Nowakowski, J. K., Szulc, J., & Remisiewicz, M. (2014). The further the flight, the longer the wing: relationship between wing length and migratory distance in Old World reed and bush Warblers (Acrocephalidae and Locustellidae). Ornis Fennica, 91(3), 178–186. https://doi.org/10.51812/of.133854