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Henry Vilas Zoo

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Henry Vilas Zoo is a 28-acre (11 ha) public zoo in Madison, Wisconsin , United States, that is accredited by the Association of Zoos and Aquariums (AZA). Owned by Dane County , the zoo receives over 750,000 visitors annually.

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41-470: In 1904, the city received 50 acres (20 ha) of land from William and Anna Vilas under the conditions that it be used "for the uses and purposes of a public park and pleasure ground". The park was named in honor of the Vilases' son, Henry, who died in 1899 at the age of 27 from complications related to diabetes . The family stipulated that the park always be admission-free. By 1911, 28 acres (11 ha) of

82-562: A C. bactrianus ferus genome using next generation sequencing . Several effective population size studies have been carried out. They show several bottlenecks in both wild and domesticated Bactrians over the past 350,000 years. The Bactrian camel was domesticated circa ~4,500 BCE. The dromedary is believed to have been domesticated between 4000 BCE and 2000 BCE in Arabia . As pack animals, these ungulates are virtually unsurpassed, able to carry 170–250 kg (370–550 lb) at

123-756: A member of the Wisconsin State Assembly in 1885, until he was appointed the Postmaster General between 1885 and 1888, and as Secretary of the Interior from 1888 to 1889, both under President Grover Cleveland . After leaving the cabinet , he led Wisconsin German Americans in the protest against the Bennett Law of 1889 which required schools to only use the English language . From 1891 until 1897, he

164-539: A part of the Henry Vilas Zoo . Bactrian camel This is an accepted version of this page The Bactrian camel ( Camelus bactrianus ), also known as the Mongolian camel , domestic Bactrian camel or two-humped camel , is a large camel native to the steppes of Central Asia . It has two humps on its back, in contrast to the single-humped dromedary . Its population of 2 million exists mainly in

205-498: A rate of 47 kilometres (29 mi) per day, or 4 kilometres per hour (2.5 mph) over a period of four days. The species was a mainstay of transportation on the Silk Road . Furthermore, Bactrian camels are frequently ridden, especially in desertified areas. In ancient Sindh , for example, Bactrian camels of two humps were initially used by the rich for riding. The camel was later brought to other areas such as Balochistan and Iran for

246-473: A result of extensive crossbreeding between them. The fertility of their hybrid has given rise to speculation that the Bactrian camel and the dromedary should be merged into a single species with two varieties. However, a 1994 analysis of the mitochondrial cytochrome b gene revealed that the species display 10.3% divergence in their sequences . The Bactrian camel is the largest mammal in its native range and

287-436: A wide range of foods allows them to live in areas with sparse vegetation. The first time food is swallowed, it is not fully chewed. The partly masticated food (called cud) goes into the stomach and later is brought back up for further chewing. Bactrian camels belong to a fairly small group of animals that regularly eat snow to provide their water needs. Animals living above the snowline may have to do this, as snow and ice can be

328-680: A woman was kicked in the face by a giraffe after climbing into the enclosure The zoo houses amphibians, birds, fish, insects, mammals, and reptiles from several continents. Opened in 2015, the Arctic Passage features large, natural habitats for polar bears , grizzly bears and harbour seals . The polar bear and harbour seal exhibits have underwater viewing and there is a stream for the grizzly bears. The exhibit includes several sustainability features like solar panels, rainwater harvesting and an underground storage unit that saves over 2 million gallons of water. The George Fait North American Prairie

369-506: Is a large yard home to the zoo's American bison . This area was also once home to prairie dogs , but then bad weather killed all of them. The Wisconsin Heritage Trail opened in 2016 and highlights Wisconsin's rich mining history. It has enclosures for American badgers and rescued sandhill cranes . A $ 4.2 million dollar aviary opened in 2000. Outside the aviary are enclosures for capybaras and North American river otters . The aviary

410-840: Is also a koi pond, a train and a carousel. The Herpetarium is home to the zoo's reptiles and amphibians. Aldabra giant tortoises and American alligators have outdoor exhibits. Some of the collection include green anaconda , massasauga , alligator snapping turtle , Gila monster , Standing's day geckos , leopard geckos , desert tortoises , dyeing poison dart frogs , Golfodulcean poison frogs , green and black poison dart frogs , strawberry poison-dart frogs , yellow-banded poison dart frogs and red-eyed tree frogs . The Discovery Center allows hands-on interactions with animals. It houses giant African millipedes , lemur leaf frogs , Madagascar hissing cockroaches and Seba's short-tailed bats . William Freeman Vilas William Freeman Vilas (July 9, 1840 – August 27, 1908)

