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Mourning Swan or Black Swan (in german Schwarzer Schwan or Trauerschwan) Cygnus atratus Stock Photo | Adobe Stock
Germany, Vogelwelt am May-Eyth-See, Schwarzer Schwan, 7572… | Flickr
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Black swan
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Schwarzer Schwan Cygnus atratus an der Isar in München-Thalkirchen / Black swan Cygnus atratus on..., Stock Photo, Picture And Rights Managed Image. Pic. ZON-61801 | agefotostock