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Pato , also called juego del pato ( Spanish pronunciation: [ˈxweɣo ðel ˈpato] , literally "duck game"), is a game played on horseback that combines elements from polo and basketball . Since 1953 it has been the national sport of Argentina .

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66-439: Pato is Spanish for " duck ", as early games used a live duck inside a basket instead of a ball. Accounts of early versions of pato have been written since 1610. The playing field would often stretch the distance between neighboring estancias (ranches). The first team to reach its own casco (ranch house) with the duck would be declared the winner. Pato was banned several times during its history because of

132-450: A duck squatting on land cannot react to fly or move quickly, "a sitting duck" has come to mean "an easy target". These ducks may be contaminated by pollutants such as PCBs . Ducks have many economic uses, being farmed for their meat, eggs, and feathers (particularly their down ). Approximately 3 billion ducks are slaughtered each year for meat worldwide. They are also kept and bred by aviculturists and often displayed in zoos. Almost all

198-552: A few eggs hatch after the mother has abandoned the nest and led her ducklings to water. Female mallard ducks (as well as several other species in the genus Anas , such as the American and Pacific black ducks , spot-billed duck , northern pintail and common teal ) make the classic "quack" sound while males make a similar but raspier sound that is sometimes written as "breeeeze", but, despite widespread misconceptions, most species of duck do not "quack". In general, ducks make

264-400: A group of aquatic birds found in much of North America and northern Eurasia . All living species of loons are members of the genus Gavia , family Gaviidae and order Gaviiformes . Loons, which are the size of large ducks or small geese , resemble these birds in shape when swimming. Like ducks and geese, but unlike coots (which are Rallidae ) and grebes ( Podicipedidae ),

330-406: A necropsy of a bald eagle found floating on a Maine lake (beside the floating body of a loon chick) found that the eagle had been stabbed through the heart by an adult loon's beak. Biologists , especially from Chapman University , have extensively studied the mating behaviour of the common loon ( G. immer ). Contrary to popular belief, pairs seldom mate for life . Indeed, a typical adult loon

396-489: A range of calls , including whistles, cooing, yodels and grunts. For example, the scaup – which are diving ducks – make a noise like "scaup" (hence their name). Calls may be loud displaying calls or quieter contact calls. A common urban legend claims that duck quacks do not echo; however, this has been proven to be false. This myth was first debunked by the Acoustics Research Centre at

462-405: A single common ancestral species), since swans and geese are not considered ducks. Ducks are mostly aquatic birds , and may be found in both fresh water and sea water. Ducks are sometimes confused with several types of unrelated water birds with similar forms, such as loons or divers, grebes , gallinules and coots . The word duck comes from Old English dūce 'diver', a derivative of

528-433: A spear-shaped bill. Males are larger on average, but relative size is only apparent when the male and female are together. In winter, plumage is dark grey above, with some indistinct lighter mottling on the wings, and a white chin, throat and underside. The specific species can then be distinguished by certain features, such as the size and colour of the head, neck, back and bill. But reliable identification of loons in winter

594-409: A squirming frog. To avoid injury when digging into sediment it has no cere , but the nostrils come out through hard horn. The Guardian published an article advising that ducks should not be fed with bread because it damages the health of the ducks and pollutes waterways. Ducks generally only have one partner at a time , although the partnership usually only lasts one year. Larger species and

660-523: A tribe (Dendrocygnini) in the subfamily Anatinae or the subfamily Anserinae, or to their own subfamily (Dendrocygninae) or family (Dendrocyganidae). The freckled duck of Australia is either the sole member of the tribe Stictonettini in the subfamily Anserinae, or in its own family, the Stictonettinae. The shelducks make up the tribe Tadornini in the family Anserinae in some classifications, and their own subfamily, Tadorninae, in others, while

726-456: A variety of subfamilies and 'tribes'. The number and composition of these subfamilies and tribes is the cause of considerable disagreement among taxonomists. Some base their decisions on morphological characteristics , others on shared behaviours or genetic studies. The number of suggested subfamilies containing ducks ranges from two to five. The significant level of hybridisation that occurs among wild ducks complicates efforts to tease apart

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792-402: Is moulted in summer to give a more female-like appearance, the "eclipse" plumage. Southern resident species typically show less sexual dimorphism , although there are exceptions such as the paradise shelduck of New Zealand , which is both strikingly sexually dimorphic and in which the female's plumage is brighter than that of the male. The plumage of juvenile birds generally resembles that of

