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Tagagamit:Bluemask/burador/Cheetah

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Tungkol sa the animal ang pahina na ito. Para sa ibang mga gamit, tingnan ang Cheetah (disambiguation).

Cheetah[1]
Temporal na saklaw: Late Pliocene to Recent
Katayuan ng pagpapanatili
Klasipikasyong pang-agham
Kaharian:
Animalia
Kalapian:
Chordata
Hati:
Mammalia
Orden:
Carnivora
Pamilya:
Felidae
Sari:
Acinonyx
Espesye:
A. jubatus
Pangalang binomial
Acinonyx jubatus
(Schreber, 1775)
Tipo ng espesye
Acinonyx venator
Brookes, 1828 (= Felis jubata, Schreber, 1775) by monotypy
Subspecies

See text.

The range of the cheetah

Lead

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The cheetah (Acinonyx jubatus) is a large feline (family Felidae, subfamily Felinae) inhabiting most of Africa and parts of Iran. It is the only extant member of the genus Acinonyx. The cheetah can run faster than any other land animal— as fast as 112 hanggang 120 km/h (70 hanggang 75 mph)[3][4][5][6][7][8] in short bursts covering distances up to 500 m (1,600 tal), and has the ability to accelerate from 0 to 100 km/h (62 mph) in three seconds.[9] This cat is also notable for modifications in the species' paws. It is one of the few felids with semi-retractable claws.[10]

Etymology

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The word "cheetah" is derived from the Sanskrit word citrakāyaḥ, meaning "variegated", from the Hindi 'चीता' (cītā).[11]

Genetics, evolution, and classification

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The genus name, Acinonyx, means "no-move-claw" in Greek, while the species name, jubatus, means "maned" or "crested" in Latin, a reference to the dorsal crest found in cheetah cubs.[12]

 
Cheetah mother with cub

The cheetah has unusually low genetic variability. This is accompanied by a very low sperm count, motility, and deformed flagella.[13] Skin grafts between unrelated cheetahs illustrate the former point, in that there is no rejection of the donor skin. It is thought that the species went through a prolonged period of inbreeding following a genetic bottleneck during the last ice age. This suggests that genetic monomorphism did not prevent the cheetah from flourishing across two continents for thousands of years.[14]

The cheetah likely evolved in Africa during the Miocene epoch (26 million to 7.5 million years ago), before migrating to Asia. Recent research has placed the last common ancestor of all existing populations as living in Asia 11 million years ago, which may lead to revision and refinement of existing ideas about cheetah evolution.[15]

 
Cheetah at the Maasai Mara National Reserve

The now-extinct species include: Acinonyx pardinensis (Pliocene epoch), much larger than the modern cheetah and found in Europe, India, and China; Acinonyx intermedius (mid-Pleistocene period), found over the same range. The extinct genus Miracinonyx was extremely cheetah-like, but recent DNA analysis has shown that Miracinonyx inexpectatus, Miracinonyx studeri, and Miracinonyx trumani (early to late Pleistocene epoch), found in North America and called the "North American cheetah" are not true cheetahs, instead being close relatives to the cougar.[16]

Subspecies

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Although many sources list six or more subspecies of cheetah, the taxonomic status of most of these subspecies is unresolved. Acinonyx rex—the king cheetah—was abandoned as a subspecies after it was discovered that the variation was caused by a single recessive gene. The subspecies Acinonyx jubatus guttatus, the woolly cheetah, may also have been a variation due to a recessive gene. Some of the most commonly recognized subspecies include:[17]

Description

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Cheetah skull
 
Paws. Note the blunt, semi-retractable claws.

The cheetah's chest is deep and its waist is narrow. The coarse, short fur of the cheetah is tan with round black spots measuring from 2 hanggang 3 cm (0.79 hanggang 1.18 pul) across, affording it some camouflage while hunting. There are no spots on its white underside, but the tail has spots, which merge to form four to six dark rings at the end. The tail usually ends in a bushy white tuft. The cheetah has a small head with high-set eyes. Black "tear marks" running from the corner of its eyes down the sides of the nose to its mouth keep sunlight out of its eyes and aid in hunting and seeing long distances. Its thin and fragile body make it well-suited to short bursts of high speed, but not to long-distance running.

Agility, rather than raw speed, accounts for much of the cheetah's ability to catch prey. Cheetahs can accelerate four times as fast as a human (thanks to greater muscle power) and can slow down by 14 kilometers per hour in one stride. They can hunt successfully in dense forests.[18]

The adult cheetah weighs from 21 hanggang 72 kg (46 hanggang 159 lb). Its total head-and-body length is from 110 hanggang 150 cm (43 hanggang 59 pul), while the tail can measure 60 hanggang 84 cm (24 hanggang 33 pul) in length.[19][20][21][22] Cheetahs are 66 hanggang 94 cm (26 hanggang 37 pul) tall at the shoulder. Males tend to be slightly larger than females and have slightly bigger heads, but there is not a great variation in cheetah sizes and it is difficult to tell males and females apart by appearance alone. Compared to a similarly sized leopard, the cheetah is generally shorter-bodied, but is longer tailed and taller (it averages about 90 cm (35 pul) tall) and so it appears more streamlined.

