ExploreBirds

Greater Scaup

Aythya marila

The Greater Scaup is a beautiful duck that loves to swim in lakes and ponds. They have a striking green head and a round body, making them easy to spot when they are floating on the water.

Habitat: Wetlands

Appearance

The Greater Scaup is a medium-sized diving duck. Males have a glossy black head that often shines purple or green in light, a grey back, and bright white sides. Females are brown with a distinctive white patch at the base of their bill.

KingdomAnimaliaPhylumChordataClassAvesOrderAnseriformesFamilyAnatidaeGenusAythya
Greater Scaup
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Greater Scaup

Category

Birds

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

A Greater Scaup can hold its breath for over a minute while diving deep to find tasty snacks!

Greater Scaup often gather in enormous flocks called 'rafts' on the water, sometimes numbering thousands!

Their striking golden-yellow eyes glow brightly, helping them see clearly both above and below the water.

They are sometimes called 'bluebills' because of the subtle bluish tint on their wide, shovel-like bills.

Special abilities

Ability

Deep Dive Dynamo

Greater Scaup can dive to surprising depths because of their dense bodies and strong leg muscles that help them chase underwater prey.

Ability

Aquatic Vision

Greater Scaup has excellent underwater vision that helps them spot hidden mussels and other food in murky waters.

Ability

Migration Marathoner

Greater Scaup can fly thousands of kilometers due to their powerful wings, helping them find warm wintering grounds.

Measurements & details

Length
42-51 cm
Wingspan
71-84 cm
Weight
0.7-1.3 kg
Lifespan
10-15 years
Top Speed
80 km/h
Clutch Size
6-13
Incubation
24-28 days
Migration Distance
5000 km

Diet & Feeding

These ducks love to feast on shellfish and aquatic insects found underwater!

Age differences: Young scaup eat more aquatic insects; adults consume more mollusks and crustaceans.

Primary Foods

  • mussels
  • clams
  • snails
  • aquatic insect larvae
  • crustaceans

Foraging Method

  • Foraging

Ecological connections

Traits

Also known as

Scaup

Collections

Safety

Danger

1/5 · Very low

Always watch ducks from a distance and do not feed them bread.

Frequently Asked Questions

How long is Greater Scaup?

42-51 cm

What is Greater Scaup's wingspan?

71-84 cm

How much does Greater Scaup weigh?

0.7-1.3 kg

How long does Greater Scaup live?

10-15 years

How fast can Greater Scaup move?

80 km/h

What does Greater Scaup eat?

These ducks love to feast on shellfish and aquatic insects found underwater!

Where is Greater Scaup usually found?

Wetlands

How does Greater Scaup hunt?

Foraging

Snap Map

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Where to spot

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