858-431: Is a completely indigenous game, while football was imported. Duck See text Duck is the common name for numerous species of waterfowl in the family Anatidae . Ducks are generally smaller and shorter-necked than swans and geese , which are members of the same family. Divided among several subfamilies, they are a form taxon ; they do not represent a monophyletic group (the group of all descendants of

924-608: Is also found in tubenoses ( Procellariiformes ) and penguins (Sphenisciformes), both relatives of the loons. Loons are excellent swimmers, using their feet to propel themselves above and under water. However, since their feet are located far back on the body, loons have difficulty walking on land, though they can effectively run short distances to reach water when frightened. Thus, loons avoid coming to land, except for mating and nesting. Loons fly strongly, though they have high wing loading (mass to wing area ratio), which complicates takeoff. Indeed, most species must run upwind across

990-481: Is likely to have several mates during its lifetime because of territorial takeover. Each breeding pair must frequently defend its territory against "floaters" (territory-less adults) trying to evict at least one owner and seize the breeding site. Territories that have produced chicks in the past year are especially prone to takeovers, because nonbreeding loons use chicks as cues to indicate high-quality territories. One-third of all territorial evictions among males result in

1056-423: Is often difficult even for experts – particularly as the smaller immature birds look similar to winter-plumage adults, making size an unreliable means of identification. Gaviiformes are among the few groups of birds in which the young moult into a second coat of down feathers after shedding the first one, rather than growing juvenile feathers with downy tips that wear off, as is typical in many birds. This trait

1122-403: Is sometimes labelled as a duckling. A male is called a drake and the female is called a duck, or in ornithology a hen. All ducks belong to the biological order Anseriformes , a group that contains the ducks, geese and swans, as well as the screamers , and the magpie goose . All except the screamers belong to the biological family Anatidae . Within the family, ducks are split into

1188-399: The pato so rival players have a chance of tugging the pato and stealing it. Not extending the arm while riding with the pato is an offense called negada (refusal). During the tug itself, or cinchada , both players must stand on the stirrups and avoid sitting on the saddle , while the hand not involved in the tugging must hold the reins . The tug is usually

1254-522: The Chatham duck , a species with reduced flying capabilities which went extinct shortly after its island was colonised by Polynesian settlers. It is probable that duck eggs were gathered by Neolithic hunter-gathers as well, though hard evidence of this is uncommon. In many areas, wild ducks (including ducks farmed and released into the wild) are hunted for food or sport, by shooting, or by being trapped using duck decoys . Because an idle floating duck or

1320-729: The Galápagos Islands , where they are often vagrants and less often residents . A handful are endemic to such far-flung islands. Some duck species, mainly those breeding in the temperate and Arctic Northern Hemisphere, are migratory; those in the tropics are generally not. Some ducks, particularly in Australia where rainfall is erratic, are nomadic, seeking out the temporary lakes and pools that form after localised heavy rain. Ducks eat food sources such as grasses , aquatic plants, fish, insects, small amphibians, worms, and small molluscs . Dabbling ducks feed on

1386-566: The Late Miocene . Study of the interrelationships of the extant species has found that the red-throated loons are the most basal of the five species. Gavia stellata G. arctica G. pacifica G. immer G. adamsii † Gavia egeriana † G. schultzi † G. howardae G. stellata † G. brodkorbi † G. paradoxa † G. moldavica † G. concinna G. arctica G. pacifica † G. fortis G. adamsii G. immer Nearly ten prehistoric species have been named to date in

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1452-529: The Late Pliocene of Orciano Pisano , Italy , is known from a cervical vertebra that may or may not have been from a loon. If so, it was from a bird slightly smaller than the common loon . Older authors were quite sure the bone was indeed from a Gavia and even considered G. concinna a possibly junior synonym of it. This is now regarded as rather unlikely due to the quite distinct range and age. The Early Pliocene Gavia skull from Empoli (Italy)

1518-576: The University of Salford in 2003 as part of the British Association 's Festival of Science. It was also debunked in one of the earlier episodes of the popular Discovery Channel television show MythBusters . Ducks have many predators. Ducklings are particularly vulnerable, since their inability to fly makes them easy prey not only for predatory birds but also for large fish like pike , crocodilians , predatory testudines such as

