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==Biology==
==Biology==
The average [[life expectancy]] of a camel is 40 to 50 [[year]]s.<ref name=nationalgeo-dromedary /><ref name=nationalgeo-bactrian>{{cite web | title = Bactrian Camel: Camelus bactrianus | work = National Geographic | accessdate = 28 November 2012 | url = http://animals.nationalgeographic.com/animals/mammals/bactrian-camel/ }}</ref> A full-grown adult camel stands {{convert|1.85|m|ftin|abbr=on}} at the shoulder and {{convert|2.15|m|ftin|abbr=on}} at the hump.<ref name=camello>{{cite web | publisher = Camello Safari | title = The amazing characteristics of the camels | accessdate = 26 November 2012 | url = http://www.camellosafari.com/?page_id=251 }}</ref> Camels can run at up to {{convert|65|km/h|mi/h|0|abbr=on}} in short bursts and sustain speeds of up to {{convert|40|km/h|mi/h|0|abbr=on}}.<ref name=bigfacts>{{Cite web | title = How Fast Can Camels Run and How Long Can They Run For? | work = Big Site of Amazing Facts | accessdate = 29 November 2012 | url = http://www.bigsiteofamazingfacts.com/how-fast-can-camels-run-and-how-long-can-they-run-for/ }}</ref> Bactrian camels weigh {{convert|300|to|1000|kg|lbs|abbr=on}} and dromedaries {{convert|300|to|600|kg|lbs|abbr=on}}.
Camels have 94 humps and can drink 600 beers without without getting drunk and when they pee it comes out as dark and smells like cupcakes. Camels are very stupid there ancestor the wooly mammoth. Camel: Camelus bactrianus | work = National Geographic | accessdate = 28 November 2012 | url = http://animals.nationalgeographic.com/animals/mammals/bactrian-camel/ }}</ref> A full-grown adult camel stands {{convert|1.85|m|ftin|abbr=on}} at the shoulder and {{convert|2.15|m|ftin|abbr=on}} at the hump.<ref name=camello>{{cite web | publisher = Camello Safari | title = The amazing characteristics of the camels | accessdate = 26 November 2012 | url = http://www.camellosafari.com/?page_id=251 }}</ref> Camels can run at up to {{convert|65|km/h|mi/h|0|abbr=on}} in short bursts and sustain speeds of up to {{convert|40|km/h|mi/h|0|abbr=on}}.<ref name=bigfacts>{{Cite web | title = How Fast Can Camels Run and How Long Can They Run For? | work = Big Site of Amazing Facts | accessdate = 29 November 2012 | url = http://www.bigsiteofamazingfacts.com/how-fast-can-camels-run-and-how-long-can-they-run-for/ }}</ref> Bactrian camels weigh {{convert|300|to|1000|kg|lbs|abbr=on}} and dromedaries {{convert|300|to|600|kg|lbs|abbr=on}}.


The male dromedary camel has in its throat an organ called a [[dulla (organ)|dulla]], a large, inflatable sac he extrudes from his mouth when in [[rut (mammalian reproduction)|rut]] to assert dominance and attract females. It resembles a long, swollen, pink tongue hanging out of the side of its mouth.<ref>{{cite journal |journal= Injury |title= Camel bite injuries in United Arab Emirates: A 6 year prospective study |first1= Fikri M. |last1= Abu-Zidana |first2= Hani O. |last2= Eida |first3= Ashraf F. |last3= Hefnya |first4= Masoud O. |last4= Bashira |first5= Frank |last5= Branickia |doi= 10.1016/j.injury.2011.10.039 |pmid= 22186231 |date= 18 December 2011 |format= Epub ahead of print |quote= The male mature camel has a specialized inflatable diverticulum of the soft palate called the "Dulla". and During rutting the Dulla enlarges on filling with air from the trachea until it hangs out of the mouth of the camel and comes to resemble a pink ball. This occurs in only the one-humped camel. Copious saliva turns to foam covering the mouth as the male gurgles and makes metallic sounds. [6 cites to 5 references omitted]}}</ref> Camels mate by having both male and female sitting on the ground, with the male mounting from behind. The male usually [[ejaculates]] three or four times within a single mating session.<ref>{{cite video|url=http://www.youtube.com/watch?v=PRnNWuhr3Ag|title=Two Male Camels Fighting Over One Female}}</ref><ref name=mukasa81 /> Camelids are the only ungulates to mate in a sitting position.<ref name=sandiegozoo>{{cite web | publisher = San Diego Zoo Global Library | title = Bactrian & Dromedary Camels | work = Factsheets | accessdate = 4 December 2012 | date = March 2009| url = http://library.sandiegozoo.org/factsheets/camel/camel.htm }}</ref>
The male dromedary camel has in its throat an organ called a [[dulla (organ)|dulla]], a large, inflatable sac he extrudes from his mouth when in [[rut (mammalian reproduction)|rut]] to assert dominance and attract females. It resembles a long, swollen, pink tongue hanging out of the side of its mouth.<ref>{{cite journal |journal= Injury |title= Camel bite injuries in United Arab Emirates: A 6 year prospective study |first1= Fikri M. |last1= Abu-Zidana |first2= Hani O. |last2= Eida |first3= Ashraf F. |last3= Hefnya |first4= Masoud O. |last4= Bashira |first5= Frank |last5= Branickia |doi= 10.1016/j.injury.2011.10.039 |pmid= 22186231 |date= 18 December 2011 |format= Epub ahead of print |quote= The male mature camel has a specialized inflatable diverticulum of the soft palate called the "Dulla". and During rutting the Dulla enlarges on filling with air from the trachea until it hangs out of the mouth of the camel and comes to resemble a pink ball. This occurs in only the one-humped camel. Copious saliva turns to foam covering the mouth as the male gurgles and makes metallic sounds. [6 cites to 5 references omitted]}}</ref> Camels mate by having both male and female sitting on the ground, with the male mounting from behind. The male usually [[ejaculates]] three or four times within a single mating session.<ref>{{cite video|url=http://www.youtube.com/watch?v=PRnNWuhr3Ag|title=Two Male Camels Fighting Over One Female}}</ref><ref name=mukasa81 /> Camelids are the only ungulates to mate in a sitting position.<ref name=sandiegozoo>{{cite web | publisher = San Diego Zoo Global Library | title = Bactrian & Dromedary Camels | work = Factsheets | accessdate = 4 December 2012 | date = March 2009| url = http://library.sandiegozoo.org/factsheets/camel/camel.htm }}</ref>

