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Long-tailed duck
Non-breeding male
Female
Conservation status
Vulnerable  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Anseriformes
Family:	Anatidae
Genus:	Clangula Leach, 1819
Species:	C. hyemalis
Binomial name
Clangula hyemalis (Linnaeus, 1758)
Synonyms
Anas hyemalis Linnaeus, 1758 Anas glacialis Linnaeus, 1766 Harelda hyemalis (Linnaeus, 1758)

The long-tailed duck (Clangula hyemalis) or coween, formerly known as the oldsquaw, is a medium-sized sea duck that breeds in the tundra and taiga regions of the arctic and winters along the northern coastlines of the Atlantic and Pacific Oceans. It is the only member of the genus Clangula.

Taxonomy

The long-tailed duck was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae. He placed it with all the other ducks in the genus Anas and coined the binomial name Anas hyemalis. Linnaeus cited the English naturalist George Edwards's description and illustration of the "Long-tailed duck from Hudson's-Bay" that had been published in 1750 in the third volume of his A Natural History of Uncommon Birds.

This duck is now the only species placed in the genus Clangula; the genus was introduced in 1819 by the English zoologist William Leach to accommodate the long-tailed duck, in an appendix on species to John Ross's account of his voyage to look for the Northwest Passage. The genus name Clangula is a diminutive of the Latin clangere, meaning "to resound". The specific epithet hyemalis, also Latin, means "of winter". The species is considered to be monotypic – no subspecies are recognised.

In North American English it is sometimes called oldsquaw, though this name has fallen out of favour. In 2000, the American Ornithologists' Union (AOU) formally adopted the name long-tailed duck, in response to petitioning by a group of biologists who feared that the former name would be offensive to Native American tribes whose help was required for conservation efforts. The AOU stated that "political correctness" alone was not sufficient to justify changing a long-standing name, but in this case decided to make the change because doing so would "conform with English usage in other parts of the world".

An undescribed congener is known from the Middle Miocene Sajóvölgyi Formation (Late Badenian, 13–12 Mya) of Mátraszőlős, Hungary.

Distribution

Long-tailed ducks breed on tundra across northern Eurasia (in Russian Siberia, Kamchatka, and Karelia, for example), the Faroe Islands, Finland, parts of southern Greenland, Iceland, Norway, as well as across northern North America (Alaska and northern Canada).

In winter, they are found on and near large bodies of seawater, such as the Northern Pacific Ocean, the North Atlantic Ocean, Hudson Bay and the American Great Lakes. Small numbers are found on the Missouri river

Description

Adults have white underparts, though the rest of the plumage goes through a complex moulting process. The male has a long pointed tail (10 to 15 cm (3.9 to 5.9 in) long) and a dark grey bill crossed by a pink band. In winter, the male has a dark cheek patch on a mainly white head and neck, a dark breast and mostly white body. In summer, the male is dark on the head, neck and back with a white cheek patch. The female has a brown back and a relatively short pointed tail. In winter, the female's head and neck are white with a dark crown. In summer, the head is dark. Juveniles resemble adult females in autumn plumage, though with a lighter, less distinct cheek patch.

The males are vocal and have a musical yodelling call ow, ow, owal-ow.

Behaviour

Breeding

Their breeding habitat is in tundra pools and marshes, but also along sea coasts and in large mountain lakes in the North Atlantic region, Alaska, northern Canada, northern Europe, and Russia. The nest is located on the ground near water; it is built using vegetation and lined with down. They are migratory and winter along the eastern and western coasts of North America, on the Great Lakes, coastal northern Europe and Asia, with stragglers to the Black Sea. The most important wintering area is the Baltic Sea, where a total of about 4.5 million gather. As of 2022 it has also been breeding in parts of Western Europe, such as on the Marker Wadden in the Netherlands.

Food and feeding

The long-tailed duck is gregarious, forming large flocks in winter and during migration. They feed by diving for mollusks, crustaceans and some small fish. Although they usually feed close to the surface, they are capable of diving to depths of 60 m (200 ft). According to the Audubon Society Field Guide to North American Birds they can dive to 80 fathoms (146 metres or 480 feet). They use their wings, like velvet scoters, to dive, which gives them the ability to dive much deeper than other ducks.

Status

The long-tailed duck is still hunted across a large part of its range. There has been a significant decline in the number of birds wintering in the Baltic Sea, partly due to their susceptibility to being trapped in gillnets. For these reasons the International Union for Conservation of Nature (IUCN) has categorised the long-tailed duck as vulnerable. It is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.

Notes

1. Though squaw originated as a word simply meaning "young woman" in the Massachusett and related Algonquian languages, it is now considered offensive by many Native Americans and is labelled as such in modern dictionaries.

