Photo 1601405, (c) Marion Zöller, some rights reserved (CC BY-NC), uploaded by Marion Zöller

Attribution © Marion Zöller some rights reserved Uploaded by speedy Source iNaturalist Associated observations Photos / Sounds What Ferruginous Duck (Aythya nyroca) Observer speedy Date March 2015 Place Private Date Added March 7, 2015 06:12 PM CET Description Ferruginous Duck on the left side. Aythya fuligula on the right side. 3 IDs Research Grade View Sizes small medium large original