territorial behavior of Sylvia warblers have been studied at the northern periphery of their nesting ranges (southern Karelia). It has been found that under these conditions the warblers form sparse populations, with individual pairs occupying large territories, and their behavior is characterized by minimization of territorial expenditures (relatively brief vocalization and the absence of aggressive interactions).
Russian Journal of Ecology – Springer Journals
Published: May 15, 2012
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