Revision as of 12:54, 3 October 2013

For other uses, see Camel (disambiguation).

Camel
A one-humped camel
Dromedary camel, Camelus dromedarius
Bactrian camel, Camelus bactrianus
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Mammalia
Order:
Artiodactyla
Family:
Camelidae
Tribe:
Camelini
Genus:
Camelus

Linnaeus, 1758
Species

Camelus bactrianus
Camelus dromedarius
†Camelus gigas (fossil)[1]
†Camelus hesternus (fossil)[2]
†Camelus sivalensis (fossil)[3]
†Camelus moreli (fossil)

range of the dromedary

A camel is an even-toed ungulate within the genus Camelus, bearing distinctive fatty deposits known as "humps" on its back. The two surviving species of camel are the dromedary, or one-humped camel (C. dromedarius), which inhabits the Middle East and the Horn of Africa; and the bactrian, or two-humped camel (C. bactrianus), which inhabits Central Asia. Both species have been domesticated; they provide milk, meat, hair for textiles or goods such as felted pouches, and are working animals with tasks ranging from human transport to bearing loads.

The term "camel" is derived via Latin and Greek (camelus and kamēlos respectively) from Hebrew or Phoenician gāmāl, possibly from a verb root meaning to bear or carry (related to Arabic jamala).[4][5]

"Camel" is also used more broadly to describe any of the six camel-like mammals in the family Camelidae: the two true camels: the dromedary and bactrian, and the four South American camelids: the llama and alpaca are called "New World camels", while the guanaco and vicuña are called "South American camels".[6][7]

Biology

Camels have 94 humps and can drink 600 beers without without getting drunk and when they pee it comes out as dark and smells like cupcakes. Camels are very stupid there ancestor the wooly mammoth. Camel: Camelus bactrianus | work = National Geographic | accessdate = 28 November 2012 | url = http://animals.nationalgeographic.com/animals/mammals/bactrian-camel/ }}</ref> A full-grown adult camel stands 1.85 m (6 ft 1 in) at the shoulder and 2.15 m (7 ft 1 in) at the hump.[8] Camels can run at up to 65 km/h (40 mph) in short bursts and sustain speeds of up to 40 km/h (25 mph).[9] Bactrian camels weigh 300 to 1,000 kg (660 to 2,200 lb) and dromedaries 300 to 600 kg (660 to 1,320 lb).

The male dromedary camel has in its throat an organ called a dulla, a large, inflatable sac he extrudes from his mouth when in rut to assert dominance and attract females. It resembles a long, swollen, pink tongue hanging out of the side of its mouth.[10] Camels mate by having both male and female sitting on the ground, with the male mounting from behind. The male usually ejaculates three or four times within a single mating session.[11][12] Camelids are the only ungulates to mate in a sitting position.[13]

Ecological and behavioral adaptations

Camels do not directly store water in their humps as was once commonly believed. The humps are actually reservoirs of fatty tissue: concentrating body fat in their humps minimizes the insulating effect fat would have if distributed over the rest of their bodies, helping camels survive in hot climates.[14][15] When this tissue is metabolized, it yields more than one gram of water for every gram of fat processed. This fat metabolization, while releasing energy, causes water to evaporate from the lungs during respiration (as oxygen is required for the metabolic process): overall, there is a net decrease in water.[16][17]

A portrait of a camel with a visibly thick mane
A camel's thick coat is one of their many adaptations that aid them in desert-like conditions.
A leashed pack camel
The Horn of Africa has the world's largest population of camels.[18]

Camels have a series of physiological adaptations that allow them to withstand long periods of time without any external source of water.[15] Unlike other mammals, their red blood cells are oval rather than circular in shape. This facilitates the flow of red blood cells during dehydration[19] and makes them better at withstanding high osmotic variation without rupturing when drinking large amounts of water: a 600 kg (1,300 lb) camel can drink 200 L (53 US gal) of water in three minutes.[20][21]

Camels are able to withstand changes in body temperature and water consumption that would kill most other animals. Their temperature ranges from 34 °C (93 °F) at dawn and steadily increases to 40 °C (104 °F) by sunset, before they cool off at night again.[15] Maintaining the brain temperature within certain limits is critical for animals; to assist this, camels have a rete mirabile, a complex of arteries and veins lying very close to each other which utilizes countercurrent blood flow to cool blood flowing to the brain.[22] Camels rarely sweat, even when ambient temperatures reach 49 °C (120 °F).[23] Any sweat that does occur evaporates at the skin level rather than at the surface of their coat; the heat of vaporization therefore comes from body heat rather than ambient heat. Camels can withstand losing 25% of their body weight to sweating, whereas most other mammals can withstand only about 12–14% dehydration before cardiac failure results from circulatory disturbance.[21]

