Mute swan - wikipedia Mute swan Mute swan Conservation status Least Concern ( IUCN 3.1 ) Scientific classification Kingdom : Animalia Phylum : Chordata Class : Aves Order : Anseriformes Family : Anatidae Genus : Cygnus Species : C. olor Binomial name Cygnus olor ( Gmelin, 1789 ) Global range Year - Round Range Summer Range Winter Range Synonyms Anas olor Gmelin, 1789 Sthenelides olor ( Gmelin, 1789 ) Cygnus immutabilis Yarrell, 1838 The mute swan ( Cygnus olor ) is a species of swan and a member of the waterfowl family Anatidae. It is native to much of Eurasia, and ( as a rare winter visitor ) the far north of Africa. It is an introduced species in North America, Australasia and southern Africa. The name ' mute ' derives from it being less vocal than other swan species. Measuring 125 to 170 cm ( 49 to 67 in ) in length, this large swan is wholly white in plumage with an orange beak bordered with black. It is recognisable by its pronounced knob atop the beak, which is larger in males. Contents 1 Taxonomy 2 Evolution 3 Description 4 Behavior 5 Breeding 6 Distribution and habitat 6.1 World population 6.1. 1 Native populations 6.1. 2 Introduced populations 6.1. 2.1 North America 6.1. 2.2 Oceania 7 In popular culture 8 Gallery 9 See also 10 References 11 External links Taxonomy The mute swan was first formally described by the German naturalist Johann Friedrich Gmelin as Anas olor in 1789, and was transferred by Johann Matthäus Bechstein to the new genus Cygnus in 1803. Both cygnus and olor mean `` swan '' in Latin ; cygnus is a variant form of cycnus, a borrowing from Greek κύκνος kyknos, a word of the same meaning. Despite its Eurasian origin, its closest relatives are the black swan of Australia and the black - necked swan of South America, not the other Northern Hemisphere swans. The species is monotypic with no living subspecies. Evolution Mute swan subfossils, 6,000 years old, have been found in post-glacial peat beds of East Anglia, Great Britain. They have been recorded from Ireland east to Portugal and Italy, and from France, 13,000 BP ( Desbrosse and Mourer - Chauvire 1972 -- 1973 ). The paleosubspecies Cygnus olor bergmanni, which differed only in size from the living bird, is known from fossils found in Azerbaijan. Fossils of swan ancestors more distantly allied to the mute swan have been found in four U.S. states : California, Arizona, Idaho and Oregon. The timeline runs from the Miocene to the late Pleistocene, or 10,000 BP. The latest find was in Anza Borrego Desert, a state park in California. Fossils from the Pleistocene include Cygnus paloregonus from Fossil Lake, Oregon, Froman 's Ferry, Idaho, and Arizona, referred to by Howard in The Waterfowl of the World as `` probably the mute type swan ''. Description Two mute swan cygnets a few weeks old. The cygnet on the right is of the `` Polish swan '' colour morph, and carries a gene responsible for leucism. Adults of this large swan typically range from 140 to 160 cm ( 55 to 63 in ) long, although can range in extreme cases from 125 to 170 cm ( 49 to 67 in ), with a 200 to 240 cm ( 79 to 94 in ) wingspan. Males are larger than females and have a larger knob on their bill. On average, this is the second largest waterfowl species after the trumpeter swan, although male mute swans can easily match or even exceed a male trumpeter in mass. Among standard measurements of the mute swan, the wing chord measures 53 -- 62.3 cm ( 20.9 -- 24.5 in ), the tarsus is 10 -- 11.8 cm ( 3.9 -- 4.6 in ) and the bill is 6.9 -- 9 cm ( 2.7 -- 3.5 in ). The mute swan is one of the heaviest flying birds. In several studies from Great Britain, males ( known as cobs ) were found to average from about 10.6 to 11.87 kg ( 23.4 to 26.2 lb ), with a weight range of 9.2 -- 14.3 kg ( 20 -- 32 lb ) while the slightly smaller females ( known as pens ) averaged about 8.5 to 9.67 kg ( 18.7 to 21.3 lb ), with a weight range of 7.6 -- 10.6 kg ( 17 -- 23 lb ). While the top normal weight for a big cob is roughly 15 kg ( 33 lb ), one unusually big Polish cob weighed almost 23 kg ( 51 lb ) and this counts as the largest weight ever verified for a flying bird, although it has been questioned whether this heavyweight could still take flight. Young birds, called cygnets, are not the bright white of mature adults, and their bill is dull greyish - black, not orange, for the first year. The down may range from pure white to grey to buff, with grey / buff the most common. The white cygnets have a leucistic gene. Cygnets grow quickly, reaching a size close to their adult size in approximately three months after hatching. Cygnets typically retain their grey feathers until they are at least one year old, with the down on their wings having been replaced by Flight feathers earlier that year. All mute swans are white at maturity, though the feathers ( particularly on the head and neck ) are often stained orange - brown by iron and tannins in the water. The morph immutabilis ( `` Polish swan '' ) has pinkish ( not dark grey ) legs and dull white cygnets ; as with white domestic geese, it is only found in populations with a history of domestication. Polish swans carry a copy of a gene responsible for leucism. Behavior Nest in Drilon, Albania. The cob ( male ) is patrolling the area close to the nest to protect his mate. Mute swans nest on large mounds that they build with waterside vegetation in shallow water on islands in the middle or at the very edge of a lake. They are monogamous and often reuse the same nest each year, restoring or rebuilding it as needed. Male and female swans share the care of the nest, and once the cygnets are fledged it is not uncommon to see whole families looking for food. They feed on a wide range of vegetation, both submerged aquatic plants which they reach with their long necks, and by grazing on land. The food commonly includes agricultural crop plants such as oilseed rape and wheat, and feeding flocks in the winter may cause significant crop damage, often as much through trampling with their large webbed feet, as through direct consumption. Unlike black swans, mute swans are usually strongly territorial with just a single pair on smaller lakes, though in a few locations where a large area of suitable feeding habitat is found they can be colonial. The largest colonies have over 100 pairs, such as at the colony at Abbotsbury Swannery in southern England, and at the southern tip of Öland Island, Ottenby Preserve, in the coastal waters of the Baltic Sea, and can have nests spaced as little as 2 m ( 7 ft ) apart. Non-mated juveniles up to 3 -- 4 years old commonly form larger flocks, which can total several hundred birds, often at regular traditional sites. A notable flock of non-breeding birds is found on the River Tweed estuary at Berwick - upon - Tweed in northeastern England, with a maximum count of 787 birds. A large population exists near the Swan Lifeline Station in Windsor, and live on the Thames in the shadow of Windsor Castle. Once the adults are mated they seek out their own territories and often live close to ducks and gulls, which may take advantage of the swan 's ability to reach deep water weeds, which tend to spread out on the water surface. The mute swan is less vocal than the noisy whooper and Bewick 's swans ; they do, however, make a variety of grunting, hoarse whistling, and snorting noises, especially in communicating with their cygnets, and usually hiss at competitors or intruders trying to enter their territory. The most familiar sound associated with mute swan is the vibrant throbbing of the wings in flight which is unique to the species, and can be heard from a range of 1 to 2 km ( 0.6 to 1 mi ), indicating its value as a contact sound between birds in flight. Cygnets are especially vocal, and communicate through a variety of whistling and chirping sounds when content, as well as a harsh squawking noise when distressed or lost. Nesting in spring, Cologne, Germany Mute swans can be very aggressive in defence of their