ExploreBirds

Harlequin Duck

Histrionicus histrionicus

The Harlequin Duck is a colorful bird that loves to swim in fast-moving rivers and coastal waters. With its bright patterns, it looks like a little swimming rainbow!

Habitat: Coastal areas, rivers

Appearance

The Harlequin Duck has striking plumage, with males displaying slate-blue bodies, chestnut flanks, and crisp white patches and crescents on their face and body. Females are duller brown with three distinct white spots on their head, making them look visually different from most other ducks.

KingdomAnimaliaPhylumChordataClassAvesOrderAnseriformesFamilyAnatidaeGenusHistrionicus
Harlequin Duck
feathered trait badgewebbed_feet trait badgesocial trait badgecolorful trait badge
Harlequin Duck

Category

Birds

Rarity

Common

Danger

1/5 · Very low

Snaps

Be the first to snap!

Interesting facts

Harlequin ducklings can dive and feed themselves just a few days after hatching!

Harlequins can dive deeper than 30 feet to find their favorite underwater snacks!

These ducks don't quack; instead, they make funny squeaks and whistles!

They will return to the exact same breeding spots on rivers year after year!

Special abilities

Ability

Rapid River Navigator

Harlequin Ducks can dive and swim against powerful river currents because their streamlined body helps them move with ease.

Ability

Turbulent Water Grip

The Harlequin Duck has strong feet and claws that help them cling to rocks in crashing waves without being swept away.

Ability

Underwater Vision

Harlequin Ducks can see clearly underwater because their eyes are adapted to spot prey in murky or fast-moving water.

Measurements & details

Length
38-46 cm
Wingspan
63-70 cm
Weight
0.5-0.75 kg
Lifespan
6-10 years
Top Speed
70 km/h
Clutch Size
4-7
Incubation
27-30 days
Migration Distance
2500 km

Diet & Feeding

These diving ducks love to feast on crunchy insects and tasty shellfish found underwater!

Age differences: Young ducklings start with smaller aquatic insects and gradually add larger prey as they grow.

Primary Foods

  • Caddisfly larvae
  • Stonefly nymphs
  • Mussels
  • Barnacles
  • Crabs
  • Small fish

Foraging Method

  • Pursuit

Ecological connections

eaten by

Bald Eagle

Haliaeetus leucocephalus

Juvenile Harlequins can be prey.

eaten by

North American River Otter

Lontra canadensis

Otters may prey on eggs or ducklings.

eats

California Mussel

Mytilus californianus

Harlequin ducks dive for these shellfish.

eats

Western Netspinner Caddisfly

Hydropsyche occidentalis

Ducklings and adults eat their larvae.

Traits

Also known as

Rainbow Duck

Collections

Safety

Danger

1/5 · Very low

Always watch birds from a distance and don't try to touch them.

Frequently Asked Questions

How long is Harlequin Duck?

38-46 cm

What is Harlequin Duck's wingspan?

63-70 cm

How much does Harlequin Duck weigh?

0.5-0.75 kg

How long does Harlequin Duck live?

6-10 years

How fast can Harlequin Duck move?

70 km/h

What does Harlequin Duck eat?

These diving ducks love to feast on crunchy insects and tasty shellfish found underwater!

Where is Harlequin Duck usually found?

Coastal areas, rivers

How does Harlequin Duck hunt?

Pursuit

Snap Map

Zoom in to split clusters and explore where this object has been snapped.

Loading map…

Recent Snaps

Recent snaps will appear here as new observations are added.

Where to spot

More Birds