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107-689: Armand Bayou Nature Center is an urban preserve located in Pasadena and southeast Houston between the Johnson Space Center and the Bayport Industrial District . The 2,500-acre (10 km) nature center is the largest urban wilderness preserve in the United States . The nature center is home to more than 370 species of birds, mammals, reptiles, and amphibians. Over 220 species of birds reside or rely on

214-500: A Built-up area (BUA) as an area of built-up land of at least 20 hectares (0.077 sq mi), separated from other settlements by at least 200 metres (660 ft). For 2011 census data there are 5,493 built-up areas, of which 501 are divided into Built-up area sub-divisions (BUASD) for which data is also available. Each built-up area is named algorithmically, using Ordnance Survey place-name data. The ONS has produced census results from urban areas since 1951, since 1981 based upon

321-457: A human impact on the environment . In 1950, 764 million people or about 30 percent of the world's 2.5 billion people lived in urban areas. By 2014, it was 3.9 billion or about 53 percent of the world's 7.3 billion people that lived in urban areas. The change was driven by a combination of increased total population and increased percent of population living in urban areas. In 2009, the number of people living in urban areas (3.42 billion) surpassed

428-494: A brown bear or a pack of wolves. The rutting, or mating, season lasts from June through September, with peak activity in July and August. At this time, the older bulls rejoin the herd, and fights often take place between bulls. The herd exhibits much restlessness during breeding season. The animals are belligerent, unpredictable, and most dangerous. American bison live in river valleys and on prairies and plains. Typical habitat

535-480: A building at least every 200 m (660 ft) and at least 200 people. To be considered a town or a city ( kaupunki ) for statistical purposes, an urban area must have at least 15,000 people. This is not to be confused with the city / town designation used by municipalities . In France , an urban area ( Fr: aire d'attraction d'une ville ) is a zone encompassing an area of built-up growth (called an "urban unit" ( unité urbaine ) – close in definition to

642-709: A code of ethics that prohibits its members from deliberately crossbreeding bison with any other species. In the United States, many ranchers are now using DNA testing to cull the residual cattle genetics from their bison herds. The proportion of cattle DNA that has been measured in introgressed individuals and bison herds today is typically quite low, ranging from 0.56 to 1.8%. There are also remnant purebred American bison herds on public lands in North America. Two subspecies of bison exist in North America:

749-653: A densely settled core created from census blocks and contiguous qualifying territory that together have at least 2,000 housing units or 5,000 persons." There were 2,646 urban areas identified by the Census Bureau for 2020. 511 of these had a population of 50,000 or more. For the 2000 and 2010 censuses, the Census Bureau differentiated between two kinds of urban areas: urbanized areas and urban clusters. The term urbanized area denoted an urban area of 50,000 or more people. Urban areas under 50,000 people were called urban clusters . Urbanized areas were first delineated in

856-543: A density requirement of 4,000 inhabitants per square kilometre (10,000/sq mi). Seoul is the largest urban area in South Korea . For the Census of India 2011, the definition of urban area is a place having a minimum population of 5,000 of density 400 persons per square kilometre (1,000/sq mi) or higher, and 75% plus of the male working population employed in non-agricultural activities. Places administered by

963-640: A fertile hybrid of bison and domestic cattle. A market even exists for kosher bison meat; these bison are slaughtered at one of the few kosher mammal slaughterhouses in the U.S. and Canada, and the meat is then distributed worldwide. In America, the commercial industry for bison has been slow to develop despite individuals, such as Ted Turner , who have long marketed bison meat. In the 1990s, Turner found limited success with restaurants for high-quality cuts of meat, which include bison steaks and tenderloin. Lower-quality cuts suitable for hamburger and hot dogs have been described as "almost nonexistent". This created

1070-600: A handful of times, the bayou was renamed to Armand Bayou in his memory after his tragic murder in a mugging on the Southwest Freeway in 1970. Yramategui, concerned about the increasing urban growth around Armand Bayou, worked to have the land remain a wilderness. Following Yramategui's death, conservationists worked hard against Friendswood Development Co. to preserve the Bayou. Biological surveys were conducted by biologist Norman Waldo from Rice University, who concluded

1177-514: A large majority of the population, typically 75%, is not engaged in agriculture and/or fishing is sometimes used. Since 2000, China 's cities have expanded at an average rate of 10% annually. It is estimated that China's urban population will increase by 292 million people by 2050, when its cities will house a combined population of over one billion. The country's urbanization rate increased from 17.4% to 46.6% between 1978 and 2009. Between 150 and 200 million migrant workers work part-time in

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1284-643: A marketing problem for commercial farming because the majority of usable meat, about 400 pounds for each bison, is suitable for these products. In 2003, the United States Department of Agriculture purchased $ 10 million worth of frozen overstock to save the industry, which would later recover through better use of consumer marketing. Restaurants have played a role in popularizing bison meat, like Ted's Montana Grill , which added bison to their menus. Ruby Tuesday first offered bison on their menus in 2005. In Canada, commercial bison farming began in

1391-572: A municipal corporation, cantonment board or notified town area committee are automatically considered urban areas. The Census of India 2011 also defined the term "urban agglomeration" as an integrated urban area consisting of a core town together with its "outgrowths" (contiguous suburbs). In Pakistan , an area is a major city and municipality if it has more than 100,000 inhabitants according to census results. Cities include adjacent cantonments . Urbanisation in Pakistan has increased since

