Adult Eurasian Wigeon (Anas penelope) in breeding plumage on Lake Myvatn, Iceland

eurasian wigeon anas penelope duck breeding plumage lake iceland wildlife nature waterfowl migration spring aquatic bird animal behavior colors male serene habitat ornithology birdwatching tranquility swimming reflection feathers natural beauty environment biodiversity ecosystem conservation fresh water scenic outdoor marsh wetland flora fauna springtime colorful diversity avian species migratory patterns native