Ornis Fennica 2019:1

Among others, Ornis Fennica 1/2019 contains the following articles: Richard Ševčík, Jan Riegert, Jiří Šindelář & Markéta Zárybnická, Vocal activity of the Central European Boreal Owl population in relation to varying environmental conditions; Annika Konovalov, Rein Nellis, Renno Nellis, Ain Nurmla, Urmas Sellis & Ülo Väli, Solitude at periphery: lack of partners limits reproduction of the Black Stork (Ciconia nigra) at the margin of the distribution range; Michal Polakowski, Lukasz Jankowiak, Krzysztof Stepniewski, Katarzyna Stepniewska, Helmut Kruckenberg, Barwolt S. Ebbinge, Monika Broniszewska & Anna Cichocka, Timing and duration of spring staging of the Eurasian Greater White-fronted Goose (Anser albifrons albifrons) in relation to sex, age and progress of migration season; Antonio Vilches, Rafael Miranda & Juan Arizaga, Does the Common Kingfisher (Alcedo atthis) select the most energetic fish prey?