Bird Identifier
Hooded Merganser
Order: Anseriformes, Family: Anatidae

Hooded Merganser

Lophodytes cucullatus

A small, compact diving duck known for its ornate, adjustable crest and sharp stiletto-like bill adapted for catching fish.

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Plumage & appearance

Adult males feature a striking, fan-shaped black-and-white crest, a dark head, rich chestnut flanks, and a white breast with two distinct black vertical bars. Adult females and juveniles have a duller reddish-brown crest, gray-brown body plumage, and less distinct markings.

Key field marks

Small size, slender dark bill, distinctive large rounded black-and-white crest (in males), and rich brownish-orange flanks.

Size & weight

Length: 40-49 cm (16-19 in), Wingspan: 60-66 cm (24-26 in), Weight: 450-680 g (1-1.5 lbs)

Voice — call & song

Generally silent, but males make a low, hoarse, frog-like croak or ticking sound during courtship, while females emit a harsh, hoarse cackle.

Diet & foraging

Primarily small fish, aquatic insects, crayfish, and other small aquatic crustaceans. They forage by diving and swimming underwater.

Habitat

Wooded wetlands, forested rivers, swamps, beaver ponds, and occasionally sheltered coastal bays during winter.

Migration & movement

Short to medium-distance migrant. Northern populations move south for the winter when lakes and rivers freeze, while southern populations are resident.

Nesting & breeding

Cavity nester using natural tree hollows or nest boxes near water. Lays a clutch of 7 to 13 white eggs, and occasionally practices egg-dumping in other ducks' nests.

Similar species

Common Merganser and Red-breasted Merganser, but the Hooded is much smaller and distinguished by its unique fan-shaped crest.

Ecological significance

Acts as an apex predator of small aquatic life in its freshwater habitats, helping regulate fish and macroinvertebrate populations.

Conservation status

Least Concern, with a stable to increasing population trend.

Observation tips

Look for them in quiet wooded ponds, small rivers, and flooded timber. They can be skittish, so approach slowly and use binoculars from a concealed spot.

Interesting facts

Hooded Mergansers can change the shape and size of their crest dynamically during courtship displays. Their eyes are specially adapted for seeing underwater, equipped with a clear membrane that acts like swimming goggles.

More like this

Other order: anseriformes, family: anatidae birds