nests and are highly protective of their mate and offspring. Most defensive attacks from a mute swan begin with a loud hiss and, if this is not sufficient to drive off the predator, are followed by a physical attack. Swans attack by smashing at their enemy with bony spurs in the wings, accompanied by biting with their large bill. The wings of the swan are very powerful, though not strong enough to break an adult man 's leg, as said anecdotally. Large waterfowl, such as Canada geese, ( more likely out of competition than in response to potential predation ) may be aggressively driven off, and mute swans regularly attack people who enter their territory. The cob is responsible for defending the cygnets while on the water, and will sometimes attack small watercraft, such as canoes, that it feels are a threat to its young. The cob will additionally try and chase the predator out of his family territory, and will keep animals such as foxes and raptors at bay. In New York ( outside its native range ), the most common predators of cygnets are common snapping turtles. Healthy adults are rarely preyed upon, though canids such as coyotes, felids such as lynxes, and bears can pose a threat to infirm ones ( healthy adults can usually swim away from danger unless defending nests ) and there are a few cases of healthy adults falling prey to golden eagles. In England, there has been an increased rate of attacks on swans by out - of - control dogs, especially in parks where the birds are less territorial. This is considered criminal in British law, and the birds are placed under the highest protection due to their association with the Monarch. The familiar pose with neck curved back and wings half raised, known as busking, is a threat display. Both feet are paddled in unison during this display, resulting in more jerky movement. The swans may also use the busking posture for wind - assisted transportation over several hundred meters, so - called windsurfing. Breeding Nest of Mute swan in Sweden Mute swans lay from four to ten eggs, and the female broods for around 36 days. The cygnets do not reach the ability of flight before an age of 120 to 150 days : this limits the distribution of the species in the northern edge of its range, as the cygnets must learn to fly before the waters freeze. Distribution and habitat The mute swan is found naturally mainly in temperate areas of Europe across western Asia, as far east as the Russian Maritimes, near Sidemi. It is partially migratory throughout northern latitudes in Europe and Asia, as far south as north Africa and the Mediterranean. It is known and recorded to have nested in Iceland and is a vagrant to that area, as well as to Bermuda, according to the UN Environment Programme chart of international status chart of bird species, which places it in 70 countries, breeding in 49 countries, and vagrant in 16 countries. While most of the current population in Japan is introduced, mute swans are depicted on scrolls more than a thousand years old, and wild birds from the mainland Asian population still occur rarely in winter. Natural migrants to Japan usually occur along with whooper and sometimes Bewick 's swans. The mute swan is protected in most of its range, but this has not prevented illegal hunting and poaching. It is often kept in captivity outside its natural range, as a decoration for parks and ponds, and escapes have happened. The descendants of such birds have become naturalised in the eastern United States and Great Lakes, much as the Canada goose has done in Europe. World population Native populations Mute swans with cygnets in Oxfordshire Mute swan cygnet in Vanhankaupunginlahti, Finland The total native population of mute swans is about 500,000 birds at the end of the breeding season ( adults plus young ), of which 350,000 are in the former Soviet Union. The largest single breeding concentration is 11,000 pairs in the Volga Delta. The population in the United Kingdom is about 22,000 birds, as of the 