Perisoreus Bonaparte, 1831 sec. Corvids of the World

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Distribution
Asia-Temperate China (China North-Central nativeA, Manchuria nativeA, Qinghai (Qinghai nativeA), Tibet (Tibet nativeA)); Mongolia (Mongolia (Mongolia nativeA)); Russian Far East nativeA; Siberia nativeA, Europe Eastern Europe (Central European Russia (Central European Russia nativeA), East European Russia (East European Russia nativeA), North European Russia (North European Russia nativeA), Northwest European Russia (Northwest European Russia nativeA), South European Russia (South European Russia nativeA)); Northern Europe (Denmark (Denmark nativeA), Finland (Finland nativeA), Norway (Norway nativeA), Sweden (Sweden nativeA)), Northern America Eastern Canada (Ontario (Ontario nativeA), Québec (Québec nativeA)); North-Central U.S.A. nativeA; Northeastern U.S.A. nativeA; South-Central U.S.A. nativeA; Southwestern U.S.A. (Arizona (Arizona nativeA), Utah (Utah nativeA)); Subarctic America (Alaska (Alaska nativeA)); Western Canada nativeA