Velvet Scoter
Encyclopedia
The Velvet Scoter also called a Velvet Duck or whitewing (not to be confused with the white-winged scoter
), is a large sea duck
, which breeds over the far north of Europe
and Asia
west of the Yenisey basin. A small, isolated population nests in eastern Turkey
. The East Siberia
n and North America
n White-winged Scoter
is sometimes considered conspecific with the Velvet Scoter, and its two constituent subspecies are then known as M. f. stejnegeri and M. f. deglandi. Velvet and White-winged Scoter, along with the Surf Scoter
, are placed in the subgenus Melanitta, distinct from the subgenus Oidemia, Black
and Common Scoter
s.
It winters
further south in temperate
zones, Europe
as far south as Great Britain
, and on the Black
and Caspian Sea
. Small numbers reach France
and northern Spain
. It forms large flocks
on suitable coastal waters. These are tightly packed, and the birds tend to take off together.
The lined nest
is built on the ground close to the sea, lakes or rivers, in woodland
or tundra
. 7-9 egg
s are laid. This duck dives for crustacean
s and molluscs.
It is characterised by its bulky shape and large bill. It is the largest scoter at 51–58 cm. The male is all black, except for white around the eye and a white speculum
. It has a bulbous yellow bill with a black base. The females are brown bird
s with two pale patches on each side of the head and white wing patches.
The Velvet Scoter is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA
) applies.
White-winged Scoter
The White-winged Scoter is a large sea duck.-Description:It is characterised by its bulky shape and large bill. This is the largest species of scoter. Females range from 950-1950 grams and 48–56 cm , averaging 1180 grams and 52.3 cm . She is brown with pale head patches...
), is a large sea duck
Merginae
The seaducks, Merginae, form a subfamily of the duck, goose and swan family of birds, Anatidae.As the name implies, most but not all, are essentially marine outside the breeding season. Many species have developed specialized salt glands to allow them to tolerate salt water, but these have not yet...
, which breeds over the far north of Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
and Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
west of the Yenisey basin. A small, isolated population nests in eastern Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...
. The East Siberia
Siberia
Siberia is an extensive region constituting almost all of Northern Asia. Comprising the central and eastern portion of the Russian Federation, it was part of the Soviet Union from its beginning, as its predecessor states, the Tsardom of Russia and the Russian Empire, conquered it during the 16th...
n and North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
n White-winged Scoter
White-winged Scoter
The White-winged Scoter is a large sea duck.-Description:It is characterised by its bulky shape and large bill. This is the largest species of scoter. Females range from 950-1950 grams and 48–56 cm , averaging 1180 grams and 52.3 cm . She is brown with pale head patches...
is sometimes considered conspecific with the Velvet Scoter, and its two constituent subspecies are then known as M. f. stejnegeri and M. f. deglandi. Velvet and White-winged Scoter, along with the Surf Scoter
Surf Scoter
The Surf Scoter is a large sea duck, which breeds in Canada and Alaska. It is placed in the subgenus Melanitta, along with the Velvet and White-winged Scoters, distinct from the subgenus Oidemia, Black and Common Scoters.It winters further south in temperate zones, on the coasts of the northern USA...
, are placed in the subgenus Melanitta, distinct from the subgenus Oidemia, Black
Black Scoter
The Black or American Scoter is a large sea duck, 43 to 49 centimeters in length. Together with the Common Scoter M. nigra, it forms the subgenus Oidemia; the two are sometimes considered conspecific, the Black Scoter then being referred to as M. nigra americana...
and Common Scoter
Common Scoter
The Common Scoter is a large sea duck, 43-54 cm in length, which breeds over the far north of Europe and Asia east to the Olenyok River. The American/E Siberian M. americana is sometimes considered a subspecies of M. nigra.It winters further south in temperate zones, on the coasts of Europe as...
s.
It winters
Bird migration
Bird migration is the regular seasonal journey undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather. Sometimes, journeys are not termed "true migration" because they are irregular or in only one direction...
further south in temperate
Temperate
In geography, temperate or tepid latitudes of the globe lie between the tropics and the polar circles. The changes in these regions between summer and winter are generally relatively moderate, rather than extreme hot or cold...
zones, Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
as far south as Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...
, and on the Black
Black Sea
The Black Sea is bounded by Europe, Anatolia and the Caucasus and is ultimately connected to the Atlantic Ocean via the Mediterranean and the Aegean seas and various straits. The Bosphorus strait connects it to the Sea of Marmara, and the strait of the Dardanelles connects that sea to the Aegean...
and Caspian Sea
Caspian Sea
The Caspian Sea is the largest enclosed body of water on Earth by area, variously classed as the world's largest lake or a full-fledged sea. The sea has a surface area of and a volume of...
. Small numbers reach France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
and northern Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...
. It forms large flocks
Flock (birds)
A flock is a group of birds conducting flocking behavior in flight, or while foraging. The term is akin to the herd amongst mammals. The benefits of aggregating in flocks are varied and flocks will form explicitly for specific purposes...
on suitable coastal waters. These are tightly packed, and the birds tend to take off together.
The lined nest
Bird nest
A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American Robin or Eurasian Blackbird, or the elaborately woven hanging nest of the...
is built on the ground close to the sea, lakes or rivers, in woodland
Woodland
Ecologically, a woodland is a low-density forest forming open habitats with plenty of sunlight and limited shade. Woodlands may support an understory of shrubs and herbaceous plants including grasses. Woodland may form a transition to shrubland under drier conditions or during early stages of...
or tundra
Tundra
In physical geography, tundra is a biome where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes through Russian тундра from the Kildin Sami word tūndâr "uplands," "treeless mountain tract." There are three types of tundra: Arctic tundra, alpine...
. 7-9 egg
Egg (biology)
An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...
s are laid. This duck dives for crustacean
Crustacean
Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...
s and molluscs.
It is characterised by its bulky shape and large bill. It is the largest scoter at 51–58 cm. The male is all black, except for white around the eye and a white speculum
Speculum feathers
The speculum is a patch, often distinctly coloured, on the inner remiges of some birds.Examples of the colour of the speculum in a number of ducks are:* Common Teal and Green-winged Teal: Iridescent green edged with buff....
. It has a bulbous yellow bill with a black base. The females are brown bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...
s with two pale patches on each side of the head and white wing patches.
The Velvet Scoter is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA
AEWA
The Agreement on the Conservation of African-Eurasian Migratory Waterbirds is the largest of its kind developed so far under the Bonn Convention. It was concluded on 16 June 1995 at The Hague, the Netherlands and entered into force on 1 November 1999 after the required number of at least fourteen...
) applies.
External links
- White-winged Scoter Species Account - Cornell Lab of Ornithology
- White-winged Scoter - Melanitta fusca - USGS Patuxent Bird Identification InfoCenter
- White-winged Scoter Information - South Dakota Birds and Birding