2006 -- 2007 winter, a slight decline from the peak of about 26,000 - 27,000 birds in 1990. This includes about 5,300 breeding pairs, the remainder being immatures. Other significant populations in Europe include 6,800 - 8,300 breeding pairs in Germany, 4,500 pairs in Denmark, 4,000 - 4,200 pairs in Poland, 3,000 - 4,000 pairs in the Netherlands, about 2,500 pairs in Ireland, and 1,200 - 1,700 pairs in Ukraine. For many centuries, mute swans in Britain were domesticated for food, with individuals being marked by nicks on their webs ( feet ) or beaks to indicate ownership. These marks were registered with the Crown and a Royal Swanherd was appointed. Any birds not so marked became Crown property, hence the swan becoming known as the `` Royal Bird ''. It is quite possible that this domestication saved the swan from being hunted to extinction in Britain. Populations in western Europe were largely exterminated by hunting pressure in the 13th -- 19th centuries, with the exception of semi-domesticated birds maintained as poultry by large landowners. Better protection in the late 19th and early 20th centuries allowed birds to return to most or all of their former range. More recently in the period from about 1960 up to the early 1980s, numbers declined significantly again in many areas, primarily due to lead poisoning from birds swallowing discarded fishing sinkers made from lead. After lead weights were replaced by other less toxic alternatives, mute swan numbers increased again rapidly. Introduced populations Since being introduced into North America, the mute swan has increased greatly in number, to the extent that it is considered as an invasive species. Populations introduced into other areas remain small, with around 200 in Japan, fewer than 200 in New Zealand and Australia, and about 120 in South Africa. North America The mute swan was introduced to North America in the late 19th century. Recently, it has been widely viewed as an invasive species because of its rapidly increasing numbers and its adverse effects on other waterfowl and native ecosystems. For example, a study of population sizes in the lower Great Lakes from 1971 to 2000 found that mute swan numbers were increasing at an average rate of at least 10 % per year, doubling the population every seven to eight years. Several studies have concluded that mute swans severely reduce densities of submerged vegetation where they occur. In 2003, the U.S. Fish and Wildlife Service proposed to `` minimize environmental damages attributed to Mute Swans '' by reducing their numbers in the Atlantic Flyway to pre-1986 levels, a 67 % reduction at the time. According to a report published in the Federal Register of 2003 the proposal was supported by all thirteen state wildlife agencies which submitted comments, as well as by 43 bird conservation, wildlife conservation and wildlife management organisations. Ten animal rights organisations and the vast majority of comments from individuals were opposed. At this time mute swans were protected under the Migratory Bird Treaty Act due to a court order, but in 2005 the United States Department of the Interior officially declared them a non-native, unprotected species. Mute swans are protected in some areas of the U.S. by local laws, as for example in Connecticut. The status of the mute swan as an introduced species in North America is disputed by the interest group `` Save the Mute Swans ''. They assert that mute swans are native in the region and therefore deserving of protection. They claim that mute swans had origins from Russia and cite historical sightings and fossil records. These claims have been rejected as specious by the U.S. Department of the Interior. Oceania The mute swan had absolute protection in New Zealand under the Wildlife Act 1953 but this was changed in June 2010 to a lower level of protection. It still has protection, but is now allowed to be killed or held in captivity at the discretion of the Minister of Conservation. A small