When the camel exhales, water vapor becomes trapped in their nostrils and is reabsorbed into the body as a means to conserve water.[24] Camels eating green herbage can ingest sufficient moisture in milder conditions to maintain their bodies' hydrated state without the need for drinking.[25]

Domesticated camel calves lying in sternal recumbency, a position which aids heat loss

The camels' thick coats insulate them from the intense heat radiated from desert sand, and a shorn camel has to sweat 50% more to avoid overheating.[26] During the summer the coat becomes lighter in color, reflecting light as well as helping avoid sunburn.[21] The camel's long legs help by keeping its body farther from the ground, which can heat up to 70 °C (158 °F).[27][28] Dromedaries have a pad of thick tissue over the sternum called the pedestal. When the animal lies down in a sternal recumbent position, the pedestal raises the body from the hot surface and allows cooling air to pass under the body.[22]

Camels' mouths have a thick leathery lining, allowing them to chew thorny desert plants. Long eyelashes and ear hairs, together with nostrils that can close, form a barrier against sand. If sand gets lodged in their eyes, they can dislodge it using their transparent third eyelid. The camels' gait and widened feet help them move without sinking into the sand.[27][29][30]

The kidneys and intestines of a camel are very efficient at reabsorbing water. Camel urine comes out as a thick syrup, and camel feces are so dry, that do not require drying when the Bedouins use them to fuel fires.[31][32][33][34]

Camels' immune system differs from those of other mammals. Normally, the Y-shaped antibody molecules consist of two heavy (or long) chains along the length of the Y, and two light (or short) chains at each tip of the Y. Camels, in addition to these, also have antibodies made of only two heavy chains, a trait that makes them smaller and more durable. These "heavy-chain-only" antibodies, discovered in 1993, are thought to have developed 50 million years ago, after camelids split from ruminants and pigs.[35]

Genetics

Three camels in a line: a person rides on the leading camel.
Domesticated camels at the Pyramids of Giza, Egypt

The karyotypes of different camelid species have been studied earlier by many groups,[36][37][38][39][40][41] but no agreement on chromosome nomenclature of camelids has been reached. A 2007 study flow sorted camel chromosomes, building on the fact that camels have 37 pairs of chromosomes (2n=74), and found that the karyotime consisted of one metacentric, three submetacentric, and 32 acrocentric autosomes. The Y is a small metacentric chromosome, while the X is a large metacentric chromosome.[42]

According to molecular data, the New World and Old World camelids diverged 11 million years ago.[43] In spite of this, these species can still hybridize and produce fertile offspring.[44] The hybrid camel has one hump, though it has an indentation 4–12 cm (1.6–4.7 in) deep that divides the front from the back. The hybrid is 2.15 m (7 ft 1 in) at the shoulder and 2.32 m (7 ft 7 in) tall at the hump. It weighs an average of 650 kg (1,430 lb) and can carry around 400 to 450 kg (880 to 990 lb), which is more than either the dromedary or Bactrian can.[45]

The skull of an F1 hybrid camel. On display at the Museum of Osteology, Oklahoma City, Oklahoma.

The cama is a camel–llama hybrid bred by scientists who wanted to see how closely related the parent species were.[46] The scientists collected semen from a camel via an artificial vagina and inseminated a llama after stimulating ovulation with gonadotrophin injections.[47] The cama has ears halfway between the length of camel and llama ears, no hump, longer legs than the llama, and partially cloven hooves.[48][49] According to cama breeder Lulu Skidmore, cama have "the fleece of the llamas" and "the strength and patience of the camel".[47] Like the mule, camas are sterile, despite both parents having the same number of chromosomes.[47]

Evolution

See also: Camelops
A drawing of two early camels
Antelope-like ancient camel, Stenomylus

The earliest known camel, called Protylopus, lived in North America 40 to 50 million years ago (during the Eocene).[12] It was about the size of a rabbit and lived in the open woodlands of what is now South Dakota.[50][51] By 35 million years ago, the Poebrotherium was the size of a goat and had many more traits similar to camels and llamas.[52][53] The hoofed Stenomylus, which walked on the tips of its toes, also existed around this time, and the long-necked Aepycamelus evolved in the Miocene.[54]

The direct ancestor of all modern camels, Procamelus, existed in the upper Miocone and lower Pliocene.[55] Around 3–5 million years ago, the North American Camelidae spread to South America via the Isthmus of Panama, where they gave rise to llamas and related animals, and to Asia via the Bering land bridge.[12][50][51] Surprising finds of fossil Paracamelus on Ellesmere Island beginning in 2006 in the high Canadian Arctic indicate the dromedary is descended from a larger, boreal browser whose hump may have evolved as an adaptation in a cold climate.[56][57] This creature is estimated to have stood around nine feet tall.[58]

The last camel native to North America was Camelops hesternus, which vanished along with horses, short-faced bears, mammoths and mastodons, ground sloths, sabertooth cats, and many other megafauna, coinciding with the migration of humans from Asia.[2][59]

Domestication

A camel harnessed to a cart loaded with branches and twigs
Camels are used as draft animals in Pakistan.
A painting of a man sitting on a camel and playing the drums
A camel with its rider playing kettledrums in the Mughal Empire.

Most camels surviving today are domesticated.[34][60] Along with many other megafauna in North America, the original wild camels were wiped out during the spread of Native Americans from Asia into North America, 12,000 to 10,000 years ago.[2][59] The only wild camels left are the Bactrian camels of the Gobi Desert.[61]

Like the horse, before their extinction in their native land, they spread across the Bering land bridge, moving the opposite direction from the Asian immigration to America, to survive in the Old World and eventually be domesticated and spread globally by humans.