References

1. ^ BirdLife International (2018). "Clangula hyemalis". IUCN Red List of Threatened Species. 2018: e.T22680427A132528200. doi:10.2305/IUCN.UK.2018-2.RLTS.T22680427A132528200.en. Retrieved 11 November 2021.
2. "coween". Merriam-Webster.com Dictionary. Merriam-Webster.
3. Linnaeus, Carl (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis (in Latin). Vol. 1 (10th ed.). Holmiae (Stockholm): Laurentii Salvii. p. 126.
4. Edwards, George (1750). A Natural History of Uncommon Birds. Vol. Part III. London: Printed for the author at the College of Physicians. p. 156 Plates 156.
5. Leach, William Elford (1819). Ross, John (ed.). A Voyage of Discovery made under the orders of the Admiralty in her Majesty's ships Isabella and Alexander, for the purpose of exploring Baffin's Bay, and enquiring into the probability of a North-West passage. London: John Murray. Appendix II: Zoological Memoranda, pp. 48–49.
6. Mayr, Ernst; Cottrell, G. William, eds. (1979). Check-List of Birds of the World. Vol. 1 (2nd ed.). Cambridge, Massachusetts: Museum of Comparative Zoology. p. 492.
7. ^ Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2021). "Screamers, ducks, geese & swans". IOC World Bird List Version 11.2. International Ornithologists' Union. Retrieved 1 December 2021.
8. Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 110, 197. ISBN 978-1-4081-2501-4.
9. National Museum of the American Indian (2007). Do All Indians Live in Tipis?. New York: HarperCollins. p. 12. ISBN 978-0-06-115301-3.
10. American Ornithologists' Union (2000). "Forty-second supplement to the American Ornithologists' Union Check-list of North American Birds". The Auk. 117 (3): 847–858. doi:10.1642/0004-8038(2000)117[0847:fsstta]2.0.co;2.
11. Gál, Erika; Hír, János; Kessler, Eugén; Kókay, József (1998–1999). "Középsõ-miocén õsmaradványok, a Mátraszõlõs, Rákóczi-kápolna alatti útbevágásból. I. A Mátraszõlõs 1. lelõhely" [Middle Miocene fossils from the sections at the Rákóczi chapel at Mátraszőlős. Locality Mátraszõlõs I.] (PDF). Folia Historico Naturalia Musei Matraensis (in Hungarian). 23: 33–78. Archived from the original (PDF) on 2011-07-21. Retrieved 2007-02-06.
12. Godfrey, W. Earl (1966). The Birds of Canada. Ottawa: National Museum of Canada. p. 72.
13. Sibley, David Allen (2000). The Sibley Guide to Birds. New York: Knopf. p. 97. ISBN 0-679-45122-6.
14. "Species". Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA). Retrieved 14 November 2021.

External links

• "Long-tailed duck media". Internet Bird Collection.
• Long-tailed duck photo gallery at VIREO (Drexel University)
• Feathers of Long-tailed Duck (Clangula hyemalis)
• Interactive range map of Clangula hyemalis at IUCN Red List maps

v t e Genera of waterfowl and their extinct allies
Kingdom: Animalia Phylum: Chordata Class: Aves Clade: Neognathae Superorder: Galloanserae Avemetatarsalia see Avemetatarsalia Theropoda see Theropoda Maniraptora see Maniraptora Anserimorphae see below↓
Anserimorphae Anserimorphae †Conflicto †Gastornis? †Dromornithidae? †Pelagornithidae? †Vegaviidae? †Presbyornithidae Bumbalavis Headonornis? Murgonornis Presbyornis Proherodius Telmabates Teviornis Wilaru †Anachronornithidae Anachronornis Danielsavis? Anseriformes sensu stricto †Agnopterus? †Eonessa †"Headonornis"? †Naranbulagornis †Paakniwatavis †Palaeopapia †Peioa †Petropluvialis? †Proherodius? †Wunketru Anhimae †Chaunoides Anhimidae Anhima †Chainkanas Chauna Anseres Anseranatoidea †Anatalavis? Anseranatidae Anseranas †Anserpica †Eoanseranas Anatoidea †Paranyrocidae Paranyroca Anatidae See below ↓
Anatidae Anatidae †Aldabranas? †Allgoviachen †Ankonetta? †Awengkere †Bambolinetta? †Caerulonettion †Cayaoa? †Chelychelynechen? †Cousteauvia †Eonerornis? †Eutelornis? †Garganornis? †Helonetta? †Heteroanser? †Lavanttalornis †Loxornis? †Mioquerquedula? †Nogusunna? †Notochen †Proanser? †Protomelanitta? †Ptaiochen? †Selenonetta †Sharganetta? †Sinanas? †Tagayanetta †Talpanas? †Teleornis? †Thambetochen? †Wasonaka? †Romainvillinae Paracygnopterus Romainvillia Saintandrea Dendrocygninae Dendrocygna Thalassornis †Dendrocheninae Dendrochen Manuherikia Mionetta Stictonettinae Stictonetta Anserinae †Afrocygnus †Annakacygna Anser †Anserobranta †Asiavis †Bonibernicla Branta Cereopsis †"Chenopis" †Cnemiornis Coscoroba †Cygnavus Cygnus †Cygnopterus †Eremochen †Megalodytes †Paracygnus †Presbychen Tadorninae Alopochen †Australotadorna †Brantadorna Cairina †Centrornis Chloephaga Cyanochen Hymenolaimus †Kaikenia Merganetta †Miotadorna †Nannonetta Neochen Plectropterus †Pleistoanser Radjah Sarkidiornis Tachyeres Tadorna †Tamtamia Anatinae Aix Amazonetta †Anabernicula Asarcornis Biziura Callonetta †Chenoanas? Chenonetta †Dunstanetta †Eoneornis? †Lavadytis Lophonetta Malacorhynchus Marmaronetta Netta Nettapus †Pinpanetta Pteronetta †?Rhodonessa Salvadorina Speculanas Oxyurini Heteronetta Nomonyx Oxyura †Tirarinetta Mergini Bucephala †Camptorhynchus †Chendytes Clangula Histrionicus Lophodytes Melanitta Mergellus Mergus Polysticta †Shiriyanetta Somateria Anatini Anas Mareca †Matanas Sibirionetta Spatula Aythyini Aythya

• IUCN Red List vulnerable species
• Merginae
• Birds of the Arctic
• Holarctic birds
• Birds described in 1758
• Taxa named by Carl Linnaeus