451-688: Is an enclosure for Indian crested porcupines . Opened in 1995, the Primate House houses three species of primates, Bornean orangutans , black-and-white ruffed lemurs and ring-tailed lemurs . These yards are home to the zoo's larger hoofstock, Bactrian camels , Somali wild ass and white rhinoceros . The Children's Zoo features the sustainably designed Red Barn, which houses their goats , which can be hand fed. It also features exhibits for red pandas , white-handed gibbons , Indian crested porcupines , meerkats , aardvarks , red-footed tortoises , American flamingos and Chilean flamingos . There

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492-454: Is home to many tropical birds like blue-and-yellow macaws , blue-crowned motmots , laughing kookaburra , white-cheeked turaco and sunbittern as well as Geoffroy's marmoset , red-rumped agouti and fish like red-bellied piranhas and ocellate river stingrays . The zoo houses African lions and Amur tigers in enclosures simulating their natural habitats in the wild with features like heated rocks to keep them warm during winter. Nearby

533-647: Is interred at the Forest Hill Cemetery in Madison, Wisconsin . Vilas County, Wisconsin , is named for William F. Vilas. Senator Vilas is also the namesake of the towns of Vilas, Colorado and Vilas, South Dakota . His childhood home in Madison is located in what is now the Langdon Street Historic District . His family donated land to the city of Madison to build a public park, which later became

574-710: Is the largest living camel while being shorter at the shoulder than the dromedary . Shoulder height is from 160 to 180 cm (5.2 to 5.9 ft) with the overall height ranging from 230 to 250 cm (7.5 to 8.2 ft), head-and-body length is 225–350 cm (7.38–11.48 ft), and the tail length is 35–55 cm (14–22 in). At the top of the humps, the average height is 213 cm (6.99 ft). Body mass can range from 300 to 1,000 kg (660 to 2,200 lb), with males weighing around 600 kg (1,300 lb), and females around 480 kg (1,060 lb). Its long, wooly coat varies in colour from dark brown to sandy beige. A mane and beard of long hair occurs on

615-497: Is the only truly wild (as opposed to feral ) species of camelid in the Old World . Domestic Bactrian camels do not descend from wild Bactrian camels, with the two species having split around 1 million years ago. Lamini (llamas) † Camelops Camelus dromedarius (dromedary) † Camelus knoblochi Camelus ferus (wild Bactrian camel) Camelus bactrianus (domestic Bactrian camel) The Bactrian camel shares

656-763: Is well developed and the sense of smell is extremely good. The lifespan of Bactrian camels is estimated at up to 50 years, more often 20 to 40 in captivity. Bactrian camels are diurnal , sleeping in the open at night and foraging for food during the day. They are primarily herbivorous. With tough mouths that can withstand sharp objects such as thorns, they are able to eat plants that are dry, prickly, salty or bitter, and can ingest virtually any kind of vegetation. When other nutrient sources are not available, these camels may feed on carcasses, gnawing on bones, skin, or various different kinds of flesh. In more extreme conditions, they may eat any material they find, which has included rope, sandals, and even tents. Their ability to feed on

697-473: The Gobi Desert ), stony plains and sand dunes. Conditions are extremely harsh – vegetation is sparse, water sources are limited and temperatures are extreme. The coat of the Bactrian camel can withstand cold as low as −30 °C (−22 °F) in winter to 50 °C (122 °F) in summer. The camels' distribution is linked to the availability of water, with large groups congregating near rivers after rain or at

738-785: The University of Wisconsin in 1858, and from the Albany Law School in 1860. He enlisted in the Union Army during the Civil War and was a captain in the 23rd Wisconsin Volunteer Infantry Regiment and later served as the lieutenant colonel of that regiment . Following the war, Vilas was a Professor of Law at the University of Wisconsin–Madison, and a regent of the University from 1880 to 1885 and 1898 to 1905. Vilas served as

779-413: The domesticated form. Their name comes from the ancient historical region of Bactria . Domesticated Bactrian camels have served as pack animals in inner Asia since ancient times. With its tolerance for cold, drought, and high altitudes, it enabled the travel of caravans on the Silk Road . Bactrian camels, whether domesticated or feral, are a separate species from the wild Bactrian camel , which

