Common Merganser
Image: kaipingplover (cc-by-nc)
NameCommon Merganser
Common NameCommon Merganser
Scientific NameMergus merganser
FamilyAnatidae
Wingspan (cm)87.5
Length (cm)65
Weight (g)1500
Plumage DetailsAdult males have a glossy dark green (appearing black) head, a white breast and flanks, a black back, and a salmon-pink wash on the underside which is often not visible. The bill is bright red with a black tip. Females have a reddish-brown head with a shaggy crest, a distinct white chin patch, and a grey body with a white belly.
Vocalization / CallGenerally quiet, but can produce a variety of low croaks, grunts, and rattling calls, particularly during courtship displays. Females may give a harsh 'karr-karr' call.
Primary Dietpiscivore
Primary Habitatsfreshwater lakes, rivers, reservoirs, coastal waters
Conservation Statusleast-concern
Geographic RangeWidespread across the Northern Hemisphere, breeding in forested areas near freshwater in North America, Europe, and Asia. Winters further south on large rivers, lakes, and coastal estuaries.
Identifying FeaturesMale's sleek dark green head and white body, Female's shaggy reddish-brown crest and white chin patch, Long, slender, serrated red bill with a hooked tip, Diving behavior for foraging
Description
The Common Merganser is a large diving duck found on freshwater lakes and rivers. Males are striking with their sleek dark green heads and white bodies, while females have a shaggy reddish-brown crest. They are adept at catching fish underwater using their serrated bills.
