{"fact":"Rooks have a taste for the finer things in urban life, preferring areas with walnut trees and accessible garbage cans but avoiding small streams and waterways.","context":"The number of rooks was positively linked with the number of walnut trees, garbage cans and the surface of the water and negatively linked with the length of watercourses.","source":"Klaudia Szala; Łukasz Dylewski; Marcin Tobolka, Winter habitat selection of Corvids in an urban ecosystem, 10.1007/s11252-020-00942-2","index":607}