1584-493: The alligator snapping turtle , and other aquatic hunters, including fish-eating birds such as herons . Ducks' nests are raided by land-based predators, and brooding females may be caught unaware on the nest by mammals, such as foxes , or large birds, such as hawks or owls . Adult ducks are fast fliers, but may be caught on the water by large aquatic predators including big fish such as the North American muskie and

1650-502: The smew ( Mergellus albellus ). This small sea-duck is quite unrelated to loons and just happens to be another black-and-white seabird which swims and dives for fish. It is not likely that the ancient Romans had much knowledge of loons, as these are limited to more northern latitudes and since the end of the last glacial period seem to have occurred only as rare winter migrants in the Mediterranean region. The term gavia

1716-418: The steamer ducks are either placed in the family Anserinae in the tribe Tachyerini or lumped with the shelducks in the tribe Tadorini. The perching ducks make up in the tribe Cairinini in the subfamily Anserinae in some classifications, while that tribe is eliminated in other classifications and its members assigned to the tribe Anatini. The torrent duck is generally included in the subfamily Anserinae in

1782-562: The European pike . In flight, ducks are safe from all but a few predators such as humans and the peregrine falcon , which uses its speed and strength to catch ducks. Humans have hunted ducks since prehistoric times. Excavations of middens in California dating to 7800 – 6400 BP have turned up bones of ducks, including at least one now-extinct flightless species. Ducks were captured in "significant numbers" by Holocene inhabitants of

1848-1121: The South Baltic and directly over land to the Black Sea or Mediterranean. Loons can live as long as 30 years and can hold their breath for as long as 90 seconds while underwater. Loons are migratory birds, and in the winter months they move from their northern freshwater lake nesting habitats to southern marine coastlines. They are well-adapted to this change in salinity, however, because they have special salt glands located directly above their eyes. These glands filter out salts in their blood and flush this salty solution out through their nasal passages, which allows them to immediately consume fish from oceans and drink saltwater after their long migration. Loons find their prey by sight. They eat mainly fish , supplemented with amphibians , crustaceans and similar mid-sized aquatic fauna . Specifically, they have been noted to feed on crayfish , frogs , snails , salamanders and leeches . They prefer clear lakes because they can more easily see their prey through

1914-422: The ball through a vertically positioned ring (as opposed to the horizontal rim used in basketball). The rings have a 100 cm (3.3 ft) diameter, and are located atop 240 cm (7.9 ft) high poles. A closed net, extending for 140 cm (4.6 ft), holds the ball after goals are scored. The winner is the team with most goals scored after regulation time (six 8-minute "periods"). The dimensions of

1980-573: The bones of frogs and salamanders. The gastroliths may also be involved in stomach cleaning as an aid to regurgitation of indigestible food parts. Loons may inadvertently ingest small lead pellets, released by anglers and hunters, that will contribute to lead poisoning and the loon's eventual death. Jurisdictions that have banned the use of lead shot and sinkers include but are not limited to Maine , New Hampshire , Vermont , Michigan , some areas of Massachusetts , Yellowstone National Park , Canada , Great Britain , and Denmark . Loons nest during

2046-535: The coat of arms of Lubāna ( Latvia ) and the coat of arms of Föglö ( Åland ). In 2002, psychologist Richard Wiseman and colleagues at the University of Hertfordshire , UK , finished a year-long LaughLab experiment, concluding that of all animals, ducks attract the most humor and silliness; he said, "If you're going to tell a joke involving an animal, make it a duck." The word "duck" may have become an inherently funny word in many languages, possibly because ducks are seen as silly in their looks or behavior. Of

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2112-590: The death of the owner; in contrast, female loons usually survive. Birds that are displaced from a territory but survive usually try to re-mate and (re)claim a breeding territory later in life. In 2020, a loon hatched for the first time in over a century in Southeastern Massachusetts at Fall River, the Massachusetts Division of Fisheries and Wildlife and Biodiversity Research Institute. The chicks were relocated in 2015 with

2178-469: The diving ducks are heavier than dabbling ducks, and therefore have more difficulty taking off to fly. A few specialized species such as the mergansers are adapted to catch and swallow large fish. The others have the characteristic wide flat bill adapted to dredging -type jobs such as pulling up waterweed, pulling worms and small molluscs out of mud, searching for insect larvae, and bulk jobs such as dredging out, holding, turning head first, and swallowing

