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Systematic classification and distribution
Class: Birds
Order: Anderiformi
Family: Anatidi
Kind: Mergus
Species: M. serrator L.
Its nesting habitat is lakes and freshwater rivers throughout northern North America, Greenland, Europe and Asia. Migration runs from mid-August to mid-December and from March to April; the breeding area is in Northern Europe and the wintering area further south, in the Mediterranean coasts, including Italy. It also breeds in Italy.
Goosander male - Mergus serrator L. (photo www.oiseaux.net/)
Mergansers, female and male - Mergus serrator L. (photo www.oiseaux.net/)
Goosander pair - Mergus serrator L.
Distinctive characters
Length: 52 - 58 cm
Wingspan 67 - 82 cm
Weight: grams
It has a pointed crest and a long, thin red beak with serrated edges. Adult males have dark heads with green reflections, a white neck with a rusty chest, a black back and white lower regions. Adult females have a rusty head and a grayish body. The young are like the female, but they have no white collar and have a smaller spot on the wings.
The call of the female is a free-range prrak prrak, while that of the male is a slender series of sobs and sneezes.
It can be confused with Goosander, especially the females among them.
Biology
It is a gregarious species during the winter. It frequents deep waters where it looks for food by diving. By frequenting open areas it is easily observable when it is laid and also when it is in flight. This is tense, fast and without sudden changes of direction and often near the water. Like the other plunging ducks, it performs the fly after a run-up on the water. It can also be temporarily associated with other species, such as grebes, which share a similar habitat.
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