feral population exists in the vicinity of Perth, Australia, however is believed to number less than 100 individuals. In popular culture The Threatened Swan ( c. 1650 ) by Jan Asselijn A mute swan was shown on the 2004 commemorative Irish Euro coin to mark the accession of the 10 new member states which occurred during the Irish Presidency of the European Union. The mute swan has been the national bird of Denmark since 1984. Prior to that, the skylark was considered Denmark 's national bird ( since 1960 ). The fairy tale `` The Ugly Duckling '' by Hans Christian Andersen tells the story of a cygnet ostracised by his fellow barnyard fowl because of his perceived homeliness. To his delight ( and to the surprise of others ), he matures into a graceful swan, the most beautiful bird of all. In the famous ballet Swan Lake, the main character, Princess Odette and her companions are turned into swans by a wicked spell. Today, the British Monarch retains the right to ownership of all unmarked mute swans in open water, but Queen Elizabeth II only exercises her ownership on certain stretches of the Thames and its surrounding tributaries. This ownership is shared with the Vintners ' and Dyers ' Companies, who were granted rights of ownership by the Crown in the 15th century. The mute swans in the moat at the Bishops Palace at Wells Cathedral in Wells, England have for centuries been trained to ring bells via strings attached to them to beg for food. Two swans are still able to ring for lunch. The pair of swans in the Boston Public Garden are named Romeo and Juliet after the Shakespearean couple ; however, it was found that both are female. Camille Saint - Saëns composed a movement called Le cygne in The Carnival of the Animals. It is played by solo cello and two pianos and represents a swan gliding over the water ( cello ) and the ripples it creates ( pianos ). Led Zeppelin 's Jimmy Page also wrote an instrumental song called Swan Song in 1974. Gallery Finding food underwater Mute swan in flight Flock in flight Landing on water Mute swan egg 1956 Finnish stamp with a mute swan Four mute swans along the bank of the Etobicoke Creek. A family of Mute Swans on a small lake in Southern Michigan, USA. See also Swan Upping The Bird of Peace ( statue ) References Jump up ^ BirdLife International ( 2012 ). `` Cygnus olor ''. IUCN Red List of Threatened Species. IUCN. 2012 : e. T22679839A40128183. doi : 10.2305 / IUCN. UK. 2012 - 1. RLTS. T22679839A40128183. en. Retrieved 27 August 2016. ^ Jump up to : del Hoyo, Josep ; Elliott, Andrew ; Sargatal, Jordi, eds. ( 1992 ). Handbook of the Birds of the World. 1, Ostrich to Ducks. Barcelona : Lynx Edicions. pp. 577 -- 78. ISBN 84 - 87334 - 10 - 5. ^ Jump up to : Snow, D.W. ; Perrins, C.M. ( 1998 ). The Birds of the Western Palearctic ( Concise ed. ). Oxford : Oxford University Press. ISBN 0 - 19 - 854099 - X. ^ Jump up to : Madge, S. ; Burn, H. ( 1987 ). Wildfowl : An Identification Guide to the Ducks, Geese and Swans of the World. A & C Black. ISBN 0 - 7470 - 2201 - 1. Jump up ^ cycnus, olor. Charlton T. Lewis and Charles Short. A Latin Dictionary on Perseus Project. Jump up ^ κύκνος. Liddell, Henry George ; Scott, Robert ; A Greek -- English Lexicon at the Perseus Project. Jump up ^ Simpson, D.P. ( 1979 ). Cassell 's Latin Dictionary ( 5th ed. ). London : Cassell. ISBN 0 - 304 - 52257 - 0. Jump up ^ Harper, Douglas. `` cygnet ''. Online Etymology Dictionary. Jump up ^ Northcote, E.M. ( 1981 ). `` Size difference between limb bones of recent and subfossil Mute Swans ( Cygnus olor ) ''. J. Archaeol. Sci. 8 ( 1 ) : 89 -- 98. doi : 10.1016 / 0305 - 4403 ( 81 ) 90014 - 5. Jump up ^ Palmer, Ralph S., ed. ( 1976 ). Handbook of North American Birds. 