Comparisons between the breeding biology of year-old and older females of the White Wagtail Motacilla alba in Central Finland

Comparisons between the breeding biology of year-old and older females of the White Wagtail Motacilla alba in Central Finland. (1973). Ornis Fennica, 50(3–4), 126–133. https://ornisfennica.journal.fi/article/view/132856