Vol. 30 (2020)

Volume 30 is the first whole-year online volume of Ornis Svecica with continuous publishing of open access contributions. The cover (available under the Creative Commons Attribution 4.0 International License) features  Dalmatian Pelicans Pelecanus crispus and Great Cormorants Phalacrocorax carbo interacting at Lake Kerkini in Greece, an interspecific association that Källander (2020) explores in this volume. The photo is taken by Daniel Trim ©.