2244-993: The duck being described as a fierce fighter. This led to the duck becoming the nickname and mascot for the eventual National Hockey League professional team of the Anaheim Ducks , who were founded with the name the Mighty Ducks of Anaheim. The duck is also the nickname of the University of Oregon sports teams as well as the Long Island Ducks minor league baseball team. Loon Family-level: Colymbidae Vigors , 1825 (but see text ) Colymbinae Bonaparte , 1831 (but see text ) Urinatores Vieillot , 1818 Urinatoridae Vieillot, 1818 Urinatorides Vieillot, 1818 Genus-level: Colymbus Linnaeus , 1758 (but see text ) Urinator Lacépède , 1799 Loons ( North American English ) or divers ( British / Irish English ) are

2310-1209: The eggs are lost, the pair may re-nest, usually in a different location. Since the nest is very close to the water, rising water may induce the birds to slowly move the nest upwards, over a metre. Despite the roughly equal participation of the sexes in nest building and incubation, analysis has shown clearly that males alone select the location of the nest. This pattern has the important consequence that male loons, but not females, establish significant site-familiarity with their territories that allows them to produce more chicks there over time. Sex-biased site-familiarity might explain, in part, why resident males fight so hard to defend their territories. Most clutches consist of two eggs, which are laid in May or June, depending upon latitude. Loon chicks are precocial , able to swim and dive right away, but will often ride on their parents' back during their first two weeks to rest, conserve heat, and avoid predators. Chicks are fed mainly by their parents for about six weeks but gradually begin to feed themselves over time. By 11 or 12 weeks, chicks gather almost all of their own food and have begun to fly. In 2019,

2376-495: The entire population of the country are avid football fans and players, it is estimated that 90% of Argentines have not seen a pato match, and there are only a few thousand players of the game. In light of this, a bill was introduced in the Argentine legislature in 2010 to elevate football to the status of national sport and reduce pato to a traditional sport. Defenders of pato ' s official status point out that it

2442-536: The female. Female ducks have evolved to have a corkscrew shaped vagina to prevent rape. Ducks have a cosmopolitan distribution , and are found on every continent except Antarctica. Several species manage to live on subantarctic islands, including South Georgia and the Auckland Islands . Ducks have reached a number of isolated oceanic islands, including the Hawaiian Islands , Micronesia and

2508-423: The field are: length 180 to 220 m (196.9 to 240.6 yd), width 80 to 90 m (87 to 98 yd). The ball is made of leather, with an inflated rubber chamber and six leather handles. Its diameter is 40 cm (15.7 in) handle-to-handle and its weight is 1050 to 1250 g (2.3 to 2.8 lbs). The player that has control of the pato (i.e. holds the ball by a handle) must ride with his right arm outstretched, offering

2574-404: The future nest site, and build their nests close to the water, preferring sites that are completely surrounded by water such as islands or emergent vegetation. Loons use a variety of materials to build their nests including aquatic vegetation, pine needles, leaves, grass, moss and mud. Sometimes, nest material is almost lacking. Both male and female build the nest and incubate jointly for 28 days. If

2640-402: The geese and swans. The body shape of diving ducks varies somewhat from this in being more rounded. The bill is usually broad and contains serrated pectens , which are particularly well defined in the filter-feeding species. In the case of some fishing species the bill is long and strongly serrated. The scaled legs are strong and well developed, and generally set far back on the body, more so in

2706-531: The genus Gavia , and about as many undescribed ones await further study. The genus is known from the Early Miocene onwards, and the oldest members are rather small (some are smaller than the red-throated loon ). Throughout the late Neogene , the genus by and large follows Cope's Rule (that population lineages tend to increase in body size over evolutionary time). List of fossil Gavia species List of fossil Gavia specimens "Gavia" portisi from

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2772-743: The genus Gavia . It has been suggested that the genus Gavia originated in Europe during the Paleogene . The earliest species, G. egeriana , was found in early Miocene deposits in Dolnice in the Czech Republic. During the remainder of the Miocene , Gavia managed to disperse into North America via the Atlantic coastlines, eventually making their way to the continent's Pacific coastlines by

2838-414: The genus name to refer to grebes, while Europeans used it for loons, following Nicholas Aylward Vigors and Richard Bowdler Sharpe . The International Commission on Zoological Nomenclature tried to settle this issue in 1956 by declaring Colymbus a suppressed name unfit for further use and establishing Gavia , created by Johann Reinhold Forster in 1788, as the valid genus name for the loons. However,

