Brezghunova , O.O. and Sinna, O.I. 2024. The Breeding Population of the Rook, Corvus frugilegus (Aves, Corvidae) in Kharkiv, Ukraine: Nearly 22-times Decline in Numbers Over an 80-year Period. Zoodiversity. 58, 1 (Jan. 2024). DOI:https://doi.org/10.15407/zoo2024.01.059.