Ornis Fennica 2021:2

Ornis Fennica 2/2021 contains the following articles: Fabio Balotari-Chiebao, Jari Valkama & Patrik Byholm, Assessing the vulnerability of breeding bird populations to onshore wind-energy developments in Finland; Michal Baláž, Lucia Hrčková, Filip Tulis & Mária Balážová, Breeding performance of the White-throated Dipper (Cinclus cinclus) under different temperature conditions; Alfréd Trnka, Offspring sex ratio and partially asynchronous hatching in the Little Bittern (Ixobrychus minutus) population in south-western Slovakia; Anna Bazhaanova, Tatiana Sviridova & Dmitri Karelin, Feeding conditions in breeding areas and selection of lekking sites by Great Snipe (Gallinago media) in Moscow Region, Russia.