Hooded Merganser

Hooded Merganser

Lophodytes cucullatus

Least Concern

Known as the 'masked diver', the Hooded Merganser is an enchanting waterbird that graces the wetlands of North America. With its distinctive fan-shaped crest and expert diving skills, this bird is a captivating sight as it hunts for fish and crustaceans beneath the water's surface.

Appearance and Identification

Primary Color

Brown

Primary Color (female)

Brown

Primary Color (juvenile)

Brown

Secondary Colors

Black, White

Secondary Colors (female)

Grey, White

Secondary Colors (juvenile)

Grey, White

Secondary Colors (seasonal)

Wing Color

Black

Wing Color (female)

Black

Wing Color (juvenile)

Black

Beak Type

Long

Beak Color

Black

Beak Color (female)

Yellow

Beak Color (juvenile)

Yellow

Leg Color

Orange

Leg Color (female)

Orange

Leg Color (juvenile)

Orange

Distinctive Markings

Crested head, white breast with two black stripes

Distinctive Markings (female)

Smaller crest, less distinctive markings

Distinctive Markings (juvenile)

Smaller crest, less distinctive markings

Tail Description

Dark and fan-shaped

Tail Description (female)

Dark and fan-shaped

Tail Description (juvenile)

Dark and fan-shaped

Size Metrics

40cm to 49cm

Length

60cm to 66cm

Wingspan

453g to 879g

Weight

Photos

Click on an image below to see the full-size version

Vocalization and Sounds

Primary Calls

Low croaking and quacking

Call Description

Males produce a frog-like croak, females a hoarse quack

Alarm Calls

Sharp, high-pitched quack

Behavior and Social Structure

Daily Activities

Active during the day, often seen diving for food

Social Habits

Solitary or in small groups, forms larger flocks in winter

Territorial Behavior

Defends nesting territories, but not feeding areas

Migratory Patterns

Migrates south in winter, some populations resident

Interaction with Other Species

Generally peaceful, but can be aggressive in defense of nest

Diet

Primary Diet

Fish, Crustaceans, Insects

Feeding Habits

Dives underwater to catch prey

Feeding Times

Morning and late afternoon

Prey Capture Method

Chases prey underwater

Diet Variations

Diet varies with season and location

Special Dietary Needs (if any)

None known

Nesting

Nesting Location

Tree cavities near water

Nest Construction

Uses existing cavities, lined with feathers

Breeding Season

Spring

Number of clutches (per breeding season)

One

Egg Appearance

Creamy white, oval

Egg Size

Approximately 5cm x 4.5cm

Clutch Characteristics

5-13 eggs

Incubation Period

Around 30 days

Fledgling Period

Leave nest 1 day after hatching, but will stay for up to 5 weeks

Parental Care

Female incubates eggs and cares for chicks

Distribution and Habitat

Geographic Range

North America, small vagrant populations in Europe

Habitat Description

Wetlands, rivers, lakes

Elevation Range

Sea level to 1500m

Migration Patterns

Migrates south in winter, some populations resident

Biome

Freshwater, Temperate Forest

Climate zones

Temperate

Distribution Map

Please note, this range and distribution map is a high-level overview, and doesn't break down into specific regions and areas of the countries.

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