Ziervogel is a German language surname.[1][2] Notable people with the name include:
German: nickname from Middle High German spilvogel 'pet bird' (literally 'play bird'), used in a transferred sense as an affectionate term for a lover. Jewish (Ashkenazic): ornamental name from German Spielvogel 'pet bird' (see 1 above).
"Ornamental Bird" in German. From an inn or house sign