Some cheetahs have a rare fur pattern mutation of larger, blotchy, merged spots. Known as "king cheetahs," they were once thought to constitute a separate subspecies but are in fact African cheetahs; their unusual fur pattern is the result of a single recessive gene.[23] The "king cheetah" has only been seen in the wild a handful of times, but it has been bred in captivity.

 
Comparative illustration of a leopard (left) and cheetah (right)

The cheetah's paws have semi-retractable claws (known only in three other cat species: the fishing cat, the flat-headed cat and the Iriomote cat), offering extra grip in its high-speed pursuits. The ligament structure of the cheetah's claws is the same as those of other cats; it simply lacks the sheath of skin and fur present in other varieties, and therefore, with the exception of the dewclaw, the claws are always visible. The dewclaw is much shorter and straighter than that of other cats.

Adaptations that enable the cheetah to run as fast as it does include large nostrils that allow for increased oxygen intake, and an enlarged heart and lungs that work together to circulate oxygen efficiently. During a typical chase, its respiratory rate increases from 60 to 150 breaths per minute.[13] While running, in addition to having good traction due to its semi-retractable claws, the cheetah uses its tail as a rudder-like means of steering[kailangan ng sanggunian] to allow it to make sharp turns, necessary to outflank prey animals that often make such turns to escape.

Unlike true big cats of subfamily Pantherinae, the cheetah can purr as it inhales, but cannot roar. By contrast, the big cats can roar but cannot purr, except while exhaling. The cheetah is still considered by some to be the smallest of the big cats. While it is often mistaken for the leopard, the cheetah does have distinguishing features, such as the aforementioned long "tear-streak" lines that run from the corners of its eyes to its mouth, and spots that are not "rosettes". The thinner body frame of the cheetah is also very different from that of the leopard.

A documentary video shot at 1200fps documenting the movement of a cheetah over a set run

The cheetah is a vulnerable species. Of all the big cats, it is the least able to adapt to new environments. It has always proved difficult to breed in captivity, although recently a few zoos have managed to succeed at this. One technique has been to introduce a dog as a playmate and guard dog to enable a captive cheetah to feel less threatened.[24]

Once widely hunted for its fur, the cheetah now suffers more from the loss of both habitat and prey.

The cheetah was formerly considered to be particularly primitive among the cats and to have evolved approximately 18 million years ago. However, new research suggests the last common ancestor of all 40 existing species of felines lived more recently than about 11 million years ago. The same research indicates that the cheetah, while highly derived morphologically, is not of particularly ancient lineage, having separated from its closest living relatives (Puma concolor, the cougar, and Puma yaguarondi, the jaguarundi) around five million years ago.[16] These felids have not changed appreciably since they first appeared in the fossil record.

Morphs and variations

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King cheetah

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A king cheetah showing its distinctive coat pattern

The king cheetah is a rare mutation of the cheetah characterized by a distinct fur pattern. It was first noted in what was then Southern Rhodesia (modern-day Zimbabwe) in 1926. In 1927, the naturalist Reginald Innes Pocock declared it a separate species, but reversed this decision in 1939 due to lack of evidence; but in 1928, a skin purchased by Walter Rothschild was found to be intermediate in pattern between the king cheetah and spotted cheetah and Abel Chapman considered it to be a color form of the spotted cheetah. Twenty-two such skins were found between 1926 and 1974. Since 1927, the king cheetah was reported five more times in the wild. Although strangely marked skins had come from Africa, a live king cheetah was not photographed until 1974 in South Africa's Kruger National Park. Cryptozoologists Paul and Lena Bottriell photographed one during an expedition in 1975. They also managed to obtain stuffed specimens. It appeared larger than a spotted cheetah and its fur had a different texture. There was another wild sighting in 1986—the first in seven years. By 1987, thirty-eight specimens had been recorded, many from pelts.

Its species status was resolved in 1981 when king cheetahs were born at the De Wildt Cheetah and Wildlife Centre in South Africa. In May 1981, two spotted sisters gave birth there and each litter contained one king cheetah. The sisters had both mated with a wild-caught male from the Transvaal area (where king cheetahs had been recorded). Further king cheetahs were later born at the Centre. It has been known to exist in Zimbabwe, Botswana and in the northern part of South Africa's Transvaal province.

In 2012, the cause of this alternative coat pattern was found to be a mutation in the gene for transmembrane aminopeptidase Q (Taqpep), the same gene responsible for the striped 'mackerel' versus blotchy 'classic' patterning seen in tabby cats.[25] The mutation is recessive and must be inherited from both parents for this pattern to appear, which is one reason why it is so rare.

Other color variations

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Other rare color morphs of the species include speckles, melanism, albinism and gray coloration. Most have been reported in Indian cheetahs, particularly in captive specimens kept for hunting.