1498-507: A number of large cities . The largest conurbation is the Rhine-Ruhr region (11 million in 2008 ), including Düsseldorf (the capital of North Rhine-Westphalia ), Cologne , Bonn , Dortmund , Essen , Duisburg , and Bochum . The Netherlands is the 30th-most densely populated country in the world, with 404.6 inhabitants per square kilometre (1,048/sq mi)—or 497 inhabitants per square kilometre (1,287/sq mi) if only

1605-579: A population centre remains unchanged from that of an urban area: a population of at least 1,000 people where the density is no fewer than 400 persons per km . Mexico is one of many countries where the urbanization rate is at least 80%. Mexico City , its capital, is the largest urban area in the country. In the United States , the Census Bureau defines urban areas and delineates urban area boundaries after each census. The Bureau defines an urban area as "a statistical geographic entity consisting of

1712-413: A specialized stomach prior to digestion. Bison were once thought to almost exclusively consume grasses and sedges, but are now known to consume a wide-variety of plants including woody plants and herbaceous eudicots. Over the course of the year, bison shift which plants they select in their diet based on which plants have the highest protein or energy concentrations at a given time and will reliably consume

1819-409: A suburb of another urban area rather than as a self-contained urban entity, or is geographically remote from other urban communities. Accordingly, the new definition set out three distinct types of population centres: small (population 1,000 to 29,999), medium (population 30,000 to 99,999) and large (population 100,000 or greater). Despite the change in terminology, however, the demographic definition of

1926-428: Is 'irreversibly urban in character', meaning that they are characteristic of a town or city. They include areas of built-up land with a minimum of 20 hectares (200,000 m ; 49 acres). Any areas [separated by] less than 200 metres [of non-urban space] are linked to become a single built-up area. Argentina and Japan are countries where the urbanization rate is over 90% while Australia, Brazil, Canada, Chile, Mexico and

2033-518: Is a common behavior of bison. A bison wallow is a shallow depression in the soil, either wet or dry. Bison roll in these depressions, covering themselves with mud or dust. Possible explanations suggested for wallowing behavior include grooming behavior associated with moulting, male-male interaction (typically rutting behavior), social behavior for group cohesion, play behavior, relief from skin irritation due to biting insects, reduction of ectoparasite load ( ticks and lice ), and thermoregulation. In

2140-473: Is also considered correct as a result of standard usage in American English, and is listed in many dictionaries as an acceptable name for American buffalo or bison. "Buffalo" has a much longer history than "bison", which was first recorded in 1774. Bison was a significant resource for indigenous peoples of North America for food and raw materials until near extinction in the late 19th century. For

2247-493: Is an area with a population of at least 1,000 people where the density is no fewer than 400 persons per square kilometre (1,000/sq mi). If two or more urban areas are within 2 km (1.2 mi) of each other by road, they are merged into a single urban area, provided they do not cross census metropolitan area or census agglomeration boundaries. In the Canada 2011 Census , Statistics Canada redesignated urban areas with

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2354-421: Is considered to be rural by the Census Bureau. The largest urban area in the United States is that of New York City and its surrounding suburbs. The New York– Jersey City – Newark , NY–NJ urban area had a population of 19,426,449 as of 2020, while the larger metropolitan area had a population of 20,140,470, and the combined statistical area had a population of 23,582,649. The next five largest urban areas in

2461-686: Is divided into 5 regions for planning purposes by the URA, even though as a city state Singapore is defined as a single continuous urban area. It is further subdivided into 55 urban planning areas , which acts as the boundaries of planned towns within the country. In Vietnam , there are six types of urban areas: Bangkok is the largest urban area in Thailand . As in other Nordic countries , an urban area ( taajama in Finnish ) in Finland must have

2568-645: Is found in Europe and the Caucasus , reintroduced after being extinct in the wild . While bison species have been traditionally classified in their own genus , modern genetics indicates that they are nested within the genus Bos , which includes, among others, cattle, yaks and gaur , being most closely related to yaks. Bison are sometimes bred with domestic cattle and produce offspring called beefalo , in North America, or żubroń , in Poland. The American bison and

2675-665: Is found on the plains around the Henry Mountains , Utah , as well as in mountain valleys of the Henry Mountains to an altitude of 3,000 metres (10,000 ft). European bison most commonly live in lightly wooded to fully wooded areas as well as areas with increased shrubs and bushes. European bison can sometimes be found living on grasslands and plains as well. Throughout most of their historical range, landowners have sought restrictions on free-ranging bison. Herds on private land are required to be fenced in. In

2782-550: Is highly urbanized. The ten largest metropolitan areas account for half of the population, and fewer than one in ten live in rural areas. About 3 million people live in Buenos Aires City and the Greater Buenos Aires metropolitan area totals around 15 million, making it one of the largest urban areas in the world, with a population of 18 million all up. Córdoba has around 1.5 million people living in

2889-499: Is low. Reproduction is dependent on a cow's mass and age. Heavier cows produce heavier calves (weighed in the fall at weaning), and weights of calves are lower for older cows (after age 8). Owing to their size, bison have few predators. Five exceptions are humans , grey wolves , cougars , grizzly bears , and coyotes . Wolves generally take down a bison while in a pack, but cases of a single wolf killing bison have been reported. Grizzly bears also consume bison, often by driving off

