Velvet Scoter (Melanitta fusca)

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Image of a Velvet Scoter in its natural habitat
Birds Scoter

Introduction

The Velvet Scoter, Melanitta fusca (Linnaeus, 1758), is a large sea duck in the family Anatidae. It breeds across northern Europe and western Siberia, using freshwater lakes, streams, coastal islands and tundra wetlands, and spends much of the non-breeding season in coastal marine waters. It is a migratory species, with important wintering concentrations in the Baltic Sea and along the coasts of western Europe. The species was formerly treated as part of a wider group that included North America’s White-winged Scoter, but Melanitta fusca is now recognised as a distinct Eurasian species.

Physical Description

The Velvet Scoter is a robust duck measuring approximately 51–58 cm in length. It has a thick neck, broad bill and pointed tail, giving it a heavy profile on the water.

Adult males are predominantly glossy black. Their most diagnostic features are a small, neat white mark behind the eye, a yellow to orange-yellow bill with a relatively small basal knob, deep reddish legs and a conspicuous white patch in the wing. The white wing patch is often hidden when the bird is swimming but becomes obvious in flight or when the wings are raised.

Females are dark brown overall, usually with a paler or scaly-looking underside. They have two subdued pale facial patches, one near the base of the bill and another behind the eye, and a dark bill. Juveniles resemble females but are generally paler, with less distinct facial markings and, in some plumages, a more noticeable pale belly. Males in immature or eclipse plumage can also appear browner and less distinctly marked than fully adult males.

Range and Habitat

The Velvet Scoter breeds from Scandinavia and the Baltic region eastwards through northern Russia to the Yenisei and Khatanga river regions, with additional breeding areas in parts of northeastern Kazakhstan and isolated populations farther south. It breeds near freshwater lakes, streams and ponds in boreal forest, open tundra and montane environments. In Fennoscandia and Estonia, breeding birds may also use wooded or open islands in Baltic archipelagos.

After breeding, most birds move to coastal waters. Important wintering areas include the Baltic Sea, the North Sea, the coasts of the United Kingdom, the Netherlands, Denmark, Germany, Poland and France, and parts of the Mediterranean, Black Sea and Caspian Sea regions. Wintering birds generally favour sheltered coastal waters, bays, estuaries and shallow marine areas with suitable sandy or soft-bottom feeding grounds. In the Baltic Sea, areas around 10–30 m deep are frequently used.

The species is not a regular North American migrant. Reports of a North American connection reflect earlier taxonomic treatment, when the Velvet Scoter was grouped with the White-winged Scoter.

Behaviour and Diet

Velvet Scoters are powerful divers. Outside the breeding season they usually feed in marine waters, often in flocks and sometimes alongside other sea ducks. They dive beneath the surface to obtain prey from the seabed, using their bills to seize or dislodge food.

The diet is dominated by benthic invertebrates. Marine prey includes bivalve molluscs, gastropods, crustaceans and polychaete worms, with small fish taken occasionally. A study of wintering birds in the Lithuanian Baltic Sea found that bivalves made a major contribution to the diet, while the crustacean Saduria entomon was also important. At freshwater breeding sites, the diet includes insect larvae, caddisfly larvae, tadpole shrimps and other aquatic invertebrates, with some plant material taken in certain habitats.

Breeding usually begins in late spring. The nest is placed on the ground close to water and is concealed among vegetation. The female builds and incubates the nest, typically laying 7–9 eggs, although larger and smaller clutches have been recorded. Incubation lasts about 27–28 days. The ducklings are precocial and leave the nest soon after hatching, but they remain with the female while they develop and learn to forage. Fledging generally occurs after approximately 50–55 days.

Migration is partly sex- and age-dependent. Males may move to moulting areas while females are still incubating, whereas females and juveniles generally migrate south later in the year. Birds may gather in large concentrations at favoured coastal sites, particularly where ice or weather restricts access to other feeding areas.

Identification Tips

  • Look for a large, heavy-bodied scoter with a pointed tail and broad bill.
  • An adult male is glossy black with a small white mark behind the eye, a yellowish bill and a large white wing patch.
  • The white wing patch is the most useful feature separating the species from the Common Scoter when the bird is in flight or flapping on the water.
  • A female or juvenile is dark brown with two subdued pale facial patches and a dark bill. These plumages can be difficult to identify confidently at a distance.
  • The Velvet Scoter is generally larger and heavier-looking than the Common Scoter and has more obvious white in the wing.
  • The species can be confused with White-winged Scoter or Stejneger’s Scoter where their ranges or records overlap. Identification of female-type birds may require close views of the bill shape, facial pattern and wing markings, so location and behaviour are important supporting clues.

Conservation Status

The Velvet Scoter is currently classified as Vulnerable on the IUCN Red List. Conservation assessments identify a declining trend in important parts of the range, although comprehensive, up-to-date population information remains limited. A Baltic Sea-wide assessment reported a substantial decline in wintering numbers compared with estimates from the early 1990s.

Important threats include accidental capture in gillnets and other fishing gear, oil pollution, disturbance, hunting in parts of the range, predation by introduced mammals at breeding sites, and the effects of offshore wind farms and other marine developments. Climate change may also affect breeding conditions, winter survival and the availability of benthic prey.

Conservation measures include coordinated monitoring of breeding and wintering populations, protection of important coastal and freshwater sites, reduction of by-catch, careful assessment of marine infrastructure, management of introduced predators and international cooperation along migration routes. The species is covered by the Agreement on the Conservation of African-Eurasian Migratory Waterbirds and related regional conservation frameworks.

Frequently Asked Questions

Where does the Velvet Scoter live?

It breeds in northern Europe and western Siberia, mainly near freshwater lakes, streams, tundra wetlands and northern coastal islands. It winters mostly in coastal marine waters, especially around the Baltic Sea and the coasts of western Europe.

What does a Velvet Scoter eat?

Its diet consists mainly of benthic invertebrates. Marine birds eat bivalve molluscs, gastropods, crustaceans and worms, while breeding birds also take aquatic insect larvae and other freshwater invertebrates.

How can a male Velvet Scoter be identified?

An adult male is glossy black with a small white mark behind the eye, a yellowish bill, reddish legs and a conspicuous white wing patch. The wing patch is particularly easy to see in flight.

Are Velvet Scoters found in North America?

The Velvet Scoter is a Eurasian species and is not a regular North American migrant. North America’s White-winged Scoter was formerly included in a broader taxonomic treatment of the Velvet Scoter, which caused some historical confusion.

Where do Velvet Scoters nest?

They nest on the ground close to water, usually in concealed vegetation near freshwater lakes, streams, tundra pools or coastal islands. The female incubates the eggs, and the ducklings leave the nest soon after hatching.

Why is the Velvet Scoter threatened?

Major threats include by-catch in fishing gear, oil pollution, disturbance, hunting in some areas, introduced predators, marine development and possible climate-related changes to breeding habitats and food supplies.

References

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