2. New Haven : Yale University Press. ISBN 0300019025. ^ Jump up to : Jefferson, George T. ; Lindsay, Lowell, eds. ( 2005 ). Fossil Treasures of the Anza - Borrego Desert. Sunbelt Publications. p. 153. ISBN 9780932653505. Jump up ^ The Waterfowl of the World. pp. 262 -- 265. Jump up ^ Madge, Steve, Waterfowl : An Identification Guide to the Ducks, Geese, and Swans of the World. Houghton Mifflin Harcourt ( 1992 ), ISBN 978 - 0 - 395 - 46726 - 8 Jump up ^ Mullarney, K., Svensson, L, Zetterstrom, D., & Grant, P.J. ( 1999 ) Collins Bird Guide. HarperCollins Publishers Ltd., London p. 14 Jump up ^ del Hoyo, et al., Handbook of the Birds of the World. Volume 1 : Ostrich to Ducks ( Handbooks of the Birds of the World ). Lynx Edicions ( 1992 ), ISBN 978 - 84 - 87334 - 10 - 8 Jump up ^ CRC Handbook of Avian Body Masses by John B. Dunning Jr. ( Editor ). CRC Press ( 1992 ), ISBN 978 - 0 - 8493 - 4258 - 5. Jump up ^ Sears, J. ( 1989 ). Feeding activity and body condition of mute swans Cygnus olor in rural and urban areas of a lowland river system. Wildfowl, 40 ( 40 ), 88 - 98. Jump up ^ Reynolds, C.M. ( 1972 ). Mute Swan weights in relation to breeding. Wildfowl, 23 ( 23 ), 8. Jump up ^ Bacon, P.J., & Coleman, A.E. ( 1986 ). An analysis of weight changes in the Mute Swan Cygnus olor. Bird Study, 33 ( 3 ), 145 - 158. Jump up ^ Wood, Gerald ( 1983 ). The Guinness Book of Animal Facts and Feats. ISBN 978 - 0 - 85112 - 235 - 9. Jump up ^ `` The Mute Swan Birds of Eden ''. Birds of Eden. Retrieved 26 March 2014. ^ Jump up to : Cramp, S., ed. ( 1977 ). The Birds of the Western Palearctic. Oxford : Oxford University Press. ISBN 0 - 19 - 857358 - 8. Jump up ^ Parrott, D. ; McKay, H.V. ( 2001 ). `` Mute swan grazing on winter crops : Estimation of yield loss in oilseed rape and wheat. Mute swans occasionally eat insects, amphibians and smaller birds ''. J. Crop Protection. 20 : 913 -- 919. doi : 10.1016 / s0261 - 2194 ( 01 ) 00041 - 2. Jump up ^ Hogan, C.M. ( 2006 ). Environmental Database for Oland, Sweden. Lumina Press. Jump up ^ Scott, P. ; Wildfowl Trust ( 1972 ). Behavioral patterns of juvenile Mute Swans. Jump up ^ `` The Berwick Swan and Wildlife Trust ''. Jump up ^ `` Mute Swan ''. www.allaboutbirds.org. Retrieved 29 April 2016. Jump up ^ `` Classroom Resources - Argonne National Laboratory ''. anl.gov. ^ Jump up to : `` Mute Swan ''. New York Department of Environmental Conservation. Retrieved 3 May 2012. Jump up ^ `` ADW : Cygnus olor : INFORMATION ''. Animaldiversity.ummz.umich.edu. Retrieved 3 May 2012. Jump up ^ Watson, Jeff ( 2011 ). The Golden Eagle ( Second ed. ). ISBN 978 - 0 - 30017 - 019 - 1. Jump up ^ https://www.whatdotheyknow.com/request/protection_of_swans_from_attack Jump up ^ `` Topic : Busking ''. Bird On ! Bird Care. Retrieved 26 March 2014. Jump up ^ Terenius, Olle ( 2016 - 09 - 01 ). `` Windsurfing in Mute Swans ( Cygnus olor ) ''. The Wilson Journal of Ornithology. 128 ( 3 ) : 628 -- 631. doi : 10.1676 / 1559 - 4491 - 128.3. 628. ISSN 1559 - 4491. Jump up ^ `` Windsurfing Mute Swan ''. Jump up ^ Dement'ev, G.P. ; Gladkov, N.A. ( 1967 ). Birds of the Soviet Union. IV. U.S. Fish & Wildlife Translation. Jump up ^ Austin, G. ; Collier, M. ; Calbrade, N. ; Hall, C. ; Musgrove, A. ( 2008 ). Waterbirds in the UK 2006 / 07. Thetford : Wetland Bird Survey. ISBN 978 - 1 - 906204 - 33 - 4. Jump up ^ Baker, Helen ; Stroud, David A. ; Aebischer, Nicholas J. ; Cranswick, Peter A. ; Gregory, Richard D. ; McSorley, Claire A. ; Noble, David G. ; Rehfisch, Mark M. ( January 2006 ). `` Population estimates of birds in Great Britain and the United Kingdom '' ( PDF ). British Birds. 99 : 25 -- 44. Jump up ^ `` About Mute Swans ''. northwestswanstudy.org.uk. ^ Jump up to : `` Swan Upping on the River Thames - History by The Royal Windsor Web Site ''. thamesweb.co.uk. Jump up ^ Ticehurst, N.E. ( 1957 ). The Mute Swan in England. London : Cleaver - Hume Press. Jump up ^ Holloway, S. ( 1996 ). The Historical Atlas of Breeding Birds in Britain and Ireland 1875 -- 1900. London : Poyser. ISBN 0 - 85661 - 094 - 1. Jump up ^ Petrie, Scott A. ; Francis, Charles M. ( 2010 ). `` Rapid increase in the lower Great Lakes population of feral mute swans : a review and a recommendation ''. Wildlife Society Bulletin. 