2996-952: Is one of the most urbanised countries in the world, with more than 50% of the population residing in Australia's three biggest urban centres. Statistics New Zealand defines urban areas in New Zealand, which are independent of any administrative subdivisions and have no legal basis. There are four classes of urban area: major urban areas (population 100,000+), large urban areas (population 30,000–99,999), medium urban areas (population 10,000–29,999) and small urban areas (population 1,000–9,999). As of 2021, there are 7 major urban areas, 13 large urban areas, 22 medium urban areas and 136 small urban areas. Urban areas are reclassified after each New Zealand census , so population changes between censuses does not change an urban area's classification. According to Statistics Canada , an urban area in Canada

3103-512: Is open or semiopen grasslands, as well as sagebrush, semiarid lands, and scrublands. Some lightly wooded areas are also known historically to have supported bison. They also graze in hilly or mountainous areas where the slopes are not steep. Although not particularly known as high-altitude animals, bison in the Yellowstone Park bison herd are frequently found at elevations above 2,400 metres (8,000 ft). The Henry Mountains bison herd

3210-640: Is part of the Great Texas Coastal Birding Trail and one of the coastal preserves designated under the Texas Coastal Preserve Program of the Texas Parks and Wildlife Department . The Armand Bayou area was once occupied by Native Americans, as evidenced by archaeological excavations that uncovered arrowheads, flints and pottery which identify it as a campsite for Nomadic Native American tribes such as

3317-506: Is the largest city by population and area, with a population of 19.10 million. In Bangladesh , there are total 11 City Corporations and 329 Municipal Corporations and 203 Small towns , which serves as the center for Upazilas . According to 2011 population census, Bangladesh has an urban population of 28%, with a growth rate of 2.8%. At this growth rate, it is estimated that the urban population of Bangladesh will reach 79 million or 42% of total population by 2035. In 2020, 54 percent of

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3424-616: Is the namesake of Wood Buffalo National Park in Canada. A third subspecies, the eastern bison ( B. b. pennsylvanicus ) is no longer considered a valid taxon , being a junior synonym of B. b. bison . References to "woods bison" or "wood bison" from the Eastern United States refer to this subspecies, not B. b. athabascae , which was not found in the region. The European bison , B. bonasus , or wisent, or zubr, or colloquially European buffalo,

3531-521: The Antelope Island bison herd are regularly inoculated against brucellosis, parasites, Clostridium infection, infectious bovine rhinotracheitis, and bovine vibriosis. The major illnesses in European bison are foot-and-mouth disease and balanoposthitis . Inbreeding of a small population plays a role in a number of genetic defects and lowers immunity to disease; that poses greater risk to

3638-720: The Henry Mountains bison herd to be free of brucellosis , a bacterial disease that was imported with non-native domestic cattle to North America. In 2021, the American Society of Mammalogists considered Bison to be a subgenus, and placed both bison species back into Bos . Relationships of bovines based on nuclear DNA, after Sinding, et al. 2021. Bubalina (true buffalo) Bos primigenius + Bos taurus (aurochs and cattle) Bos mutus (wild yak) Bison bison (American bison) Bison bonasus (European bison/wisent) Bos javanicus (banteng) Bos gaurus (gaur) Bos sauveli (kouprey) Wallowing

3745-774: The Late Pliocene to Early Pleistocene in Asia. The earliest members of the bison lineage, known from the Late Pliocene to Early Pleistocene of the Indian Subcontinent ( Bison sivalensis ) and China ( Bison palaeosinensis ), approximately 3.4-2.6 million years ago (Ma) are placed in the subgenus Bison ( Eobison ) . The oldest remains of Eobison in Europe are those Bison georgicus found in Dmanisi , Georgia, dated to around 1.76 Ma. More derived members of

3852-565: The U.S. Department of Agriculture 's natural resources inventory , urban areas are officially known as developed areas or urban and built-up areas. Such areas include cities, ethnic villages, other built-up areas of more than 10 ac (4 ha), industrial sites, railroad yards, cemeteries, airports, golf courses, shooting ranges, institutional and public administration sites, and similar areas. The 1997 national resources inventory placed over 98,000,000 ac (40,000,000 ha) in this category, an increase of 25,000,000 ac (10,000,000 ha) since 1982. Argentina

3959-419: The United States , Canada , Brazil , Mexico , Argentina , Chile , Japan and Australia and many other countries where the urbanization rate is over 80%. Unlike an urban area, a metropolitan area includes not only the urban area, but also satellite cities plus intervening rural land that is socio-economically connected to the urban core city, typically by employment ties through commuting , with

4066-551: The bayou 's advocate for the Bayou Preservation Association. Her activism and work through the Bayou Preservation Association, Outdoor Nature Club, and other organizations was instrumental in creating the Nature Center. Founded in 1974, the center consists of a boardwalk through forest and marshes, live animal displays, bison and prairie platforms and butterfly gardens. The center also includes

