Ornis Fennica 2021:3

Ornis Fennica 3/2021 contains the following articles: Geir A. Sonerud, Nest box reuse in a migrating bird is independent of nest content; Dobromir D. Dobrev & Georgi S. Popgeorgiev, Habitat preferences of the Eurasian Griffon Vulture (Gyps fulvus) in Bulgaria to support species management; Zbigniew Kasprzykowski, Mirosław Rzȩpała & Artur Golawski, The effect of local weather conditions and nest box location on the reproduction of the Common Kestrel (Falco tinnunculus) in the farmland of eastern Poland.