The Mughal Emperor of India, Jahangir, recorded having a white cheetah presented to him in 1608. In the memoirs of Tuzk-e-Jahangiri, the Emperor, says that in the third year of his reign, "Raja Bir Singh Deo brought a white cheetah to show me. Although other sorts of creatures, both birds and beasts have white varieties ... I had never seen a white cheetah. Its spots, which are (usually) black, were of a blue color, and the whiteness of the body also inclined to bluishness." This suggests a chinchilla mutation which restricts the amount of pigment on the hair shaft. Although the spots were formed of black pigment, the less dense pigmentation gives a hazy, grayish effect. As well as Jahangir's white cheetah at Agra, a report of "incipient albinism" has come from Beaufort West according to Guggisberg.

In a letter to "Nature in East Africa", H. F. Stoneham reported a melanistic cheetah (black with ghost markings) in the Trans-Nzoia District of Kenya in 1925. Vesey Fitzgerald saw a melanistic cheetah in Zambia in the company of a spotted cheetah. Red (erythristic) cheetahs have dark tawny spots on a golden background. Cream (isabelline) cheetahs have pale red spots on a pale background. Some desert region cheetahs are unusually pale; probably they are better-camouflaged and therefore better hunters and more likely to breed and pass on their paler colouration. Blue (Maltese or grey) cheetahs have variously been described as white cheetahs with grey-blue spots (chinchilla) or pale grey cheetahs with darker grey spots (Maltese mutation). A cheetah with hardly any spots was shot in Tanzania in 1921 (Pocock); it had only a few spots on the neck and back, and these were unusually small. Another cheetah with this color-morph was photographed in Kenya in 2012.[26]

Range and habitat

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Four cheetahs at Serengeti National Park, Tanzania

There are several geographically isolated populations of cheetah, all of which are found in Africa or southwestern Asia. A small population (estimated at about fifty) survive in the Khorasan Province of Iran, where conservationists are taking steps to protect them.[27]

It is possible, though doubtful, that some cheetahs remain in India.[kailangan ng sanggunian] There have also been several unconfirmed reports of Asiatic Cheetahs in the Balochistan province of Pakistan, with at least one dead animal being discovered recently.[28]

The cheetah thrives in areas with vast expanses of land where prey is abundant. The cheetah likes to live in an open biotope, such as semidesert, prairie, and thick brush, though it can be found in a variety of habitats. In Namibia, for example, it lives in grasslands, savannahs, areas of dense vegetation, and mountainous terrain.

In much of its former range, the cheetah was tamed by aristocrats and used to hunt antelopes in much the same way as is still done with members of the greyhound group of dogs.

Reproduction and behavior

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Females reach maturity in twenty to twenty-four months, and males around twelve months (although they do not usually mate until at least three years old), and mating occurs throughout the year. A study of cheetahs in the Serengeti showed females are sexually promiscuous and often have cubs by many different males.[29]

 
A cheetah cub

Females give birth to up to nine cubs after a gestation period of ninety to ninety-eight days, although the average litter size is four. Cubs weigh from 150 hanggang 300 g (5.3 hanggang 10.6 oz) at birth. Unlike some other cats, the cheetah is born with its characteristic spots. Cubs are also born with a downy underlying fur on their necks, called a mantle, extending to mid-back. This gives them a mane or Mohawk-type appearance; this fur is shed as the cheetah grows older. It has been speculated this mane gives a cheetah cub the appearance of the honey badger (ratel), to scare away potential aggressors.[30] Cubs leave their mother between thirteen and twenty months after birth. Life span is up to twelve years in the wild, but up to twenty years in captivity.

Unlike males, females are solitary and tend to avoid each other, though some mother/daughter pairs have been known to be formed for small periods of time. The cheetah has a unique, well-structured social order. Females live alone, except when they are raising cubs and they raise their cubs on their own. The first eighteen months of a cub's life are important; cubs must learn many lessons, because survival depends on knowing how to hunt wild prey species and avoid other predators. At eighteen months, the mother leaves the cubs, who then form a sibling ("sib") group that will stay together for another six months. At about two years, the female siblings leave the group, and the young males remain together for life.

Territories

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Males

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Male cheetah marking his territory

Males are often social and may group together for life, usually with their brothers in the same litter; although if a cub is the only male in the litter then two or three lone males may form a group, or a lone male may join an existing group. These groups are called coalitions. In one Serengeti, 41% of the adult males were solitary, 40% lived in pairs and 19% lived in trios.[31]

A coalition is six times more likely to obtain an animal territory than a lone male, although studies have shown that coalitions keep their territories just as long as lone males— between four to four and a half years.

Males are territorial. Females' home ranges can be very large and a territory including several females' ranges is impossible to defend. Instead, males choose the points at which several of the females' home ranges overlap, creating a much smaller space, which can be properly defended against intruders while maximizing the chance of reproduction. Coalitions will try their best to maintain territories to find females with whom they will mate. The size of the territory also depends on the available resources; depending on the part of Africa, the size of a male's territory can vary greatly from 37 hanggang 160 km2 (14 hanggang 62 mi kuw).