2904-494: The head droops more than in similar aquatic birds. Male and female loons have identical plumage , which is largely patterned black-and-white in summer, with grey on the head and neck in some species. All have a white belly. This resembles many sea-ducks (Merginae) – notably the smaller goldeneyes ( Bucephala ) – but is distinct from most cormorants, which rarely have white feathers, and if so, usually as large rounded patches rather than delicate patterns. All species of loons have

2970-514: The highly aquatic species. The wings are very strong and are generally short and pointed, and the flight of ducks requires fast continuous strokes, requiring in turn strong wing muscles. Three species of steamer duck are almost flightless, however. Many species of duck are temporarily flightless while moulting ; they seek out protected habitat with good food supplies during this period. This moult typically precedes migration . The drakes of northern species often have extravagant plumage , but that

3036-534: The hopes of re-establishing breeding and nesting patterns. The European Anglophone name "diver" comes from the bird's habit of catching fish by swimming calmly along the surface and then abruptly plunging into the water. The North American name "loon" likely comes from either the Old English word lumme , meaning lummox or awkward person, or the Scandinavian word lum meaning lame or clumsy. Either way,

3102-554: The loon's toes are connected by webbing . The loons may be confused with the cormorants (Phalacrocoracidae), but can be distinguished from them by their distinct call. Cormorants are not-too-distant relatives of loons, and like them are heavy-set birds whose bellies, unlike those of ducks and geese, are submerged when swimming. Loons in flight resemble plump geese with seagulls ' wings that are relatively small in proportion to their bulky bodies. The bird points its head slightly upwards while swimming, but less so than cormorants. In flight,

3168-623: The lower Ohio River valley, suggesting they took advantage of the seasonal bounty provided by migrating waterfowl. Neolithic hunters in locations as far apart as the Caribbean, Scandinavia, Egypt, Switzerland, and China relied on ducks as a source of protein for some or all of the year. Archeological evidence shows that Māori people in New Zealand hunted the flightless Finsch's duck , possibly to extinction, though rat predation may also have contributed to its fate. A similar end awaited

3234-461: The many ducks in fiction , many are cartoon characters, such as Walt Disney 's Donald Duck , and Warner Bros. ' Daffy Duck . Howard the Duck started as a comic book character in 1973 and was made into a movie in 1986. The 1992 Disney film The Mighty Ducks , starring Emilio Estevez , chose the duck as the mascot for the fictional youth hockey team who are protagonists of the movie, based on

3300-406: The monotypic tribe Merganettini, but is sometimes included in the tribe Tadornini. The pink-eared duck is sometimes included as a true duck either in the tribe Anatini or the tribe Malacorhynchini, and other times is included with the shelducks in the tribe Tadornini. The overall body plan of ducks is elongated and broad, and they are also relatively long-necked, albeit not as long-necked as

3366-709: The more sedentary species (like fast-river specialists) tend to have pair-bonds that last numerous years. Most duck species breed once a year, choosing to do so in favourable conditions ( spring /summer or wet seasons). Ducks also tend to make a nest before breeding, and, after hatching, lead their ducklings to water. Mother ducks are very caring and protective of their young, but may abandon some of their ducklings if they are physically stuck in an area they cannot get out of (such as nesting in an enclosed courtyard ) or are not prospering due to genetic defects or sickness brought about by hypothermia, starvation, or disease. Ducklings can also be orphaned by inconsistent late hatching where

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3432-468: The most exciting part of the game. Pato is similar to the game of horseball played in France , Portugal , and other countries. Pato is played competitively and also by amateurs, mostly in weekend fairs which usually include doma (Argentine rodeo). Its status as the national game of Argentina has been challenged by association football , which is much more widespread. While virtually

3498-506: The name refers to the loon's poor ability to walk on land. Another possible derivation is from the Norwegian word lom for these birds, which comes from Old Norse lómr , possibly cognate with English "lament", referring to the characteristic plaintive sound of the loon. The scientific name Gavia refers to seabirds in general. The scientific name Gavia was the Latin term for

3564-477: The relationships between various species. In most modern classifications, the so-called 'true ducks' belong to the subfamily Anatinae, which is further split into a varying number of tribes. The largest of these, the Anatini, contains the 'dabbling' or 'river' ducks – named for their method of feeding primarily at the surface of fresh water. The 'diving ducks', also named for their primary feeding method, make up

3630-451: The situation was not completely resolved even then, and the following year the ICZN had to act again to prevent Louis Pierre Vieillot 's 1818 almost-forgotten family name Urinatoridae from overruling the much younger Gaviidae. Some eminent ornithologists such as Pierce Brodkorb tried to keep the debate alive, but the ICZN's solution has been satisfactory. All living species are placed in

