{"fact":"City crows show a surprising social side, with hooded crows, rooks, jackdaws, and magpies frequently found together, suggesting potential benefits from shared resources or reduced predation risk.","context":"We also found a positive correlation between the abundances of hooded crow, rook, jackdaw and magpie.","source":"Klaudia Szala; Łukasz Dylewski; Marcin Tobolka, Winter habitat selection of Corvids in an urban ecosystem, 10.1007/s11252-020-00942-2","index":611}