820-422: The genus Camelus with the dromedary ( C. dromedarius ) and the wild Bactrian camel ( C. ferus ). The Bactrian camel belongs to the family Camelidae . The ancient Greek philosopher Aristotle was the first European to describe the camels: in his 4th century BCE History of Animals , he identified the one-humped Arabian camel and the two-humped Bactrian camel. The Bactrian camel

861-573: The adjacent University of Wisconsin–Madison Arboretum . The Henry Vilas Zoo is one of ten remaining free zoos in North America. As an accredited AZA (Association of Zoos & Aquariums) zoo, their mission is to conserve and protect the wonders of the natural living world. In 2022, after the two only black zookeepers at the Zoo resigned in part due to perceived poor management, racism, and retaliation from management, Dane County started an investigation into

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902-552: The camels met these needs, the United States Camel Corps was never considered much of a success. Having brought two shipments of fewer than 100 camels to the U.S., plans were made to import another 1,000, but the US Civil War interrupted this. Most surviving camels of these endeavors, both military and private, were merely turned loose to survive in the wild. As a result, small feral herds of Bactrian camels existed during

943-407: The extinct giant camel species Camelus knoblochi which became extinct around 20,000 years ago, which is equidistant from both living Bactrian camel species. The Bactrian camel and the dromedary often interbreed to produce fertile offspring. Where the ranges of the two species overlap, such as in northern Punjab, Iran and Afghanistan, the phenotypic differences between them tend to decrease as

984-561: The female can give birth to a new calf every other year. Young Bactrian camels are precocial , being able to stand and run shortly after birth, and are fairly large at an average birth weight of 36 kg (79 lb). They are nursed for about 1.5 years. The young calf stays with its mother for three to five years, until it reaches sexual maturity, and often helps raise subsequent generations for those years. Wild camels sometimes breed with domesticated or feral camels. The Bactrian Camels Genome Sequencing and Analysis Consortium provides

1025-430: The foot of the mountains, where water can be obtained from springs in the summer months, and in the form of snow during the winter. Bactrian camels are exceptionally adept at withstanding wide variations in temperature, ranging from freezing cold to blistering heat. They have a remarkable ability to go without water for months at a time, but when water is available they may drink up to 57 liters at once. When well fed,

1066-467: The humps are plump and erect, but as resources decline, the humps shrink and lean to the side. When moving faster than a walking speed, they pace , by stepping forwards with both legs on the same side (as opposed to trotting , using alternate diagonals as done by most other quadrupeds). Speeds of up to 65 kilometres per hour (40 mph) have been recorded, but they rarely move this fast. Bactrian camels are also said to be good swimmers. The sense of sight

1107-566: The late 19th century in the southwest deserts of the United States . The Indian Army uses these camels to patrol in Ladakh . It was concluded that after carrying out trials and doing a comparative study with a single-humped camel brought from Rajasthan that the double-humped camel is better suited for the task at hand. Colonel Manoj Batra, a veterinary officer of the Indian Army, stated that

1148-410: The neck and throat, with hairs measuring up to 25 cm (9.8 in) long. The shaggy winter coat is shed extremely rapidly, with huge sections peeling off at once, appearing as if sloppily shorn. The two humps on the back are composed of fat (not water as is sometimes thought). The face is typical of a camelid, being long and somewhat triangular, with a split upper lip. The long eyelashes, along with

1189-499: The only forms of water during winter, and by doing so, their range is greatly enlarged. The latent heat of snow and ice is big compared with the heat capacity of water, forcing animals to eat only small amounts at a time. Bactrian camels are induced ovulators – they ovulate after insemination (insertion of semen into the vagina ); the seminal plasma, not the spermatozoa , induces ovulation. Ovulation occurs in 87% of females after insemination: 66% ovulate within 36 hours and

1230-505: The park were partitioned into an animal exhibit, marking the creation of the zoo. The Madison Zoological and Aquarium Society was founded in 1914, and in 1926 became the Henry Vilas Park Zoological Society, which continues today. In 1964, the society was incorporated as a non-profit corporation. For the hundredth anniversary of the zoo, the society operated a Zoo Century campaign to support a $ 27 million redevelopment of