Males mark their territory by urinating on objects that stand out, such as trees, logs, or termite mounds. When male cheetahs urine-mark their territories, they stand less than one meter away from a tree or rock surface with the tail raised, pointing the penis either horizontally backward or 60° upward.[32] The whole coalition contributes to the scent.[further explanation needed] Males will attempt to kill any intruders, and fights result in serious injury or death.[33]

Females

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Female cheetah and cubs in the Ngorongoro Conservation Area

Unlike males and other felines, females do not establish territories. Instead, the area they live in is termed a home range. These overlap with other females' home ranges, often those of their daughters, mothers, or sisters. Females always hunt alone, although cubs will accompany their mothers to learn to hunt once they reach the age of five to six weeks.

The size of a home range depends entirely on the availability of prey. Cheetahs in southern African woodlands have ranges as small as 34 km2 (13 mi kuw), while in some parts of Namibia they can reach 1,500 km2 (580 mi kuw).

Vocalizations

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The cheetah cannot roar, but ranks among the more vocal felids. Several sources refer to a wide variety of cheetah vocalizations, but most of these lack a detailed acoustic description which makes it difficult to reliably assess exactly what terms refer to exactly what vocalizations. A short review of the terminology encountered is found in.[34] Some of the vocalizations listed in the literature are:

  • Chirping: When a cheetah attempts to find another, or a mother tries to locate her cubs, it uses a high-pitched barking called chirping. The chirps made by a cheetah cub sound more like a bird chirping, and so are termed chirping, too.
  • Churring or stuttering: This vocalization is emitted by a cheetah during social meetings. A churr can be seen as a social invitation to other cheetahs, an expression of interest, uncertainty, or appeasement or during meetings with the opposite sex (although each sex churrs for different reasons).
  • Growling: This vocalization is often accompanied by hissing and spitting and is exhibited by the cheetah during annoyance, or when faced with danger.
  • Yowling: This is an escalated version of growling, usually displayed when danger worsens.
  • Agonistic vocalizations: a combination of growls, moans, hisses and the "trademark" cheetah spit, which is most often accompanied by a forceful "paw hit" on the ground.[34]
  • Purring: This is made when the cheetah is content, usually during pleasant social meetings (mostly between cubs and their mothers). A characteristic of purring is that it is realized on both egressive and ingressive airstream, as seen and heard on online video and audio.[35][36][37][38][39][40]

Diet and hunting

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A cheetah strangling an impala, Timbavati Game Reserve, South Africa

The cheetah is a carnivore, eating mostly mammals under 40 kg (88 lb), including the Thomson's gazelle, the Grant's gazelle, the springbok, impala and the Wildebeest. The young of larger mammals such as wildebeests and zebras are taken at times, and adults too, when cheetahs hunt in groups. Guineafowl and hares are also prey. While the other big cats often hunt by night, the cheetah is a diurnal hunter. It hunts usually either early in the morning or later in the evening when it is not so hot, but there is still enough light.

The cheetah hunts by vision rather than by scent. Prey is stalked to within 10–30 m (33–98 tal), then chased. This is usually over in less than a minute, and if the cheetah fails to make a catch quickly, it will give up. The cheetah has an average hunting success rate of around 50%.[13] Cheetahs can run at a very high speed. In just two seconds they can run at a speed of 75 kilometers per hour. Means at a speed of 37.5 kilometers per hour in just one seconds.[41] The top speed of cheetah estimately recorded at 90 to 128 kilometers per hour. But there are some disputes between them. But cheetahs refused to run when their body temperature reaches at 40.5°C.


Running at very high speeds puts a great deal of strain on the cheetah's body. When sprinting, the cheetah's body temperature quickly elevates. If it is a hard chase, it sometimes needs to rest for half an hour or more.

The cheetah kills its prey by tripping it during the chase, then biting it on the underside of the throat to suffocate it; the cheetah is not strong enough to break the necks of most prey. The bite may also puncture a vital artery in the neck. Then the cheetah proceeds to devour its catch as quickly as possible before the kill is taken by stronger predators.

Data from 367 runs by three female and two male adults, with an average run distance of 173 m, showed that hunting cheetahs can run 58 miles (93 km) per hour.[42][43] A recent study that followed 5 African cheetahs indicated that cheetahs relied most heavily on acceleration. Most chases involved extreme maneuverability more than speed. The study indicated that cheetahs seemed to rarely run close to 60 mph or more; on most hunts they reached 30 to 35 mph, but they accelerated and changed direction much more rapidly than any other land animal.[44]

The diet of a cheetah is dependent upon the area in which it lives. For example, on the East African plains, its preferred prey is the Thomson's gazelle. This small antelope is smaller and slower than the cheetah, which makes it an appropriate prey. Cheetahs look for individuals which have strayed some distance from their group, and do not necessarily seek out old or weak ones.

 
A cheetah in pursuit of Thomson's gazelle in Ngorongoro Crater, Tanzania

Interspecific predatory relationships

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Despite their speed and hunting prowess, cheetahs are largely outranked by other large predators in most of their range. Because they have evolved for short bursts of extreme speed at the expense of their power, they cannot defend themselves against most of Africa's other predator species. They usually avoid fighting and will surrender a kill immediately to even a single hyena, rather than risk injury. Because cheetahs rely on their speed to obtain their meals, any injury that slows them down could essentially be life-threatening.

