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Meyers sb. Charadriiformes II Charadriiformes II Watvgel II Regenpfeiferartige Rohrdommel Botaurus stellaris Art Rohrdommel Heiliger Ibis Ibis religiosa Art Ibisse Marabu Leptoptilus crumenifer Art Marabu Silberreiher Herodias egretta Art Reiher Meyers Konversationslexikon etechnik uniulm de html Bibliographisches Institut