Ducks, Geese, Swans

The Barrow's Goldeneye's crescent compared to the Common Goldeneye's roundish facial spot.<br />
Barrow's goldeneye: Bucephala islandica, common goldeneye: Bucephala clangula, Rideau River

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The Barrow's Goldeneye's crescent compared to the Common Goldeneye's roundish facial spot.
Barrow's goldeneye: Bucephala islandica, common goldeneye: Bucephala clangula, Rideau River

Anatinae Anseriformes Aves Barrow's goldeneye Bucephala islandica Birds Birds of North America Ducks Geese Waterfowl Anatidae Locations Ontario Ottawa Rideau River common goldeneye Bucephala clangula