4173-504: The indigenous peoples of the Plains , it was their principal food source. Native Americans highly valued their relationship with the bison and saw them as sacred, treating them respectfully to ensure their abundance and longevity. In his biography, Lakota teacher and elder John Fire Lame Deer describes the relationship as such: The buffalo gave us everything we needed. Without it we were nothing. Our tipis were made of his skin. His hide

4280-415: The mitochondrial DNA of European bison is more closely related to that of domestic cattle and aurochs (while the mitochondrial DNA of American bison is closely related to that of yaks). This discrepancy is either suggested to be the result of incomplete lineage sorting or ancient introgression . Bison are widely believed to have evolved from a lineage belonging to the extinct genus Leptobos during

4387-807: The plains bison and the wood bison . Herds of importance are found in Yellowstone National Park , Wind Cave National Park in South Dakota , Blue Mounds State Park in Minnesota , Elk Island National Park in Alberta , and Grasslands National Park in Saskatchewan . In 2015, a purebred herd of 350 individuals was identified on public lands in the Henry Mountains of southern Utah via genetic testing of mitochondrial and nuclear DNA. This study, published in 2015, also showed

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4494-644: The "Martyn," "Karankawa," "Marsh," "Lady Bird" (named after Lady Bird Johnson ), and "Prairie" nature trails that allow visitors to see forest, prairie , marsh and natural bayou habitats once common in the Houston and Galveston region. For a complete listing, see list of cities and towns in Houston–The Woodlands–Sugar Land MSA Urban area Urban areas originate through urbanization , and researchers categorize them as cities, towns, conurbations or suburbs . In urbanism ,

4601-594: The 19th and 20th centuries, but have since rebounded. The wisent in part owes its survival to the Chernobyl disaster, as the Chernobyl Exclusion Zone has become a kind of wildlife preserve for wisent and other rare megafauna such as the Przewalski's horse , though poaching has become a threat in recent years. The American Plains bison is no longer listed as endangered , but this does not mean

4708-484: The 19th century, although the causes of decline and the numbers killed are disputed and debated. Railroads were advertising "hunting by rail", where trains encountered large herds alongside or crossing the tracks. Men aboard fired from the train's roof or windows, leaving countless animals to rot where they died. This overhunting was in part motivated by the U.S. government's desire to limit the range and power of indigenous plains Indians whose diets and cultures depended on

4815-652: The American and European bison. The American species has 15 ribs, while the European bison has 14. The American bison has four lumbar vertebrae, while the European has five. (The difference in this case is that what would be the first lumbar vertebra has ribs attached to it in American bison and is thus counted as the 15th thoracic vertebra, compared to 14 thoracic vertebrae in wisent.) Adult American bison are less slim in build and have shorter legs. American bison tend to graze more, and browse less than their European relatives. Their anatomies reflect this behavioural difference;

4922-588: The American bison's head hangs lower than the European's. The body of the American bison is typically hairier, though its tail has less hair than that of the European bison. The horns of the European bison point through the plane of their faces, making them more adept at fighting through the interlocking of horns in the same manner as domestic cattle, unlike the American bison, which favours butting. American bison are more easily tamed than their European cousins, and breed with domestic cattle more readily. The bovine tribe (Bovini) split about 5 to 10 million years ago into

5029-655: The Asian water buffalo and the African buffalo . Samuel de Champlain applied the French term buffle to the bison in 1616 (published 1619), after seeing skins and a drawing shown to him by members of the Nipissing First Nation , who said they travelled 40 days (from east of Lake Huron) to trade with another nation who hunted the animals. Though "bison" might be considered more scientifically correct, "buffalo"

5136-521: The Attakapa, Cohuilletan and Karankawa. They likely hunted and fished in the area until the arrival of European settlers during the mid-19th century. The area was originally called the Middle Bayou and was settled by a small group of families during the mid-19th century. The settlers lived by hunting, fishing and growing produce, then selling it at the markets. At one point, a plantation existed on

5243-732: The DV) of thiamine. The earliest plausible accounts of captive bison are those of the zoo at Tenochtitlan , the Aztec capital, which held an animal the Spaniards called "the Mexican bull". In 1552, Francisco Lopez de Gomara described Plains Indians herding and leading bison like cattle in his controversial book, Historia general de las Indias . Gomara, having never visited the Americas himself, likely misinterpreted early ethnographic accounts as

5350-846: The European bison (wisent) are the largest surviving terrestrial animals in North America and Europe. They are typical artiodactyl (cloven hooved) ungulates, and are similar in appearance to other bovines such as cattle and true buffalo. They are broad and muscular with shaggy coats of long hair. Adults grow up to 2 metres (6 feet 7 inches) in height and 3.5 m (11 ft 6 in) in length for American bison and up to 2.1 m (6 ft 11 in) in height and 2.9 m (9 ft 6 in) in length for European bison. American bison can weigh from around 400 to 1,270 kilograms (880 to 2,800 pounds) and European bison can weigh from 800 to 1,000 kg (1,800 to 2,200 lb). European bison tend to be taller than American bison. Bison are nomadic grazers and travel in herds . The bulls leave

5457-663: The North American urban area) and its commuter belt ( couronne ). Americans would find the INSEE definition of the urban area to be similar to their metropolitan area . The largest cities in France, in terms of urban area population (2017), are Paris (12,628,266), Lyon (2,323,221), Marseille (1,760,653), Toulouse (1,360,829), Bordeaux (1,247,977), Lille (1,191,117), Nice (1,006,201), Nantes (972,828), Strasbourg (790,087) and Rennes (733,320). Germany has

