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Ferlini, F. et al. 2021. The White-headed yellow wagtail <em>Motacilla flava leucocephala</em> (Przewalski, 1887): migration, movements, and breeding and wintering ranges. Rivista Italiana di Ornitologia. 91, 1 (Apr. 2021), 3–26. DOI:https://doi.org/10.4081/rio.2021.456.