3696-437: The summer on freshwater lakes and/or large ponds. Smaller bodies of water (up to 0.5 km ) will usually only have one pair. Larger lakes may have more than one pair, with each pair occupying a bay or section of the lake. The red-throated loon, however, may nest colonially, several pairs close together, in small Arctic tarns and feed at sea or in larger lakes, ferrying the food in for the young. Loons mate on land, often on

3762-431: The surface of water or on land, or as deep as they can reach by up-ending without completely submerging. Along the edge of the bill, there is a comb-like structure called a pecten . This strains the water squirting from the side of the bill and traps any food. The pecten is also used to preen feathers and to hold slippery food items. Diving ducks and sea ducks forage deep underwater. To be able to submerge more easily,

3828-461: The tribe Aythyini. The 'sea ducks' of the tribe Mergini are diving ducks which specialise on fish and shellfish and spend a majority of their lives in saltwater. The tribe Oxyurini contains the 'stifftails', diving ducks notable for their small size and stiff, upright tails. A number of other species called ducks are not considered to be 'true ducks', and are typically placed in other subfamilies or tribes. The whistling ducks are assigned either to

3894-568: The varieties of domestic ducks are descended from the mallard ( Anas platyrhynchos ), apart from the Muscovy duck ( Cairina moschata ). The Call duck is another example of a domestic duck breed. Its name comes from its original use established by hunters, as a decoy to attract wild mallards from the sky, into traps set for them on the ground. The call duck is the world's smallest domestic duck breed, as it weighs less than 1 kg (2.2 lb). Ducks appear on several coats of arms , including

3960-553: The verb * dūcan 'to duck, bend down low as if to get under something, or dive', because of the way many species in the dabbling duck group feed by upending; compare with Dutch duiken and German tauchen 'to dive'. This word replaced Old English ened / ænid 'duck', possibly to avoid confusion with other words, such as ende 'end' with similar forms. Other Germanic languages still have similar words for duck , for example, Dutch eend , German Ente and Norwegian and . The word ened / ænid

4026-398: The violence—not only to the duck; many gauchos were trampled underfoot, and many more died in knife fights started in the heat of the game. In 1796, a Catholic priest insisted that pato players who died in such a way should be denied Christian burial. Government ordinances forbidding the practice of pato were common throughout the 19th century. During the 1930s, pato

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4092-489: The water's surface with wings flapping to generate sufficient lift to take flight. Only the red-throated loon ( G. stellata ) can take off from land. Once airborne, loons are capable of long flights during migration. Scientists from the U.S. Geological Survey, who have implanted satellite transmitters in some individuals, have recorded daily flights of up to 1078 km in a 24-hour period, which probably resulted from single movements. North European loons migrate primarily via

4158-419: The water. The loon uses its pointy bill to stab or grasp prey. They eat vertebrate prey headfirst to facilitate swallowing, and swallow all their prey whole. To help digestion, loons swallow small pebbles from the bottoms of lakes. Similar to grit eaten by chickens , these gastroliths may assist the loon's gizzard in crushing the hard parts of the loon's food such as the exoskeletons of crustaceans and

4224-407: Was inherited from Proto-Indo-European ; cf. Latin anas "duck", Lithuanian ántis 'duck', Ancient Greek νῆσσα / νῆττα ( nēssa / nētta ) 'duck', and Sanskrit ātí 'water bird', among others. A duckling is a young duck in downy plumage or baby duck, but in the food trade a young domestic duck which has just reached adult size and bulk and its meat is still fully tender,

4290-422: Was regulated through the efforts of ranch owner Alberto del Castillo Posse, who drafted a set of rules inspired by modern polo . The game gained legitimacy, to the point that President Juan Perón declared pato to be Argentina's national game in 1953. In modern pato , two four-member teams riding on horses fight for possession of a ball which has six conveniently-sized handles, and score by throwing

4356-523: Was transferred from the ducks to the loons only in the 18th century. Earlier naturalists referred to the loons as mergus (the Latin term for diving seabirds of all sorts) or colymbus , which became the genus name used in the first modern scientific description of a Gavia species (by Carl Linnaeus ) in 1758. Unfortunately, confusion about whether Linnaeus' " wastebin genus " Colymbus referred to loons or grebes abounded. North American ornithologists used

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