A cheetah has a 50% chance of losing its kill to other predators.[13] Cheetahs avoid competition by hunting at different times of the day and by eating immediately after the kill. Due to the reduction in habitat in Africa, cheetahs in recent years have faced greater pressure from other native African predators as available range declines.[kailangan ng sanggunian]

The cheetah's mortality is very high during the early weeks of its life; up to 90% of cheetah cubs are killed during this time by lions, leopards, hyenas, wild dogs, or even by eagles. Cheetah cubs often hide in thick brush for safety. Mother cheetahs will defend their young and are at times successful in driving predators away from their cubs. Coalitions of male cheetahs can also chase away other predators, depending on the coalition size and the size and number of the predator. Because of its speed, a healthy adult cheetah has few enemies.[45]

Relationship with humans

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Economic importance

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Cheetah fur was formerly regarded as a status symbol. Today, cheetahs have a growing economic importance for ecotourism and they are also found in zoos. White Oak Conservation in Yulee, Florida, which maintains a significant population of cheetahs, has cited that captive management presents challenges because of health, nutrition and socialization of the cats, but that these have been overcome through collaborations among wildlife facilities.[46]

Cheetahs are far less aggressive than other felids and can be tamed, so cubs are sometimes illegally sold as pets.[kailangan ng sanggunian]

Cheetahs were formerly, and sometimes still are, hunted because many farmers believe that they eat livestock. When the species came under threat, numerous campaigns were launched to try to educate farmers and encourage them to conserve cheetahs. Recent evidence has shown that cheetahs will not attack and eat livestock if they can avoid doing so, as they prefer their wild prey. However, they have no problem with including farmland as part of their territory, leading to conflict.

Taming

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A tamed cheetah offered as tribute to the King of Thebes (1700 B.C.)

Ancient Egyptians often kept cheetahs as pets, and also tamed and trained them for hunting. (But not domesticated i.e., bred under human control.) Cheetahs would be taken to hunting fields in low-sided carts or by horseback, hooded and blindfolded, and kept on leashes while dogs flushed out their prey. When the prey was near enough, the cheetahs would be released and their blindfolds removed. This tradition was passed on to the ancient Persians and brought to India, where the practice was continued by Indian princes into the twentieth century. Cheetahs continued to be associated with royalty and elegance, their use as pets spreading just as their hunting skills were. Other such princes and kings kept them as pets, including Genghis Khan and Charlemagne, who boasted of having kept cheetahs within their palace grounds. Akbar the Great, ruler of the Mughal Empire from 1556 to 1605, kept as many as 1,000 cheetahs.[13] As recently as the 1930s, the Emperor of Ethiopia, Haile Selassie, was often photographed leading a cheetah by a leash. Cheetahs are still tamed in the modern world. One example is Burmani who has been raised in England at Eagle Heights wild animal park from the age of three months. He was bred in a deer park in Germany. He is so tame that he has lost his hunting instinct.[47]

Conservation status

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Cheetah cubs have a high mortality rate due to predation by other carnivores, such as the lion and hyena, and perhaps genetic factors. It has been suggested that the low genetic diversity of cheetahs is a cause of poor sperm, birth defects, cramped teeth, curled tails, and bent limbs. Some biologists even believe that they are too inbred to flourish as a species.[48] Note, however, that they lost most of their genetic diversity thousands of years ago (see the beginning of this article), and yet seem to have only been in decline in the last century or so, suggesting factors other than genetics are mainly responsible.

 
At Whipsnade Zoo, Bedfordshire, England

Cheetahs are included on the International Union for Conservation of Nature (IUCN) list of vulnerable species (African subspecies threatened, Asiatic subspecies in critical situation) as well as on the US Endangered Species Act: threatened species - Appendix I of CITES (Convention on International Trade in Endangered Species). Approximately 12,400 cheetahs remain in the wild in twenty-five African countries; Namibia has the most, with about 2,500. Another fifty to sixty critically endangered Asiatic cheetahs are thought to remain in Iran. There have been successful breeding programs, including the use of in vitro fertilisation, in zoos around the world.

Founded in Namibia in 1990, the Cheetah Conservation Fund's mission is to be the world's resource charged with protecting the cheetah and to ensure its future. The organization works with all stakeholders within the cheetah's ecosystem to develop best practices in research, education and ecology and create a sustainable model from which all other species, including people, will benefit.

The South African Cheetah Conservation Foundation has close links and assists in training and sharing program successes with other countries where cheetahs live, including Botswana, South Africa, Zimbabwe, Iran and Algeria. The organization's international program includes distributing materials, lending resources and support, and providing training through Africa and the rest of the world.

