The Common Goldeneye (Bucephala clangula) is an average-size stocky diving duck. It has a short beak and a bulky black head with bottle green shimmers. It displays a white spot on the cheek from its eye to the yellow iris. Its back and the back of its body are black whereas its neck, chest, flanks, and underparts are white. Its scapular feathers have white stripes. The female has a chocolate brown head, a whitish collar and chest, a white mark on the wing, a yellowish beak with a black extremity, and the rest of its body is grey.
From late March to June, the common goldeneye nests. Nests are located in tree holes and often from old black woodpeckers' nests. The common goldeneye will use it year after year and cover it with down. The female of this species lays 6 to 11 greenish blue eggs that will be sat on only by the female for 27 to 32 days. The common goldeneye ducklings are precocial.
The common goldeneye lives on lakes, brackish or salted water courses of coastal borders, estuaries or see arms. It can be found almost everywhere in Québec, more importantly in the boreal forest of Québec. It can be seen along the St-Lawrence river, especially during the wintering. This duck is an excellent diver and has a carnivorous tendency. In fact, it mostly eats molluscs, small crustaceans, insects, larvae, worms, and small fish. However, it also likes seaweeds, buds, shoots, and aquatic plant seeds. X