Payevsky, Vladimir A., и Anatoly P. Shapoval. «Seasonal Migrations of the Yellow Wagtail Motacilla Flava (Aves, Passeriformes) According to Results of the Trapping and Ringing Data for Sixty-Four Years in the Eastern Baltic». Acta Biologica Sibirica 90 (сентябрь 3, 2023): 509–519. просмотрено июль 17, 2024. http://journal.asu.ru/biol/article/view/13473.