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5564-672: The Northern and Western ones. Urban areas in Sweden ( tätorter ) are statistically defined localities, totally independent of the administrative subdivision of the country. There are 1,956 such localities in Sweden , with a population ranging from 200 to 1,372,000 inhabitants. In 2013 the United Kingdom 's Office for National Statistics (ONS) published 2011 Built-up Areas – Methodology and Guidance which sets out its definition of

5671-617: The Philippine population lived in urban areas. With an estimated population of 16.3 million, Metro Manila is the most populous metropolitan area in the Philippines and the 11th in the world . However, the greater urban area is the 5th largest in the world with a population of 20,654,307 people (2010 estimate). As an island city-state , about 5.6 million people live and work within 700 square kilometres (270 sq mi). With 64 islands and islets , Singapore Island makes up

5778-407: The U.S. are those of Los Angeles , Chicago , Miami , Houston , and Dallas . 80.0 percent of the population of the United States lives within the boundaries of an urban area as of the 2020 census. The concept of Urbanized Areas as defined by the U.S. Census Bureau is often used as a more accurate gauge of the size of a city, since in different cities and states the lines between city borders and

5885-414: The United States are countries where the urbanization rate is between 80% and 90%. There are two measures of the degree of urbanization of a population. The first, urban population, describes the percentage of the total population living in urban areas, as defined by the country. The second measure, rate of urbanization, describes the projected average rate of change of the size of the urban population over

5992-565: The United States in the 1950 census, while urban clusters were added in the 2000 census. The distinction between urbanized areas and urban clusters was removed for the 2020 census. Urban areas consist of a densely-settled urban core, plus surrounding developed areas that meet certain density criteria. Since urban areas are composed of census blocks and not cities, counties, or county-equivalents, urban area boundaries may consist of partial areas of these political units. Urban areas are distinguished from rural areas : any area not part of an urban area

6099-545: The West Ranch property to establish the Manned Spacecraft Center. After this came the development of Bay Area Boulevard in 1967, which cut through the middle of the Middle Bayou and became more accessible to the public. Local farmer Jimmy Martyn owned 28 acres of land that stood in the way of residential development, refusing a $ 500,000 offer from Friendswood until his death in 1964, when his heirs sold

6206-402: The banks of the bayou near Mud Lake called Killkare. Later residents of the Middle Bayou such as oilman Jim West took steps to ensure the land was protected and preserved by purchasing the homes owned by the early white settlers and protecting them as a game preserve. West owned 28,000 acres of land surrounding the bayou until 1930. The Humble Oil and Refining Company, now ExxonMobil , purchased

6313-416: The bison's population to nearly 150,000, and it is officially no longer considered an endangered species . However, from a genetic standpoint, most of these animals are actually hybrids with domestic cattle and only two populations in Yellowstone National Park in the United States and Elk Island National Park in Canada remain as genetically pure bison. These genetically pure animals account for only ~5% of

6420-402: The boundaries of these towns. This distinction may give a misleading impression in some cases, since some localities with only village status may have acquired larger and denser populations than many many smaller towns with most excessive example of Poznań , most spread urban area of the country with population of the city app. 534 thousand and metropolitan area around 1 million inhabitants. On

6527-427: The buffalo herds. The overhunting of the bison reduced their population to hundreds. The American bison's nadir came in 1889, with an estimated population of only 1,091 animals (both wild and captive). Repopulation attempts via enforced protection of government herds and extensive ranching began in 1910 and have continued (with excellent success) to the present day, with some caveats. Extensive farming has increased

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6634-402: The buffalos ( Bubalus and Syncerus ) and a group leading to bison and taurine cattle. Genetic evidence from nuclear DNA indicates that the closest living relatives of bison are yaks , with bison being nested within the genus Bos , rendering Bos without including bison paraphyletic . While nuclear DNA indicates that both extant bison species are each other's closest living relatives,

6741-568: The capital and largest city of Russia , has a population estimated at 12.4 million residents within the city limits, while over 17 million residents in the urban area, and over 20 million residents in the Moscow Metropolitan Area . It is among the world's largest cities , being the most populous city entirely within Europe , the most populous urban area in Europe, the most populous metropolitan area in Europe, and also

6848-531: The center as a safe resting-place on their migratory journeys. White-tailed Deer, Red-shouldered Hawk, Opossum, Crow, Armadillo, Coyote, Raccoon, American Alligator, Tricolored Heron and the rare Purple Martin can be found at the center and surrounding areas throughout the year. Armand Bayou Nature Center lies along the Central Flyway , the largest migratory bird route in North America . The center

6955-498: The currently extant American bison population, reflecting the loss of most of the species' genetic diversity. As of July 2015, an estimated 4,900 bison lived in Yellowstone National Park , the largest U.S. bison population on public land. During 1983–1985 visitors experienced 33 bison-related injuries (range = 10–13/year), so the park implemented education campaigns. After years of success, five injuries associated with bison encounters occurred in 2015, because visitors did not maintain