Re-introduction project in India

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Pangunahing artikulo: Cheetah reintroduction in India

Cheetahs have been known to exist in India for a very long time, but as a result of hunting and other causes, cheetahs have been extinct in India since the 1940s. A captive propagation project has been proposed. Minister of Environment and Forests Jairam Ramesh told the Rajya Sabha on 7 July 2009, "The cheetah is the only animal that has been described extinct in India in the last 100 years. We have to get them from abroad to repopulate the species." He was responding to a call for attention from Rajiv Pratap Rudy of the Bharatiya Janata Party (BJP). "The plan to bring back the cheetah, which fell to indiscriminate hunting and complex factors like a fragile breeding pattern is audacious given the problems besetting tiger conservation." Two naturalists, Divya Bhanusinh and MK Ranjit Singh, suggested importing cheetahs from Africa, after which they will be bred in captivity and, in time, released in the wild.[49]

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Bacchus and Ariadne by Titian, 1523
 
Cheetah with Two Indian Attendants and a Stag by George Stubbs, 1764–1765
 
The Caress by Fernand Khnopff, 1887

References

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  1. ↑ Wozencraft, W.C. (2005). "Order Carnivora". Sa Wilson, D.E.; Reeder, D.M (mga pat.). Mammal Species of the World: A Taxonomic and Geographic Reference (ika-3rd (na) edisyon). Johns Hopkins University Press. pp. 532–533. ISBN 978-0-8018-8221-0. OCLC 62265494. {{cite book}}: Invalid |ref=harv (tulong)CS1 maint: date auto-translated (link)
  2. ↑ Bauer, H., Belbachir, F., Durant, S., Hunter, L., Marker, L., Packer, K. & Purchase, N. (2008). Acinonyx jubatus. 2008 IUCN Red List of Threatened Species. IUCN 2008. Hinango noong 9 October 2008.
  3. ↑ Sharp, N. C. (1997). "Timed running speed of a cheetah (Acinonyx jubatus)". Journal of Zoology, London. 241 (3): 493–494. doi:10.1111/j.1469-7998.1997.tb04840.x. {{cite journal}}: Cite has empty unknown parameter: |coauthors= (tulong)CS1 maint: date auto-translated (link)
  4. ↑ Milton Hildebrand (1959). "Motions of Cheetah and Horse". Journal of Mammalogy. 40 (4): 481–495. doi:10.2307/1376265. JSTOR 1376265.{{cite journal}}: CS1 maint: date auto-translated (link) [patay na link] Although according to Cheetah, Luke Hunter and Dave Hamman, (Struik Publishers, 2003), pp. 37–38, the cheetah's fastest recorded speed was 110 km/h (68 mph).
  5. ↑ Carwardine, Mark (2008). Animal Records. New York: Sterling. p. 43. ISBN 978-1-4027-5623-8.{{cite book}}: CS1 maint: date auto-translated (link)
  6. ↑ Sears, Edward S. (2001). Running Through the Ages. Jefferson, North Carolina: McFarland. p. 5. ISBN 978-0-7864-0971-6.{{cite book}}: CS1 maint: date auto-translated (link)
  7. ↑ Smith, Roff (2 Agosto 2012). "Cheetah Breaks Speed Record—Beats Usain Bolt by Seconds". National Geographic Daily News. National Geographic Society.{{cite news}}: CS1 maint: date auto-translated (link)
  8. ↑ "Speed sensation". Nature Video Collections. BBC Nature.
  9. ↑ "Cheetah fast facts". Zoological Society of London. Nakuha noong 5 Hunyo 2013.{{cite web}}: CS1 maint: date auto-translated (link)
  10. ↑ "Cheetah Fact Sheet". Cheetah.org. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  11. ↑ cheetah (n.d.). The American Heritage Dictionary of the English Language, Fourth Edition. Nakuha noong 2007-04-16.{{cite book}}: CS1 maint: date auto-translated (link)
  12. ↑ "Acinonyx jubatus". Cat Specialist Group. Nakuha noong 6 Mayo 2014.{{cite web}}: CS1 maint: date auto-translated (link)
  13. ↑ 13.0 13.1 13.2 13.3 13.4 O'Brien, S., D. Wildt, M. Bush (1986). "The Cheetah in Genetic Peril". Scientific American. 254: 68–76.{{cite journal}}: CS1 maint: date auto-translated (link) CS1 maint: multiple names: mga may-akda (link)
  14. ↑ Young, T.P. and A.H. Harcourt (1997). "Viva Caughley!". Conservation Biology. 11: 831–832. doi:10.1046/j.1523-1739.1997.011004831.x.{{cite journal}}: CS1 maint: date auto-translated (link)
  15. ↑ Johnson, W. E., E. Eizirik, J. Pecon-Slattery, W. J. Murphy, A. Antunes, E. Teeling, S. J. O'Brien (2006). "The Late Miocene Radiation of Modern Felidae: A Genetic Assessment". Science. 311 (5757): 73–77. doi:10.1126/science.1122277. PMID 16400146.{{cite journal}}: CS1 maint: date auto-translated (link) CS1 maint: multiple names: mga may-akda (link)
  16. ↑ 16.0 16.1 Mattern, M. Y., D. A. McLennan (2000). "Phylogeny and Speciation of Felids". Cladistics. 16 (2): 232–253. doi:10.1111/j.1096-0031.2000.tb00354.x.{{cite journal}}: CS1 maint: date auto-translated (link) CS1 maint: multiple names: mga may-akda (link)
  17. ↑ Wilson, D. E.; Reeder, D. M., mga pat. (2005). Mammal Species of the World (ika-3rd (na) edisyon). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494. {{cite book}}: no-break space character in |editor-first= at position 3 (tulong); no-break space character in |editor2-first= at position 3 (tulong)CS1 maint: date auto-translated (link)
  18. ↑ "Agility, Not Speed, Puts Cheetahs Ahead". Science. 340: 1271. 14 Hunyo 2013. doi:10.1126/science.340.6138.1271-b.{{cite journal}}: CS1 maint: date auto-translated (link)
