| 1 | Csaba Pigniczki, Tamás Nagy, János Oláh, Gergő Gábor Nagy, Zsolt Karcza & András Schmidt: Breeding, dispersal, migration and conservation of the Black-winged Stilt (Himantopus himantopus) in Hungary |
| 20 | Jacques Van Impe: The mystery of Anser neglectus Sushkin, 1897. Victim of the Tunguska disaster? A Hungarian story |
| 59 | Sándor Zsebők, Máté Ferenc Nagy-Egri, Gergely Gábor Barnaföldi, Miklós Laczi, Gergely Nagy, Éva Vaskuti & László Zsolt Garamszegi: Automatic bird song and syllable segmentation with an open-source deep-learning object detection method – a case study in the Collared Flycatcher (Ficedula albicollis) |
| 67 | Imed Djemadi, Badis Bakhouche, Khalil Draidi & Zihad Bouslama: Biometric data of North African Blackbird Turdus merula: are there many subspecies? |
| 77 | Farshad Mohamadian, Arya Shafaeipour & Behzad Fathinia: Reproductive performance of the Middle Spotted Woodpecker Dendrocoptes medius around Yasouj city (South Western Iran) |
| 86 | László Bozó: Migration and wintering of Fieldfare (Turdus pilaris) in southeastern Hungary |
| 100 | Attila Bende, Angéla Király & Richárd László: Leucistic Woodcock (Scolopax rusticola L.) occurrences in Hungary from the second half of the 19th century to the present day |
| 115 | László Haraszthy: Cases of occasional interspecific brood parasitism and egg dumping in Hungary |
| 142 | Jenő (Eugen) Kessler: Evolution of Galliformes and their presence in the Carpathian Basin |
| 175 | Tibor Hadarics: New species in the Hungarian avifauna in 2017 |