31 ( 2 ) : 407. Jump up ^ Allin, Charles C. ; Husband, Thomas P. ( September 2003 ). `` Mute Swan ( Cygnus olor ) impact on submerged aquatic vegetation and macroinvertebrates in a Rhode Island coastal pond ''. Northeastern Naturalist. 10 ( 3 ) : 305 -- 318. doi : 10.1656 / 1092 - 6194 ( 2003 ) 010 ( 0305 : MSCOIO ) 2.0.CO ; 2. ISSN 1092 - 6194. Jump up ^ Williams, Steve. `` Finding of No Significant Impact and Final Environmental Assessment for the Management of Mute Swans in the Atlantic Flyway '' ( PDF ). Federal Register. 68 ( 152 ) : 47085. ^ Jump up to : `` Final List of Bird Species to Which the Migratory Bird Treaty Act Does Not Apply '' ( PDF ). Jump up ^ `` Bird lovers, Conn. are at odds on swans ''. Boston Globe. 24 December 2007. Retrieved 7 April 2009. Jump up ^ `` Mute Swan Advocacy ''. Mute Swan Advocacy. Retrieved 3 May 2012. Jump up ^ `` Protection status changes to Wildlife Act ''. New Zealand Government. 10 June 2010. Jump up ^ British Monarchy website regarding swan upping and the Crown 's ownership of Mute Swans. Jump up ^ `` Swan Watch : The Bishop 's Swans ''. Retrieved 4 September 2013. Jump up ^ Slack, Donovan ( 12 August 2005 ). `` Thou art no Romeo ''. The Boston Globe. Retrieved 26 December 2009. External links Wikimedia Commons has media related to the mute swan. Wikispecies has information related to : Cygnus olor Mute swan media at ARKive `` Mute swan media ''. Internet Bird Collection. mtDNA Mute Swan video The mitochondrial DNA sequence of ' Cygnus olor ' translated into music. Mute swan photo gallery at VIREO ( Drexel University ) Poultry Species Chicken Duck Goose Guineafowl Grey partridge Pheasant Domestic pigeon Common quail Japanese quail Turkey Breeds Chicken breeds Duck breeds Turkey breeds Goose breeds Pigeon breeds Poultry farming Chicken coop Chicken harvester Free range Free - range eggs Pastured poultry Organic egg production Yarding Hatchery Battery cage Furnished cages Forced molting Debeaking Chick culling Chick sexing Hock burns Blinders ( poultry ), aka Chicken eyeglasses Poultry litter Poultry farming in the United States Taxon identifiers Wd : Q25402 ADW : Cygnus_olor BioLib : 8426 EoL : 913227 GBIF : 2498343 IBC : mute - swan - cygnus - olor iNaturalist : 6921 ITIS : 174985 IUCN : 22679839 NCBI : 8869 ARKive : mute - swan / cygnus - olor WoRMS : 159090 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Mute_swan&oldid=808044140 '' Categories : IUCN Red List least concern species Cygnus ( genus ) Swans Birds of Asia Birds of Europe Birds of Kazakhstan Birds of North America Birds of Western Asia Birds described in 1789 Hidden categories : Articles containing Ancient Greek - language text Use dmy dates from May 2016 Articles with ' species ' microformats Articles needing more detailed references All articles with unsourced statements Articles with unsourced statements from September 2011 Articles with unsourced statements from December 2012 Articles with unsourced statements from October 2016 ARKive links Articles containing video clips Talk Contents About Wikipedia Wikispecies Адыгэбзэ Afrikaans Alemannisch Asturianu Azərbaycanca Башҡортса Беларуская भोजपुरी Български Brezhoneg Català Cebuano Čeština Cymraeg Dansk Davvisámegiella Deutsch Dolnoserbski Eesti Español Esperanto Euskara فارسی Føroyskt Français Frysk Gaeilge Gàidhlig Galego 한국어 Հայերեն Hornjoserbsce Hrvatski Bahasa Indonesia Interlingua Íslenska Italiano עברית Kaszëbsczi Қазақша Kurdî Кырык мары Latviešu Lietuvių Livvinkarjala Magyar Македонски मराठी မြန်မာဘာသာ Nederlands 日本 語 Nordfriisk Norsk Norsk nynorsk Occitan پنجابی Piemontèis Polski Português Română Русский Scots Simple English Slovenčina Slovenščina Српски / srpski Srpskohrvatski / српскохрватски Suomi Svenska தமிழ் Türkçe Українська Tiếng Việt Winaray Žemaitėška 中文 Edit links This page was last edited on 31 October 2017, at 15 : 04. 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Question: where do mute swans go in the winter
Answer: as far south as north Africa and the Mediterranean