  19. ↑ "Cheetah". Animal Info. 2006-03-21. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  20. ↑ Boitani, Luigi, Simon & Schuster's Guide to Mammals. Simon & Schuster/Touchstone Books (1984), ISBN 978-0-671-42805-1
  21. ↑ "Cheetahs, Cheetah Pictures, Cheetah Facts - National Geographic". Animals.nationalgeographic.com. 2012-10-25. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  22. ↑ Burnie D and Wilson DE (Eds.), Animal: The Definitive Visual Guide to the World's Wildlife. DK Adult (2005), ISBN 0-7894-7764-5
  23. ↑ "King Cheetah Fur Pattern Mutation". Cheetahspot.com. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  24. ↑ "Dogs used to calm skittish cheetahs". DailyHerald.com. 2013-02-16. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  25. ↑ Kaelin CB, Xu X, Hong LZ, David VA, McGowan KA, Schmidt-Küntzel A, Roelke ME, Pino J, Pontius J, Cooper GM, Manuel H, Swanson WF, Marker L, Harper CK, van Dyk A, Yue Bisong, Mullikin JC, Warren WC, Eizirik E, Kos L, O'Brien SJ, Barsh GS, Menotti-Raymond M (2012). "Specifying and Sustaining Pigmentation Patterns in Domestic and Wild Cats". Science. 337 (6101): 1536–1541. doi:10.1126/science.1220893. PMID 22997338.{{cite journal}}: CS1 maint: date auto-translated (link) CS1 maint: multiple names: mga may-akda (link)
  26. ↑ "The lesser-spotted cheetah: Rare big cat without traditional markings sighted in wild for first time in nearly 100 years". Daily Mail. London. 2012-04-25. Nakuha noong 2013-03-06.{{cite news}}: CS1 maint: date auto-translated (link)
  27. ↑ "Asiatic Cheetah". Wild About Cats. Nakuha noong 2007-12-07.{{cite web}}: CS1 maint: date auto-translated (link)
  28. ↑ "Asiatic Cheetah". WWF-Pakistan. Nakuha noong 2007-12-07.{{cite web}}: CS1 maint: date auto-translated (link)
  29. ↑ "Scandal on the Serengeti: New light has been shed on the extent of female cheetahs' unfaithfulness to their male partners". inthenews.co.uk. Mayo 30, 2007. Nakuha noong 2007-12-07.{{cite web}}: CS1 maint: date auto-translated (link)
  30. ↑ Eaton, Randall L. (1976) A Possible Case of Mimicry in Larger Mammals. Evolution 30(4):853-856 doi 10.2307/2407827
  31. ↑ Richard Estes, foreword by Edward Osborne Wilson (1991) The Behavior Guide to African Mammals. University of California Press. Page 371.
  32. ↑ T. M. Caro (15 Agosto 1994). Cheetahs of the Serengeti Plains: Group Living in an Asocial Species. University of Chicago Press. pp. 203–. ISBN 978-0-226-09433-5. Nakuha noong 21 Marso 2013.{{cite book}}: CS1 maint: date auto-translated (link)
  33. ↑ MacMillan, Dianne. Cheetahs. Books.google.com. Nakuha noong 2013-03-30.{{cite book}}: CS1 maint: date auto-translated (link)
  34. ↑ 34.0 34.1 Robert Eklund. "Eklund, Peters, Weise & Munro (2012)" (PDF). Roberteklund.info. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  35. ↑ Robert Eklund. "Robert Eklund's Ingressive Phonation and Speech Page". Ingressivespeech.info. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  36. ↑ Robert Eklund. "Robert Eklund's Homepage". Roberteklund.info. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  37. ↑ Robert Eklund. "– The felid purring site". Purring.org. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  38. ↑ Robert Eklund. "Eklund, Peters & Duthie (2010)" (PDF). Roberteklund.info. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  39. ↑ Robert Eklund. "Eklund, Peters, Weise & Munro (2012)" (PDF). Roberteklund.info. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  40. ↑ Robert Eklund. "Eklund & Peters (2013)" (PDF). roberteklund.info. Nakuha noong 2013-03-30.{{cite web}}: CS1 maint: date auto-translated (link)
  41. ↑ "Wild Cats of the World" - by Mel Sunquist and Fiona Sunquist
  42. ↑ RVC Press Office (13 Hunyo 2013). "Groundbreaking RVC research shows wild cheetah reaching speeds of up to 58mph during a hunt". rvc.ac.uk. Royal Veterinary College, University of London. Nakuha noong 2013-06-16.{{cite web}}: CS1 maint: date auto-translated (link)
  43. ↑ Wilson AM, Lowe JC, Roskilly K, Hudson PE, Golabek KA, McNutt JW (2013). "Locomotion dynamics of hunting in wild cheetahs". Nature. 498 (7453): 185–189. doi:10.1038/nature12295. PMID 23765495.{{cite journal}}: CS1 maint: date auto-translated (link) CS1 maint: multiple names: mga may-akda (link)
  44. ↑ "Cheetah tracking study reveals incredible acceleration". BBC News. 2013-06-12.{{cite news}}: CS1 maint: date auto-translated (link)
  45. ↑ M. W. Hayward, M. Hofmeyr, J. O'Brien & G. I. H. Kerley (2006). "Prey preferences of the cheetah (Acinonyx jubatus) (Felidae: Carnivora): morphological limitations or the need to capture rapidly consumable prey before kleptoparasites arrive?". Journal of Zoology. 270 (4): 615. doi:10.1111/j.1469-7998.2006.00184.x. {{cite journal}}: |access-date= requires |url= (tulong)CS1 maint: date auto-translated (link) CS1 maint: multiple names: mga may-akda (link)
  46. ↑ "Cheetah". Nakuha noong 21 Hunyo 2013.{{cite web}}: CS1 maint: date auto-translated (link)
  47. ↑ Fieldsports Britain. "Fieldsports Britain : Rabbits with a cheetah in Essex, grouse and". fieldsportschannel.tv. Nakuha noong 30 Oktubre 2012.{{cite web}}: CS1 maint: date auto-translated (link)
  48. ↑ Gugliotta, Guy (Pebrero 2008). "Rare Breed". Smithsonian Magazine. Nakuha noong 2008-03-07. {{cite web}}: Italic or bold markup not allowed in: |publisher= (tulong)CS1 maint: date auto-translated (link)
  49. ↑ The Times of India, Thursday, July 9, 2009, p. 11.