Dromedaries may have first been domesticated by humans in Somalia and southern Arabia, around 3,000 BC, the Bactrian in central Asia around 2,500 BC.[12][62][63][64]

Military uses

Main article: Camel cavalry
A painting of soldiers on camels
British Imperial Camel Corps Brigade in Egypt

By at least 1200 BC, the first camel saddles had appeared, and Bactrian camels could be ridden. The first saddle was positioned to the back of the camel, and control of the Bactrian camel was exercised by means of a stick. However, between 500–100 BC, Bactrian camels attained military use. New saddles, which were inflexible and bent, were put over the humps and divided the rider's weight over the animal. In the seventh century BC, the military Arabian saddle appeared, which improved the saddle design again slightly.[65]

Camel cavalries have been used in wars throughout Africa, the Middle East, and into modern-day Border Security Force of India (though as of July 2012, the BSF has planned the replacement of camels with ATVs). The first use of camel cavalries was in the Battle of Qarqar in 853 BC.[66][67][68] Armies have also used camels as freight animals instead of horses and mules.[69][70]

In the East Roman Empire, the Romans used auxiliary forces known as dromedarii, whom they recruited in desert provinces.[71][72] The camels were used mostly in combat because of their ability to scare off horses at close ranges (horses are afraid of the camels' scent),[13] a quality famously employed by the Achaemenid Persians when fighting Lydia in the Battle of Thymbra.[45][73][74]

19th and 20th centuries

A photo of Bulgarian military transport camels in 1912
A camel caravan of the Bulgarian military during the First Balkan War, 1912
  • The United States Army established the U.S. Camel Corps, which was stationed in California in the late 19th century.[13] One may still see stables at the Benicia Arsenal in Benicia, California, where they nowadays serve as the Benicia Historical Museum.[75] Though the experimental use of camels was seen as a success (John B. Floyd, Secretary of War in 1858, recommended that funds be allocated towards obtaining a thousand more camels), the outbreak of the American Civil War saw the end of the Camel Corps: Texas became part of the Confederacy, and most of the camels were left to wander away into the desert.[70]
  • France created a méhariste camel corps in 1912 as part of the Armée d'Afrique in the Sahara[76] in order to exercise greater control over the camel-riding Tuareg and Arab insurgents, as previous efforts to defeat them on foot had failed.[77] The camel-mounted units remained in service until the end of French rule over Algeria in 1962.[78]
  • In 1916, the British created the Imperial Camel Corps. It was originally used to fight the Senussi, but was later used in the Sinai and Palestine Campaign in World War I. The Imperial Camel Corps comprised infantrymen mounted on camels for movement across desert, though they dismounted at battle sites and fought on foot. After July 1918, the Corps began to become run down, receiving no new reinforcements, and was formally disbanded in 1919.[74]
  • In World War I, the British Army also created the Egyptian Camel Transport Corps, which consisted of a group of Egyptian camel drivers and their camels. The Corps supported British war operations in Sinai, Palestine, and Syria by transporting supplies to the troops.[79][80][81]
  • The Somaliland Camel Corps was created by colonial authorities in British Somaliland in 1912; it was disbanded in 1944.[82]
  • Bactrian camels were used by Romanian forces during World War II in the Caucasian region.[83]
  • The Bikaner Camel Corps of British India fought alongside the British Indian Army in World Wars I and II.[84]
  • The Tropas Nómadas (Nomad Troops) were an auxiliary regiment of Sahrawi tribesmen serving in the colonial army in Spanish Sahara (today Western Sahara). Operational from the 1930s until the end of the Spanish presence in the territory in 1975, the Tropas Nómadas were equipped with small arms and led by Spanish officers. The unit guarded outposts and sometimes conducted patrols on camelback.[85][86]

Food uses

Dairy

Camel calf feeding on its mother's milk

Camel milk is a staple food of desert nomad tribes and is sometimes considered a meal in and of itself; a nomad can live on only camel milk for almost a month.[13][31][87][88] Camel milk is rich in vitamins, minerals, proteins, and immunoglobulins;[89] compared to cow's milk, it is lower in fat and lactose,[90] and higher in potassium, iron, and vitamin C.[8] Bedouins believe the curative powers of camel milk are enhanced if the camel's diet consists of certain desert plants.[13][91] Camel milk can readily be made into a drinkable yogurt, as well as butter or cheese, though the yields for cheese tend to be low.[13][90]

Camel milk cannot be made into butter by the traditional churning method. It can be made if it is soured first, churned, and a clarifying agent added.[13] Until recently, camel milk could not be made into camel cheese because rennet was unable to coagulate the milk proteins to allow the collection of curds.[92] Developing less wasteful uses of the milk, the FAO commissioned Professor J.P. Ramet of the École Nationale Supérieure d'Agronomie et des Industries Alimentaires, who was able to produce curdling by the addition of calcium phosphate and vegetable rennet.[90] The cheese produced from this process has low levels of cholesterol and is easy to digest, even for the lactose intolerant.[93][94] The sale of camel cheese is limited owing to the small output of the few dairies producing camel cheese and the absence of camel cheese in local (West African) markets.[90] Cheese imports from countries that traditionally breed camels are difficult to obtain due to restrictions on dairy imports from these regions.[95]

Camel milk has been made into ice cream in a Netherlands camel farm.[96]

Meat

A camel meat and rice dish.

