Red-breasted Merganser
NameRed-breasted Merganser
Common NameRed-breasted Merganser
Scientific NameMergus serrator
FamilyAnatidae
Wingspan (cm)70
Length (cm)58
Weight (g)1000
Plumage DetailsMales have a dark iridescent green head with a shaggy crest, a white neck collar, and a reddish-brown streaked breast. Their back is black, and flanks are grey with fine barring, contrasting with white patches on the wings visible in flight. Females and immatures are duller with a reddish-brown head and a less distinct crest.
Vocalization / CallGenerally quiet, but males produce a soft, cat-like purring or croaking sound during courtship, while females give a harsh, rattling 'karr-karr-karr' call.
Primary Dietpiscivore
Primary Habitatscoastal, wetland
Conservation Statusleast-concern
Geographic RangeBreeds across northern North America, Europe, and Asia, typically in freshwater lakes and rivers. Winters primarily along coastal marine waters and large inland lakes further south in temperate regions.
Identifying FeaturesShaggy crest on head, Slender, serrated red bill, Male's distinctive reddish-brown breast and white neck collar, Low-slung profile on water
Description
The Red-breasted Merganser is a diving duck known for its shaggy crest and slender, serrated bill. It is often seen on coastal waters and large freshwater bodies, actively diving to catch fish. Males display striking plumage during breeding season.
