Пономаренко, О. Л., and Р. А. Онуфріїв. “Analysis of Functional Composition of Avifauna of ‘Dniprovsko-Orilsky’ Nature Reserve”. The Journal of V.N.Karazin Kharkiv National University. Series «Biology» 250 (1): 200-205. Accessed May 4, 2024. https://periodicals.karazin.ua/biology/article/view/5673.