A camel carcass can provide a substantial amount of meat. The male dromedary carcass can weigh 300–400 kg (661–882 lb), while the carcass of a male Bactrian can weigh up to 650 kg (1,433 lb). The carcass of a female dromedary weighs less than the male, ranging between 250 and 350 kg (550 and 770 lb).[12] The brisket, ribs and loin are among the preferred parts, and the hump is considered a delicacy.[97] The hump contains "white and sickly fat", which can be used to make the khli (preserved meat) of mutton, beef, or camel.[98] Camel meat is reported to taste like coarse beef, but older camels can prove to be very tough,[8][12] although camel meat becomes more tender the more it is cooked.[99] The Abu Dhabi Officers' Club serves a camel burger mixed with beef or lamb fat in order to improve the texture and taste.[100] In Karachi, Pakistan, some restaurants prepare nihari from camel meat.[101]

Camel meat has been eaten for centuries. It has been recorded by ancient Greek writers as an available dish in ancient Persia at banquets, usually roasted whole.[102] The ancient Roman emperor Heliogabalus enjoyed camel's heel.[31] Camel meat is still eaten in certain regions, including Somalia, Djibouti, Saudi Arabia, Egypt, Libya, Sudan, Kazakhstan, and other arid regions where alternative forms of protein may be limited or where camel meat has had a long cultural history.[12][31][97] Camel blood is also consumable, as is the case among pastoralists in northern Kenya, where camel blood is drunk with milk and acts as a key source of iron, vitamin D, salts and minerals.[12][97][103] Camel meat is also occasionally found in Australian cuisine: for example, a camel lasagna is available in Alice Springs.[102][103]

A 2005 report issued jointly by the Saudi Ministry of Health and the United States Centers for Disease Control and Prevention details cases of human bubonic plague resulting from the ingestion of raw camel liver.[104]

Religion

Islam

Camel meat is halal for Muslims. However, according to some Islamic schools of thought, a state of impurity is brought on by the consumption of it. Consequently, these schools hold that Muslims must perform wudhu (ablution) before the next time they pray after eating camel.[105]

Also, some Islamic schools of thought consider it haraam for a Muslim to perform salat in places where camels lie, as it is said to be a dwelling place of shaytan.[105]

According to ahadith collected by Bukhari and Muslim, Muhammad ordered a certain group of people to drink camel milk and urine as a medicine.[106][107] However, according to Abū Ḥanīfa, the drinking of camel urine, while not forbidden (ḥaram), is disliked (makrūh) in Islam.[108]

Judaism

See also: Taboo food and drink

According to Jewish tradition, camel meat and milk are not kosher.[109] Camels possess only one of the two kosher criteria; although they chew their cud, they do not possess cloven hooves:[110]

Nevertheless these shall ye not eat of them that only chew the cud, or of them that only part the hoof: the camel, because he cheweth the cud but parteth not the hoof, he is unclean unto you.

— Leviticus 11:4

Distribution and numbers

A view into a canyon: many camels gathering around a watering hole
Camels in the Guelta d'Archei, in northeastern Chad

There are around 14 million camels alive as of 2010, with 90% being dromedaries.[111] Dromedaries alive today are domesticated animals (mostly living in the Horn of Africa, the Sahel, Maghreb, Middle East and South Asia). The Horn region alone has the largest concentration of camels in the world,[18] where the dromedaries constitute an important part of local nomadic life. They provide nomadic people in Somalia (which has the largest camel herd in the world)[12] and Ethiopia with milk, food, and transportation.[88][112][113][114]

A world map with large camel populations marked
Commercial camel market headcount in 2003

The Bactrian camel is, as of 2010, reduced to an estimated 1.4 million animals, most of which domesticated.[34][111][115] The only truly wild Bactrian camels, of which there are less than one thousand, are thought to inhabit the Gobi Desert in China and Mongolia.[61][116]

The largest population of feral camels is in Australia. There are around 700,000 feral dromedary camels in central parts of Australia, descended from those introduced as a method of transport in the 19th and early 20th centuries.[103][111][117] This population is growing about 8% per year.[118] Representatives of the Australian government have culled more than 100,000 of the animals in part because the camels use too much of the limited resources needed by sheep farmers.[119]

A small population of introduced camels, dromedaries and Bactrians, wandered through Southwest United States after having been imported in the 1800s as part of the U.S. Camel Corps experiment. When the project ended, they were used as draft animals in mines and escaped or were released. Twenty-five U.S. camels were bought and imported to Canada during the Cariboo Gold Rush.[70]

