Leinonen, M. “Comparisons Between the Breeding Biology of Year-Old and Older Females of the White Wagtail Motacilla Alba in Central Finland”. Ornis Fennica 50, no. 3–4 (December 31, 1973): 126–133. Accessed November 23, 2024. https://ornisfennica.journal.fi/article/view/132856.