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1. Type genus of the Danaidae: monarch butterflies
   - genus Danaus

1. The 2nd longest European river (after the Volga); flows from southwestern Germany to the Black Sea
   "Vienna, Budapest, and Belgrade are on the banks of the Danau"
   - Danube, Danube River

Type of: arthropod genus, river

Part of: Austria, Bulgaria, Czechoslovakia, Danaidae, Deutschland, family Danaidae, Federal Republic of Germany, Federal Republic of Yugoslavia, FRG, Germany, Hungary, Jugoslavija, Magyarorszag, Oesterreich, Republic of Austria, Republic of Bulgaria, Republic of Hungary, Romania, Roumania, Rumania, Serbia and Montenegro, Ukraine, Ukrayina, Union of Serbia and Montenegro, Yugoslavia

Encyclopedia: Danau