See also

Notes

  1. ^ "Camelus gigas". ZipcodeZoo. BayScience Foundation, Inc. Retrieved 7 December 2012.
  2. ^ a b c Worboys, Graeme L.; Francis, Wendy L.; Lockwood, Michael (30 March 2010). Connectivity Conservation Management: A Global Guide. Earthscan. p. 142. ISBN 9781844076048.
  3. ^ Falconer, Hugh (1868). Palæontological Memoirs and Notes of the Late Hugh Falconer: Fauna antiqua sivalensis. R. Hardwicke. p. 231.
  4. ^ "camel". The New Oxford American Dictionary (2nd ed.). Oxford University Press, Inc. 2005.
  5. ^ Herper, Douglas. "camel". Online Etymology Dictionary. Retrieved 28 November 2012.
  6. ^ "llama". Century Dictionary and Cyclopedia. wordnik. Retrieved 28 November 2012.
  7. ^ Bornstein, Set (2010). "Important ectoparasites of Alpaca (Vicugna pacos)". Acta Veterinaria Scandinavica. 52 (Suppl 1): S17. doi:10.1186/1751-0147-52-S1-S17. ISSN 1751-0147. Retrieved 28 November 2012.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  8. ^ a b c "The amazing characteristics of the camels". Camello Safari. Retrieved 26 November 2012.
  9. ^ "How Fast Can Camels Run and How Long Can They Run For?". Big Site of Amazing Facts. Retrieved 29 November 2012.
  10. ^ Abu-Zidana, Fikri M.; Eida, Hani O.; Hefnya, Ashraf F.; Bashira, Masoud O.; Branickia, Frank (18 December 2011). "Camel bite injuries in United Arab Emirates: A 6 year prospective study". Injury. doi:10.1016/j.injury.2011.10.039. PMID 22186231. The male mature camel has a specialized inflatable diverticulum of the soft palate called the "Dulla". and During rutting the Dulla enlarges on filling with air from the trachea until it hangs out of the mouth of the camel and comes to resemble a pink ball. This occurs in only the one-humped camel. Copious saliva turns to foam covering the mouth as the male gurgles and makes metallic sounds. [6 cites to 5 references omitted] {{cite journal}}: |format= requires |url= (help)
  11. ^ Two Male Camels Fighting Over One Female.
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  38. ^ Bianchi, N. O.; Larramendy, M. L.; Bianchi, M. S.; Cortés, L. (1986). "Karyological conservatism in South American camelids". Experientia. 42: 622–4. doi:10.1007/BF01955563.
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  43. ^ Stanley, H. F.; Kadwell, M.; Wheeler, J. C. (1994). "Molecular Evolution of the Family Camelidae: A Mitochondrial DNA Study". Proceedings of the Royal Society B: Biological Sciences. 256: 1–6. doi:10.1098/rspb.1994.0041.
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  56. ^ Allen, Kate Camel fossils discovered in Canada’s Arctic shed light on animal’s evolution, Toronto Star. 5 March 2013. Retrieved 5 March 2013.
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  58. ^ http://www.huffingtonpost.com/2013/03/06/camel-fossils-arctic-ellesmere-island_n_2812034.html
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  60. ^ Walker, Matt (22 July 2009). "Wild camels 'genetically unique'". Earth News. BBC. Retrieved 4 December 2012.
  61. ^ a b Cite error: The named reference nationalgeo-bactrian was invoked but never defined (see the help page).
  62. ^ Scarre, Chris (15 September 1993). Smithsonian Timelines of the Ancient World. London: D. Kindersley. p. 176. ISBN 978-1-56458-305-5. Both the dromedary (the seven-humped camel of Arabia) and the Bactrian camel (the two-humped camel of Central Asia) had been domesticated since before 2000 BC.
  63. ^ Bulliet, Richard (20 May 1990) [1975]. The Camel and the Wheel. Morningside Book Series. Columbia University Press. p. 183. ISBN 978-0-231-07235-9. As has already been mentioned, this type of utilization [camels pulling wagons] goes back to the earliest known period of two-humped camel domestication in the third millennium B.C.—Note that Bulliet has many more references to early use of camels
  64. ^ Camels were first domesticated in Somalia according to this new Archaeology book http://books.google.co.uk/books?id=khR0apPid8gC&pg=PA120&redir_esc=y#v=onepage&q&f=false
  65. ^ Fagan, Brian M, ed. (2004). "Transportation". The Seventy Great Inventions of the Ancient World. London: Thames & Hudson. pp. 150–152. ISBN 0-500-05130-5.[page needed]
  66. ^ Gabriel, Richard A. (2007). Soldiers' Lives Through History: The Ancient World. Greenwood Publishing Group. p. xvi. ISBN 9780313333484.
  67. ^ Bhatia, Vimal (23 July 2012). "BSF to ditch camels to ride sand scooters". The Times of India. Retrieved 4 December 2012.
  68. ^ Gann, Lewis Henry; Duignan, Peter (1972). Africa and the World: An Introduction to the History of Sub-Saharan Africa from Antiquity to 1840. University Press of America. p. 156. ISBN 9780761815204. The camel was acclimatized in Egypt long before the time of Christ and was subsequently adopted by the Berbers of the desert, who used camel cavalry to fight the Romans. The Berbers spread the use of the camel across the Sahara.
  69. ^ Fleming, Walter L. (February 1909). "Jefferson Davis's Camel Experiment". The Popular Science Monthly. Vol. 74, no. 8. Bonnier Corporation. p. 150. ISSN 0161-7370. Other trials of the camel were made in 1859 by Major D. H. Vinton, who used twenty-four of them in carrying burdens for a surveying party...All in all, he concluded, the camel was much superior to the mule.
  70. ^ a b c Mantz, John (20 April 2006). "Camels in the Cariboo". In Basque, Garnet (ed.). Frontier Days in British Columbia. Heritage House Publishing Co. pp. 51–54. ISBN 9781894384018.
  71. ^ Southern, Pat (1 October 2007). The Roman Army: A Social and Institutional History. Oxford University Press. p. 123. ISBN 9780195328783.
