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A camel (from Latin: camelus and Greek: κάμηλος ( kamēlos) from Ancient Semitic: gāmāl [7] [8]) is an even-toed ungulate in the genus Camelus that bears distinctive fatty deposits known as "humps" on its back. Camels have long been domesticated and, as livestock, they provide food ( camel milk and meat) and textiles (fiber and felt ...
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camel, (genus Camelus), any of three species of large ruminating hoofed mammals of arid Africa and Asia known for their ability to go for long periods without drinking. The Arabian camel, or dromedary (Camelus dromedarius), has one back hump, while the domesticated Bactrian camel (C. bactrianus) and the wild Bactrian camel (C. ferus) have two.
These “ships of the desert” have long been valued as pack or saddle animals, and they are also exploited for milk, meat, wool, and hides. The dromedary was domesticated about 3000–2000 bce in Arabia, the Bactrian camel by 4000 bce in the steppes of Central Asia. Most of today’s 13 million domesticated dromedaries and roughly 97 domesticated breeds are in India and in the Horn of Africa. Wild dromedaries are extinct, although there is a large feral population in interior Australia descended from pack animals imported in the 19th century. About one million domesticated Bactrian camels range from the Middle East to China and Mongolia. The International Union for Conservation of Nature (IUCN) has classified the wild Bactrian camel as a critically endangered species since 2002. The largest population—numbering approximately 650 adult animals—lives in the Gobi Desert.
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Camels have an unmistakable silhouette, with their humped back, short tail, long slim legs, and long neck that dips downward and rises to a small narrow head. The upper lip is split into two sections that move independently. All three species are about 3 metres (10 feet) long and 2 metres (6.6 feet) high at the hump (itself 20 cm [8 inches]). Males weigh 400 to 650 kg (900 to 1,400 pounds), and females are about 10 percent smaller. Colour is usually light brown but can be grayish. Domesticated Bactrian camels are darker, stockier, and woollier than the wild form. Heavy eyelashes protect the eyes from blowing sand, and the nostrils can be squeezed shut. The dromedary has horny pads on the chest and knees that protect it from searing desert sand when it lies down, but the Bactrian camel lacks these callosities. Camels are generally docile, but they will bite or kick when annoyed. When excited, camels huff so sharply that spit is incidentally expelled.
Camels do not walk on their hooves. On each leg, weight is borne on two large toes that spread apart to keep the animal from sinking into the sand. Dromedaries have a soft wide-spreading pad for walking on sand; Bactrian camels have a firmer foot. Like the giraffe’s, the camel’s gait is a pace, with both legs on a side moving together. Short bursts of 65 km (40 miles) per hour are possible, but camels are excellent plodders. Bactrian camels can carry more than 200 kg (about 440 pounds) for 50 km (31 miles) in a day, while the more lightly built dromedaries can carry up to 100 kg (about 220 pounds) for 60 km (about 37 miles) if they are worked in the coolness of night.
During catastrophic droughts, herdsmen may lose all of their cattle, sheep, and goats while 80 percent of the camels will survive, owing to the camel’s ability to conserve water and tolerate dehydration. In severe heat a camel survives four to seven days without drinking, but it can go 10 months without drinking at all if it is not working and the forage contains enough moisture. Even salty water can be tolerated, and between drinks it forages far from oases to find food unavailable to other livestock. The body rehydrates within minutes of a long drink, absorbing over 100 litres (25 gallons) in 5–10 minutes. Cattle could not tolerate such a sudden dilution of the blood, because their red blood cells would burst under the osmotic stress; camel erythrocyte membranes are viscous (that is, sticky and flow-resistant), which permits swelling. A thirsty camel can reduce its urine output to one-fifth of its normal volume and produce feces dry enough for herders to use as fuel for fires.
Another adaptation is minimization of sweating. The fine woolly coat insulates the body, reducing heat gain. The camel also can allow its body temperature to rise to 41 °C (106 °F) before sweating at all. This reduces the temperature difference between the camel and its environment and thereby reduces heat gain and water loss by as much as two-thirds. Only in the hottest weather must the camel sweat. It tolerates extreme dehydration and can lose up to 25–30 percent of its body weight—twice what would be fatal for most mammals.
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Camels are among those few creatures with which humans have forged a special bond of dependence and affinity. Traditional lifestyles in many regions of the Middle East, North Africa, and Central Asia would never have developed without the camel, around which entire cultures have come into being. This camel-based culture is best exemplified by the Bedouin of the Arabian Peninsula—the native habitat of the dromedary—whose entire traditional economy depended on the produce of the camel. Camel’s milk and flesh were staples of the Bedouin diet, and its hair yielded cloth for shelter and clothing; its endurance as a beast of burden and as a mount enabled the Bedouin to range far into the desert. The mobility and freedom that the camel afforded to desert Arabs helped forge their independent culture and their strong sense of self-reliance, and they celebrated the camel in their native poetic verse, the qaṣīdah, in which the nāqah (female camel) was a faithful, unwavering mount. Among these nomadic people, a man’s wealth was measured not only by the number of camels he possessed but also by their speed, stamina, and endurance.
Until modern times, the camel was the backbone of the caravan trade, a central pillar of the economy in large parts of Asia and Africa. In settled regions, the caravansary, located on the outskirts of most urban centres, served as a hub for business and as a source of information about the outside world for the city’s residents. In the central Islamic lands, it likewise set the scene for many tales in the rich Arab-Persian oral tradition of storytelling, such as those found in The Thousand and One Nights. In Central Asia, vast and numerous camel caravans ensured the wealth and growth of the great trading cities of the Silk Road, upon which goods moved between Asia and Europe.
Mar 15, 2023 · The evolution of camels is a fascinating story dating back millions of years. These remarkable creatures have adapted to survive in some of the harshest environments on earth. Their unique physical characteristics and impressive abilities have made them invaluable to humans for thousands of years. From their prehistoric ancestors to the diverse ...
- Protylopus. The first member of the Camelidae family that appeared was Protylopus. Protylopus was the first camel that lived in North America, about 45 million years ago, during the late Eocene epoch.
- Poebrotherium. Around 37 million years ago, the dense forests that were Protylopus’ habitat, had been slowly turning into open woodlands. This has led to the evolution of Protylopus to a creature called Poebrotherium.
- Procamelus. Procamelus was a camelid that existed 22 million years ago in North America, during the Miocene Epoch. They are the earliest members of the true Camelidae family.
- Aepycamelus. Aepycamelus was a camelid that existed 21 million years ago. With a size of nineteen feet (5.8 m), it was the earliest of the giant camels.
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Dec 13, 2019 · Humans and camels have a long history together. Camels have been used as pack animals for centuries and were likely domesticated in the Arabian peninsula between 3000 and 2500 BC. Due to their unique features that allow them to withstand desert travel, camels helped to facilitate trade.
- Regina Bailey
May 30, 2019 · There are two domesticated species and two wild species of camels, all of them located in Andean South America. South American camels were also definitely used for food (they were likely the first meat used in c'harki) and transport, but they also were prized for their ability to navigate in the high altitude arid environments of the Andes ...
Sep 17, 2020 · Camels are social animals that live in groups, called herds. The herd consists of a dominant adult male, females, and their young. Other males that have been chased out of the group form bachelor ...
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