“The Fieldfare (Turdus pilaris L.) communal roosts in the Kharkiv Region (Ukraine)” (2016) The Journal of V.N.Karazin Kharkiv National University. Series «Biology», 25, pp. 156–162. Available at: https://periodicals.karazin.ua/biology/article/view/5573 (Accessed: 25 October 2026).