Photo 3028339, (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 Tufted Duck (Aythya fuligula) Observer speedy Date February 17, 2016 Place Zülpicher See (Google, OSM) Date Added February 17, 2016 07:07 PM CET 4 IDs Research Grade View Sizes small medium large original