1271-609: The party's sacrificial lamb. Back in Wisconsin, he was from 1897 to 1903 a member of the commission that had charge of the erection of the State Historical Library at Madison, and from 1906 to 1908 of the commission for the construction of the new state capitol . He married Anna M. Fox, who had been born in the territory of Wisconsin. Their younger son died in early childhood and their elder daughter, Nellie, died in 1893. The surviving children were Henry and Mary Esther. He

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1312-425: The practices of the zoo. The county found that the zoo created a toxic work environment, a lack of employees of color, inadequate welfare for animals, and management favoritism toward certain employees. The county then authorized an independent investigation. This investigation found no evidence of a hostile work environment nor discrimination, but some evidence of isolated past issues with animal treatment. In 2015,

1353-413: The rest by 48 hours (the same as natural mating). The least amount of semen required to elicit ovulation is about 1.0 ml. Males during mating time are often quite violent and may bite, spit, or attempt to sit on other male camels. The age of sexual maturity varies, but is usually reached at 3–5 years. Gestation lasts around 13 months. One or occasionally two calves are produced, and

1394-560: The same purpose. Bactrian camels have been the focus of artwork throughout history. For example, westerners from the Tarim Basin and elsewhere were depicted in numerous ceramic figurines of the Chinese Tang dynasty (618–907). Bactrian camels were imported to the U.S. several times in the mid- to late 1800s, both by the U.S. military and by merchants and miners, looking for pack animals sturdier and hardier than horses and mules. Although

1435-559: The school at his death in 1908. He is the namesake of Vilas Hall on the University of Wisconsin–Madison campus, as well as Vilas County, Wisconsin , and the towns of Vilas, Colorado , and Vilas, South Dakota . Vilas was born in Chelsea, Vermont , the son of Esther Greene (Smilie) and Levi Baker Vilas , a politician. His grandfather was Nathan Smilie, a Democratic politician who ran for Governor of Vermont in 1839 . Vilas moved to Madison, Wisconsin with his family in 1851. He graduated from

1476-419: The sealable nostrils, help to keep out dust in the frequent sandstorms which occur in their natural range. The two broad toes on each foot have undivided soles and are able to spread widely as an adaptation to walking on sand. The feet are very tough, as befits an animal of extreme environments. These camels are migratory, and their habitat ranges from rocky mountain massifs to flat steppe , arid desert, (mostly

1517-405: The zoo over the next 10 years. Plans call for a new Arctic Passage exhibit and a redesigned Children's Zoo. The Arctic Passage, which includes a major expansion that includes a new restaurant, and new enclosures for seals and returning grizzly and polar bears opened May 23, 2015. The zoo hosts an annual Zoo Run Run with a 5K-10K run/walk. The race starts and finishes in the zoo, and uses portions of

1558-630: Was a delegate to the Democratic National Convention of 1896 , but withdrew after the adoption of the free-silver plank. He then became one of the chief organizers of the National Democratic Party , attended the convention at Indianapolis, and was chairman of its committee on resolutions. He was also the main drafter of the National Democratic Party's platform. Vilas, a favorite of the delegates, refused to run as

1599-655: Was a member of the United States Senate, in which, during President Cleveland's second term, he was recognized as the chief defender of the Administration, and he was especially active in securing the repeal of the silver purchase clause of the Sherman Silver Purchase Act . He was unsuccessful in an 1896 reelection bid, having been defeated by Senator John Coit Spooner , who held the seat before him and whom Vilas had defeated for reelection in 1890. Vilas

1640-434: Was an American lawyer, politician, and United States Senator . In the U.S. Senate, he represented the state of Wisconsin for one term, from 1891 to 1897. As a prominent Bourbon Democrat , he was also a member of the cabinet of U.S. President Grover Cleveland , serving as the 33rd Postmaster General and the 17th Secretary of the Interior . He was a major donor to the University of Wisconsin , leaving $ 30,000,000 to

1681-534: Was given its current binomial name Camelus bactrianus by Swedish zoologist Carl Linnaeus in his 1758 publication Systema Naturae . Though sharing a closer common ancestor with it than with the dromedary, the domestic Bactrian camel does not descend from the wild Bactrian camel, with the two species having diverged hundreds of thousands of years ago, with their mitochondrial genomes estimated to have diverged around 1 million years ago. Genetic evidence suggests that both Bactrian camel species are closely related to

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