Sources

baguhin
  • Great Cats, Majestic Creatures of the Wild, ed. John Seidensticker, illus. Frank Knight, (Rodale Press, 1991), ISBN 0-87857-965-6
  • Cheetah, Katherine (or Kathrine) & Karl Ammann, Arco Pub, (1985), ISBN 0-668-06259-2.
  • Cheetah (Big Cat Diary), Jonathan Scott, Angela Scott, (HarperCollins, 2005), ISBN 0-00-714920-4
  • Science (vol 311, p 73)
  • Cheetah, Luke Hunter and Dave Hamman, (Struik Publishers, 2003), ISBN 1-86872-719-X
  • Allsen, Thomas T. (2006). "Natural History and Cultural History: The Circulation of Hunting Leopards in Eurasia, Seventh-Seventeenth Centuries." In: Contact and Exchange in the Ancient World. Ed. Victor H. Mair. University of Hawai'i Press. Pp. 116–135. ISBN ISBN 978-0-8248-2884-4; ISBN ISBN 0-8248-2884-4
  • Eklund, Robert & Gustav Peters. 2013. A comparative acoustic analysis of purring in juvenile, subadult and adult cheetahs. In: Robert Eklund (editor.), Proceedings of Fonetik 2013, the XXVIth Swedish Phonetics Conference, Studies in Language and Culture, no. 21, ISBN 978-91-7519-582-7, eISBN 978-91-7519-579-7, ISSN 1403-2570, pp. 25–28.
  • Eklund, Robert, Gustav Peters & Elizabeth D. Duthie. 2010 (third edition). An acoustic analysis of purring in the cheetah (Acinonyx jubatus) and in the domestic cat (Felis catus). Proceedings of Fonetik 2010, Lund University, 2–4 June 2010, Lund, Sweden, pp. 17–22. Download from [1] or [2].
  • Gus Mills, M. G. L. Mills, Martin Harvey (2005). African Predators. Struik. ISBN 1-77007-220-9.{{cite book}}: CS1 maint: date auto-translated (link) CS1 maint: multiple names: mga may-akda (link)
  • Gus Mills (1998). Big Cats and Other African Carnivores. Struik. ISBN 1-86825-920-X.{{cite book}}: CS1 maint: date auto-translated (link)

Further reading

baguhin
  • Caro, T. M. (1994). Cheetahs of the Serengeti Plains: group living in an asocial species. Chicago: University of Chicago Press. ISBN 0-226-09433-2.{{cite book}}: CS1 maint: date auto-translated (link)
baguhin
 
May kaugnay na midya tungkol sa Acinonyx jubatus ang Wikimedia Commons.
 
Mayroong kaugnay na impormasyon sa Wikispecies ang Acinonyx jubatus

Padron:Carnivora

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