
Common Merganser
Image: Ciara McKim (cc-by-nc)
NameCommon Merganser
Common NameCommon Merganser
Scientific NameMergus merganser
FamilyAnatidae
Wingspan (cm)83
Length (cm)65
Weight (g)1500
Plumage DetailsAdult males have an iridescent dark green head, a white breast and flanks often with a salmon-pink wash, and a black back. Females have a rusty-brown crested head, a distinct white chin patch, and a grey body with white underparts.
Vocalization / CallGenerally quiet, but can produce soft croaks, grunts, and a low 'karr-karr' call, especially during courtship displays.
Primary Dietpiscivore
Primary Habitatslakes, rivers, ponds, coastal waters
Conservation Statusleast-concern
Geographic RangeWidespread across the Northern Hemisphere, breeding in northern North America, Europe, and Asia, and wintering further south in temperate regions.
Identifying Featureslong, slender red bill with serrated edges, male: dark green head, white body, black back, female: rusty-brown crested head, grey body, white chin patch, diving behavior
Description
The Common Merganser is a large diving duck found on freshwater lakes and rivers. Males are striking with a dark green head and white body, while females have a rusty-brown crested head and grey body. They are adept at catching fish underwater.