  72. ^ Nicolle, David (26 March 1991). The Desert Frontier. Rome's Enemies. Vol. 5 (illustrated, reprint ed.). Osprey Publishing. p. 4. ISBN 9781855321663. Nevertheless the military prowess of desert peoples impressed the Romans, who recruited large numbers as auxiliary cavalry and archers. In addition to providing the Roman Army with its best archers, the Easterners (largely Arabs but generally known as 'Syrians') served as Rome's most effective dromedarii or camel-mounted troops.
  73. ^ Herodotus (440 BC). The History of Herodotus. Translated by Rawlinson, George. Retrieved 4 December 2012. He collected together all the camels that had come in the train of his army to carry the provisions and the baggage, and taking off their loads, he mounted riders upon them accoutred as horsemen. These he commanded to advance in front of his other troops against the Lydian horse; behind them were to follow the foot soldiers, and last of all the cavalry. When his arrangements were complete, he gave his troops orders to slay all the other Lydians who came in their way without mercy, but to spare Croesus and not kill him, even if he should be seized and offer resistance. The reason why Cyrus opposed his camels to the enemy's horse was because the horse has a natural dread of the camel, and cannot abide either the sight or the smell of that animal. By this stratagem he hoped to make Croesus's horse useless to him, the horse being what he chiefly depended on for victory. The two armies then joined battle, and immediately the Lydian war-horses, seeing and smelling the camels, turned round and galloped off; and so it came to pass that all Croesus's hopes withered away. {{cite book}}: Check date values in: |date= (help)
  74. ^ a b "Cameliers and camels at war". New Zealand History online. History Group of the New Zealand Ministry for Culture and Heritage. 30 August 2009. Retrieved 5 December 2012. Cite error: The named reference "historygroup-nz" was defined multiple times with different content (see the help page).
  75. ^ "The Posts at Benicia". The California State Military Museum. Retrieved 4 December 2012.
  76. ^ "Vitrine N° 108 (partie droite): LES PELOTONS MEHARISTES" (in French). Musée de l'infanterie. Retrieved 5 December 2012.
  77. ^ Hall, Bruce S. (6 June 2011). A History of Race in Muslim West Africa, 1600-1960. Cambridge University Press. p. 143. ISBN 9781107002876.
  78. ^ Guillaume, Philippe (16 June 2012). "L'incroyable épopée des méharistes français". BDSphère (in French). Retrieved 5 December 2012. {{cite news}}: Unknown parameter |trans_title= ignored (|trans-title= suggested) (help)
  79. ^ Woodward, David R. (2006). Hell in the Holy Land: World War I in the Middle East. University Press of Kentucky. pp. 36, 39, 43, 56, 133. ISBN 9780813123837.
  80. ^ Murray, Archibald James (1920). Sir Archibald Murray's despatches (June 1916–June 1917). J.M. Dent. p. 123. A great deal of the work of supplying the troops on both fronts has been done by the Camel Transport Corps
  81. ^ McGregor, Andrew James (30 May 2006). A Military History of Modern Egypt: From the Ottoman Conquest to the Ramadan War. Greenwood Publishing Group. p. 215. ISBN 9780275986018.
  82. ^ Federal Research Division (30 June 2004). Somalia a Country Study. Area handbook series (3rd ed.). Kessinger Publishing. pp. 230–231. ISBN 9781419147999.
  83. ^ "Romanian troops using camels". WWII in Color.
  84. ^ Jupiter Infomedia Ltd (28 November 2012). "Bikaner Camel Corps, Presidency Armies in British India". IndiaNetzone. {{cite web}}: |access-date= requires |url= (help); Missing or empty |url= (help)
  85. ^ Shelley, Toby (December 2007). "Sons of the Clouds". Red Pepper. Location. Retrieved 6 December 2012.
  86. ^ Hermandad de Veteranos Tropas Nómadas del Sáhara. "Los Medios". Historia: Agrupación de Tropas Nómadas (in Spanish). Retrieved 6 December 2012. {{cite web}}: Unknown parameter |trans_title= ignored (|trans-title= suggested) (help)
  87. ^ Bulliet, Richard W. (1975). The Camel and the Wheel. Columbia University Press. pp. 23, 25, 28, 35–36, 38–40. ISBN 9780231072359.
  88. ^ a b "Camel Milk". Milk & Dairy Products. FAO's Animal Production and Health Division. 25 September 2012. Retrieved 6 December 2012.
  89. ^ Shamsia, S. M. (July 2009). "Nutritional and therapeutic properties of camel and human milks" (PDF). International Journal of Genetics and Molecular Biology. 1 (2): 52–58.
  90. ^ a b c d "Fresh from your local drome'dairy'?". Food and Agriculture Organization. 6 July 2001.
  91. ^ Yagil. Milk Products and Their Uses. The belief among the Bedouin of the Sinai Peninsula, is that any internal disease can be cured by drinking camel milk. The milk is said to be of such a strength, and to have such health-giving properties, that all the bacteria are driven from the body. This said to be true only for camels that eat certain shrubs and bushes. The shrubs and bushes are, themselves, used in the preparation of medicines. However, camels which eat straw are said to lose this ability.
  92. ^ Ramet. Camel milk and cheese making.
  93. ^ Ramet. Methods of processing camel milk into cheese.
  94. ^ Young, Philippa. "In Mongolian the Word 'Gobi' Means 'Desert'". Retrieved 6 December 2012. As evening approaches we are offered camel meat boats, dumplings stuffed with a finely chopped mixture of meat and vegetables, followed by camel milk tea and finally, warm fresh camel's milk to aid digestion and help us sleep.
  95. ^ Associated Press (16 November 2003). "Camel cheese could enrich Sahara Desert herder". The Augusta Chronicle. Morris Communications LLC. Retrieved 7 December 2012.
  96. ^ "Netherland's 'crazy' camel farmer". BBC. 5 November 2011. Retrieved 7 November 2011.
  97. ^ a b c Yagil. Camels Products Other Than Milk.
  98. ^ Madame Guinaudeau (2003). Traditional Moroccan Cooking: Recipes from Fez. London: Serif. ISBN 1-897959-43-5.