7062-426: The distance between each building has to be of less than 50 m, although exceptions are made due to parks, industrial areas, rivers, and similar. Groups of houses less than 400 m from the main body of an urban area are included in the urban area. In Poland , official "urban" population figures simply refer to those localities which have the status of towns ( miasta ). The "rural" population is that of all areas outside

7169-563: The extent of irreversible urban development indicated on Ordnance Survey maps. The definition is an extent of at least 20 ha and at least 1,500 census residents. Separate areas are linked if less than 200 m (220 yd) apart. Included are transportation features. The UK has five Urban Areas with a population over a million and a further sixty nine with a population over one hundred thousand . The Australian Bureau of Statistics refers to urban areas as Urban Centres, which it generally defines as population clusters of 1,000 or more people. Australia

7276-627: The females were fertile. The crossbred animals did not demonstrate any form of hybrid vigor , so the practice was abandoned. Wisent-American bison hybrids were briefly experimented with in Germany (and found to be fully fertile) and a herd of such animals is maintained in Russia. A herd of cattle-wisent crossbreeds ( zubron ) is maintained in Poland. First-generation crosses do not occur naturally, requiring caesarean delivery. First-generation males are infertile. The U.S. National Bison Association has adopted

7383-527: The genus are placed in the subgenus Bison ( Bison ), which first appeared towards the end of the Early Pleistocene, around 1.2 Ma, with early members of the subgenus including the widespread Bison schoetensacki . The steppe bison ( Bison priscus ) first appeared during the mid- Middle Pleistocene in eastern Eurasia, and subsequently became widely distributed across Eurasia. During the late Middle Pleistocene, around 195,000-135,000 years ago,

7490-650: The given period of time. According to Urbanization by sovereign state article, the world as a whole is 56.2% urbanized, with roughly one-quarter of the countries reported as greater than 80% urbanized. Data is taken from the U.S. Central Intelligence Agency World Factbook estimates from 2020. According to Demographia, these are the 202 largest urban areas in the world by population (as of 2023): The UN publishes data on cities, urban areas and rural areas, but relies almost entirely on national definitions of these areas. The UN principles and recommendations state that due to different characteristics of urban and rural areas across

7597-584: The global urban population comprised 3.9 billion. The Population Division of the United Nations Department of Economic and Social Affairs at that time predicted the urban population would occupy 68% of the world population by 2050, with 90% of that growth coming from Africa and Asia. Urban areas are created and further developed by the process of urbanization. They are measured for various purposes, including analyzing population density and urban sprawl . Urban areas are also mostly found in

7704-403: The globe, a global definition is not possible. European countries define urbanized areas on the basis of urban-type land use , not allowing any gaps of typically more than 200 metres (220 yd), and use satellite imagery instead of census blocks to determine the boundaries of the urban area. In less-developed countries , in addition to land use and density requirements, a requirement that

7811-527: The herds of females at two or three years of age, and join a herd of males, which usually are smaller than female herds. Mature bulls rarely travel alone. Towards the end of the summer, for the reproductive season, the sexes necessarily commingle. American bison are known for living in the Great Plains , but formerly had a much larger range, including much of the eastern United States and parts of Mexico. Both species were hunted close to extinction during

7918-412: The higher quality forage that regrows after the burn. Wisent tend to browse on shrubs and low-hanging trees more often than do the American bison, which prefer grass to shrubbery and trees. Female bison ("cows") typically reproduce after three years of age and can continue beyond 19 years of age. Cows produce calves annually as long as their nutrition is sufficient, but not after years when weight gain

8025-478: The horns borne by both males and females, but their massive heads can be used as battering rams, effectively using the momentum produced by what is a typical weight of 900 to 1,200 kilograms (2,000 to 2,700 lb) moving at 50 km/h (30 mph). The hind legs can also be used to kill or maim with devastating effect. In the words of early naturalists, they were dangerous, savage animals that feared no other animal and in prime condition could best any foe except for

8132-494: The land area is counted. The Randstad is the country's largest conurbation located in the west of the country and contains the four largest cities: Amsterdam, Rotterdam , The Hague , and Utrecht . The Randstad has a population of 7 million inhabitants and is the 6th largest metropolitan area in Europe. Norway defines urban areas ("tettsteder") similarly to the other Nordic countries . Unlike in Denmark and Sweden,

8239-572: The land for its natural gas and oil resources for $ 8,500,000 plus royalties. In 1962, 15,000 acres for residential development and 7,250 acres for industrial development were placed under the control of the Friendswood Developmental Company, a subsidiary of Humble Oil. Residential real estate development began in 1962, when the National Aeronautics and Space Administration (NASA) used nearly 1700 acres of

8346-551: The land would be ideal for nesting birds to remain indefinitely. Victor Emanuel of the Audubon Society said the region was "like a centerpiece on a table, it enhances the whole area." Lawrence Dexter of the Texas Conservation Council said "[it] is important to preserve the vicinity of a city to show that the city and natural areas are compatible." Fellow environmentalist and friend Hana Ginzbarg became

8453-469: The largest city by land area on the European continent. Saint Petersburg , the cultural capital, is the second-largest city, with a population of roughly 5.4 million inhabitants. Other major urban areas are Yekaterinburg , Novosibirsk , Kazan , Nizhny Novgorod , and Chelyabinsk . Spain is a very highly urbanized country. Madrid is its largest urban area. The Southern and Eastern coasts with Barcelona , Valencia and Málaga are more urbanised than

