a long-tailed duck clangula hyemalis swimming and foraging in front of seaweed covered rocks of the harbour in hundested denmark

longtailed duck clangula hyemalis swimming and foraging front seaweed covered rocks harbour hundested denmark animal aves avian beak bird birds blue boat breeding color colourful diving ducks environment europe european feather kattegat lake male mallard natural nature outdoor plumage pond reflection sea swim water waterfowl weeds wett white wild wildlife wing