  99. ^ Rubenstein, Dustin (23 July 2010). "How to Cook Camel". The New York Times. Retrieved 7 December 2012. He cut the pieces very small and cooked them for a long time. I decided to try something a bit different the following night and cut the pieces a bit bigger and cooked them for less time, as I like my meat rarer than he does. This was a bad idea. It seems that the more you cook camel, the more tender it becomes. So we had what amounted to two pounds or more of rubber for dinner that night.
  100. ^ Arthur, Rick (4 January 2012). "The Instant Expert: camels, the ships of the desert". The National. UAE: Abu Dhabi Media. As the meat can be dry, however, the Abu Dhabi Officer's Club, for one, serves camel burger with beef or lamb fat mixed in, improving texture and taste. {{cite news}}: |access-date= requires |url= (help)
  101. ^ Jasra, Abdel Wahid; Isani, G. B.; Camel Applied Research and Development Network (2000). Socio-economics of camel herders in Pakistan. The Camel Applied Research and Development Network. p. 164.
  102. ^ a b Sherwood, Andy (17 September 2012). "Camel burgers in Abu Dhabi". Time Out Abu Dhabi. Retrieved 7 December 2012.
  103. ^ a b c Webster, George (9 February 2010). "Dubai diners flock to eat new 'camel burger'". CNN World. CNN. Retrieved 7 December 2012.
  104. ^ Bin Saeed, Abdulaziz A.; Al-Hamdan, Nasser A.; Fontaine, Robert E. (2005). "Plague from eating raw camel liver". Emerging Infectious Diseases. 11 (9): 1456–7. PMC 3310619. PMID 16229781.
  105. ^ a b "Book 1, Number 0184". Purification (Kitab Al-Taharah). Partial Translation of Sunan Abu-Dawud, Book 1. Center for Muslim-Jewish Engagement. Archived from the original on 16 July 2011. Retrieved 25 December. Narrated Al-Bara' ibn Azib: The Messenger of Allah (peace_be_upon_him) was asked about performing ablution after eating the flesh of the camel. He replied: Perform ablution, after eating it. He was asked about performing ablution after eating meat. He replied: Do not perform ablution after eating it. He was asked about saying prayer in places where the camels lie down. He replied: Do not offer prayer in places where the camels lie down. These are the places of Satan. He was asked about saying prayer in the sheepfolds. He replied: You may offer prayer in such places; these are the places of blessing. {{cite web}}: Check date values in: |accessdate= (help)
  106. ^ "Punishment of Disbelievers at War with Allah and His Apostle: Volume 8, Book 82, Hadith 794". Sahih Bukhari. Translated by M. Muhsin Khan.{{cite book}}: CS1 maint: others (link)
  107. ^ "The Book Pertaining to the Oath, for Establishing the Responsibility of Murders, Fighting, Requital Book 16 Number 4130–4132". [[Sahih Muslim]]. Translated by Abdul Hamid Siddiqui. {{cite book}}: URL–wikilink conflict (help)CS1 maint: others (link)
  108. ^ Williams, John Alden (1994). The Word of Islam. University of Texas Press. p. 98. ISBN 9780292790766.
  109. ^ Heinemann, Moshe. "Cholov Yisroel: Does a Neshama Good". Kashrus Kurrents. Star-K. Retrieved 7 December 2012.
  110. ^ Leviticus 11
  111. ^ a b c Dolby, Karen (10 August 2010). You Must Remember This: Easy Tricks & Proven Tips to Never Forget Anything, Ever Again. Random House Digital, Inc. p. 170. ISBN 9780307716255.
  112. ^ Abokor, Axmed Cali (1987). The Camel in Somali Oral Tradition. Nordic Africa Institute. pp. 7, 10–11. ISBN 9789171062697.
  113. ^ "Drought threatening Somali nomads, UN humanitarian office says". UN News Centre. 14 November 2003. Retrieved 7 December 2012. A four-year drought is threatening the lives of Somali nomads, and those of the camel herds on which they depend for transportation and milk
  114. ^ Farah, K. O.; Nyariki, D. M.; Ngugi, R. K.; Noor, I. M.; Guliye, A. Y. (2004). "The Somali and the Camel: Ecology, Management and Economics". Anthropologist. 6 (1): 45–55. Somali pastoralists are a camel community...There is no other community in the world where the camel plays such a pivotal role in the local economy and culture as in the Somali community. According to the UN Food and Agriculture Organization (FAO, 1979) estimates, there are approximately 15 million dromedary camels in the world Plain text version.
  115. ^ "Bactrian Camel" (PDF). Denver Zoo. Retrieved 7 December 2012.
  116. ^ Hare, J. "Camelus ferus". IUCN Redlist. International Union for Conservation of Nature and Natural Resources. Retrieved 7 December 2012.
  117. ^ Saalfeld, W.K.; Edwards, GP (2008). "Ecology of feral camels in Australia". Managing the impacts of feral camels in Australia: a new way of doing business (DKCRC Report 47). Alice Springs: Desert Knowledge Cooperative Research Centre. ISBN 1-74158-094-3. ISSN 1832-6684.
  118. ^ Attention: This template ({{cite doi}}) is deprecated. To cite the publication identified by doi: 10.1071/RJ09053, please use {{cite journal}} (if it was published in a bona fide academic journal, otherwise {{cite report}} with |doi= 10.1071/RJ09053 instead.
  119. ^ Tsai, Vivian (14 September 2012). "Australia Culls 100,000 Feral Camels To Limit Environmental Damage, Many More Will Be Killed". U.S. Edition. International Business Times. Archived from the original on 1 November 2012. Retrieved 1 November 2012.

References

Further reading

  • Gilchrist, W. (1851). A Practical Treatise on the Treatment of the Diseases of the Elephant, Camel & Horned Cattle: with instructions for improving their efficiency; also, a description of the medicines used in the treatment of their diseases; and a general outline of their anatomy'. Calcutta: Military Orphan Press.
Wikimedia Commons has media related to Camelus.
Wikiquote has quotations related to Camels.
Wikispecies has information related to Camelus.
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