Paclík M.: Editorial PDF 31 kB, p. 1
Pykal J., Mikuláš I., Vlček J. & Volf O.: Distribution and estimated abundance of the Corncrake (Crex crex) in the Czech Republic in 2020 and long-term
trends of abundance in selected areas PDF 2.7 MB, pp. 3–19
Urban P., Baláž M., Hrúz V. & Krištín A.: Abundance of wintering waterbirds on the Hron River (Slovakia) in 2007–2020 PDF 2.7 MB, pp. 21–38
Andreska J., Obuch J. & Kurka P.: Diet of the Eurasian Eagle-Owl (Bubo bubo) in the Česká Lípa region (northern Bohemia, Czech Republic) in three periods during 1939–2018 PDF 150 kB, pp. 39–51
Molitor P.: Abundance and breeding habitats of the Ortolan Bunting (Emberiza hortulana) in the farmland of Czech Silesia PDF 3.5 MB, pp. 53–68
Adamík P., Beran V. & Paclík M.: How to overcome obstacles to getting own home – nesting of a Common Starling (Sturnus vulgaris) in a ventilation duct secured with a grille PDF 1.8 MB, pp. 69–73
Körner J.: Nesting of the Citrine Wagtail (Motacilla citreola) near Šumperk (NE Czech Republic) PDF 2.7 MB, pp. 75–79
Otáhal I.: Cannibalism in subadult Common Buzzards (Buteo buteo) PDF 66 kB, pp. 81–83
Corrigendum Vavřík M. & FK ČSO 2018: Sylvia 54: 69–83 PDF 32 kB, p. 84
Vavřík M., Šírek J. & FK ČSO: Rare birds in the Czech Republic in 2020 PDF 4.2 MB, pp. 85–106
Book reviews PDF 149 kB, pp. 107–118

Full issue (16.2 MB).