Bojarinova, J., Babushkina, O., Shokhrin, V., & Valchuk, O. (2016). Autumn migration of the Long-tailed Tit (Aegithalos c. caudatus) at the opposite sides of the Eurasian continent. Ornis Fennica, 93(4), 235–245. https://doi.org/10.51812/of.133904