8560-617: The largest urban area in the country. According to the United Nations Economic and Social Commission for Asia and the Pacific , the country has the highest urbanised population in Southeast Asia, with 100 percent of its population living in an urban area. The Urban Redevelopment Authority (URA) is responsible for the urban land-use planning, which designates land use and urban density of the country. The country

8667-575: The late Middle Pleistocene, where it existed in sympatry with the steppe bison. Its relationship with other extinct bison species is unclear, though it appears to be only distantly related to the steppe and American bisons, with possibly some interbreeding between the two lineages during the Middle Pleistocene. The steppe bison survived into the early-mid Holocene in Alaska-Yukon and eastern Siberia, before becoming extinct. During

8774-422: The major cities, returning home to the countryside periodically with their earnings. China has more cities with one million or more long-term residents than any other country, including the three global cities of Beijing , Hong Kong, and Shanghai ; by 2025, the country will be home to 221 cities with over a million inhabitants. The figures in the table below are from the 2008 census, and are only estimates of

8881-513: The mid-1980s, concerning an unknown number of animals then. The first census of the bison occurred in 1996, which recorded 45,235 bison on 745 farms, and grew to 195,728 bison on 1,898 farms for the 2006 census. Several pet food companies use bison as a red meat alternative in dog foods. The companies producing these formulas include Natural Balance Pet Foods , Freshpet , the Blue Buffalo Company, Solid Gold, Canidae, and Taste of

8988-477: The more familiar pastoralist relationship of the Old World . Today, bison are increasingly raised for meat , hides , wool , and dairy products. The majority of bison in the world are raised for human consumption or fur clothing. Bison meat is generally considered to taste very similar to beef, but is lower in fat and cholesterol , yet higher in protein than beef, which has led to the development of beefalo ,

9095-543: The most urbanised nation in South Asia. Furthermore, 50% of Pakistanis live in towns of 5,000 people or more. Karachi is the most populated city in Pakistan closely followed by Lahore according to the 2017 Census . In Bangladesh , there are total 532 urban areas, which are divided into three categories. Those are City Corporation , Municipal Corporation (Pourasova) and Upazila town . Among those urban areas, Dhaka

9202-437: The new term " population centre "; the new term was chosen in order to better reflect the fact that urban vs. rural is not a strict division, but rather a continuum within which several distinct settlement patterns may exist. For example, a community may fit a strictly statistical definition of an urban area, but may not be commonly thought of as "urban" because it has a smaller population, or functions socially and economically as

9309-409: The number living in rural areas (3.41 billion), and since then the world has become more urban than rural. This was the first time that the majority of the world's population lived in a city. By that time a high estimate calculated up to 3.5 million square kilometers of land were urban, estimates ranging from 1% of global land area. In 2014 there were 7.3 billion people living on the planet, of which

9416-477: The other hand, the Katowice urban area with numerous large and medium cities covers 1,468 km and has above 2 million people. The metropolitan areas in Poland are the biggest urban zones (e.g. Katowice metropolitan area , Łódź metropolitan area and Szczecin metropolitan area ) and have great impact on the rural surroundings, as it is around Lublin , Radom , Kielce , Tarnów and Białystok . Moscow ,

9523-490: The pack and consuming the wolves' kill. Grizzly bears and coyotes also prey on bison calves. Historically and prehistorically, lions , cave lions , tigers , dire wolves , Smilodon , Homotherium , cave hyenas , and Neanderthals posed threats to bison. For American bison, a main illness is malignant catarrhal fever , though brucellosis is a serious concern in the Yellowstone Park bison herd. Bison in

9630-528: The pipe leaning against it, was our sacred altar. The name of the greatest of all Sioux was Tatanka Iyotake—Sitting Bull . When you killed off the buffalo you also killed the Indian—the real, natural, "wild" Indian. European colonials were almost exclusively accountable for the near-extinction of the American bison in the 1800s. At the beginning of the century, tens of millions of bison roamed North America. Colonists slaughtered an estimated 50 million bison during

9737-552: The population bottleneck caused by the great slaughter of American bison during the 19th century, the number of bison remaining alive in North America declined to as low as 541. During that period, a handful of ranchers gathered remnants of the existing herds to save the species from extinction. These ranchers bred some of the bison with cattle in an effort to produce "cattleo" (today called " beefalo "). Accidental crossings were also known to occur. Generally, male domestic bulls were crossed with bison cows, producing offspring of which only

9844-683: The population. The name 'bison' was first used for the European species ; ancient Greek authors Pausanias and Oppian in 2nd-century AD wrote about them in Greek as βίσων bisōn . Roman authors Pliny the Elder and Gaius Julius Solinus used the word bĭson in Latin as well. It was made into a genus name by Charles Hamilton Smith in 1827. Although called "buffalo" in American English, they are only distantly related to two "true buffalo",

9951-419: The process of wallowing, bison may become infected by the fatal disease anthrax , which may occur naturally in the soil. Bison temperament is often unpredictable. They usually appear peaceful, unconcerned, or even lazy, but they may attack without warning or apparent reason. They can move at speeds up to 56 km/h (35 mph) and cover long distances at a lumbering gallop. Their most obvious weapons are

10058-402: The property to Friendswood for development. The Armand Bayou Nature Center now houses a re-creation of a 19th century farm named Martyn Farm in his honor. Much of the Bayou remained natural, but the active preservation of the Bayou was sparked by the murder of Armand Yramategui , a leader in environmental preservation of Houston during the 1960s. Although Yramategui only visited the Middle Bayou

10165-472: The required distance of 75 ft (23 m) from bison while hiking or taking pictures. Bison is an excellent source of complete protein and a rich source (20% or more of the Daily Value, DV) of multiple vitamins, including riboflavin, niacin, vitamin B 6 , and vitamin B 12 , and is also a rich source of minerals, including iron, phosphorus, and zinc. Additionally, bison is a good source (10% or more of

10272-457: The same species of plants across years. Protein concentrations of the plants they eat tend to be highest in the spring and decline thereafter, reaching their lowest in the winter. In Yellowstone National Park, bison browsed willows and cottonwoods, not only in the winter when few other plants are available, but also in the summer. Bison are thought to migrate to optimize their diet, and will concentrate their feeding on recently burned areas due to

10379-580: The species is secure. Genetically pure B. b. bison currently number only about 20,000, separated into fragmented herds—all of which require active conservation measures. The wood bison is on the endangered species list in Canada and is listed as threatened in the United States, though numerous attempts have been made by beefalo ranchers to have it entirely removed from the Endangered Species List . Although superficially similar, physical and behavioural differences exist between

10486-560: The state of Montana , free-ranging bison on public land are legally shot, due to transmission of disease to cattle and damage to public property. In 2013, Montana legislative measures concerning the bison were proposed and passed, but opposed by Native American tribes as they impinged on sovereign tribal rights. Three such bills were vetoed by Steve Bullock , the governor of Montana. The bison's circumstances remain an issue of contention between Native American tribes and private landowners. Bison are ruminants , able to ferment cellulose in

10593-704: The steppe bison migrated across the Bering land bridge into North America, becoming ancestral to North American bison species, including the large Bison latifrons , and the smaller Bison antiquus , which became extinct at the end of the Late Pleistocene. Modern American bison are thought to have evolved from B. antiquus during the Late Pleistocene-Holocene transition via the intermediate form Bison occidentalis . The European bison, Bison bonasus, first appeared in Europe during

10700-475: The term "urban area" contrasts to rural areas such as villages and hamlets ; in urban sociology or urban anthropology it contrasts with natural environment . The development of earlier predecessors of modern urban areas during the urban revolution of the 4th millennium BCE led to the formation of human civilization and ultimately to modern urban planning , which along with other human activities such as exploitation of natural resources has led to

10807-571: The time of independence and has several different causes. The majority of southern Pakistan's population lives along the Indus River . Karachi is its most populous city. In the northern half of the country, most of the population lives in an arc formed by the cities of Lahore , Faisalabad , Rawalpindi , Islamabad , Gujranwala , Sialkot , Gujrat , Jhelum , Sargodha , Sheikhupura , Nowshera , Mardan and Peshawar . During 1990–2008, city dwellers made up 36% of Pakistan's population, making it

10914-521: The two surviving species, the American bison , B. bison , found only in North America , is the more numerous. Although colloquially referred to as a buffalo in the United States and Canada, it is only distantly related to the true buffalo . The North American species is composed of two subspecies, the Plains bison , B. b. bison , and the wood bison , B. b. athabascae , which

11021-405: The urban area, while Rosario , Mendoza and Tucumán have around 1.2 million inhabitants each and La Plata , Mar del Plata , Salta and Santa Fe have at least 500,000 people each. Bison A bison ( pl. : bison ) is a large bovine in the genus Bison (Greek: "wild ox" (bison) ) within the tribe Bovini . Two extant and numerous extinct species are recognised. Of

11128-495: The urban core city being the primary labor market. The concept of an "urban area" as used in economic statistics should not be confused with the concept of the "urban area" used in road safety statistics. This term was first created by Geographer Brian Manning. The last concept is also known as " built-up area in road safety ". According to the definition by the Office for National Statistics , "Built-up areas are defined as land which

11235-492: The urban populations within administrative city limits; a different ranking exists when considering the total municipal populations (which includes suburban and rural populations). The large " floating populations " of migrant workers make conducting censuses in urban areas difficult; the figures below include only long-term residents. In Japan , urbanized areas are defined as contiguous areas of densely inhabited districts (DIDs) using census enumeration districts as units with

11342-474: The urbanized area of that city are often not the same. For example, the city of Greenville, South Carolina has a city population just over 68,000 and an urbanized area population of around 400,000, while Greensboro, North Carolina has a city population just over 285,000 and an urbanized area population of around 300,000 — meaning that Greenville is actually "larger" for some intents and purposes, but not for others, such as taxation, local elections, etc. In

11449-539: Was our bed, our blanket, our winter coat. It was our drum, throbbing through the night, alive, holy. Out of his skin we made our water bags. His flesh strengthened us, became flesh of our flesh. Not the smallest part of it was wasted. His stomach, a red-hot stone dropped into it, became our soup kettle. His horns were our spoons, the bones our knives, our women's awls and needles. Out of his sinews we made our bowstrings and thread. His ribs were fashioned into sleds for our children, his hoofs became rattles. His mighty skull, with

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