Grevy's zebra

Beauty Of Animal | Grevy's zebra | Grevy's zebra (grevyi Lycos), also known as the Imperial Zebra, is the largest wild equid found one of the three species of zebra, and other elements in the plains zebra mountain. Grévy named Jules, who is the only member present in Dolichohippus generic. Found on the Grevy's zebra's in Kenya and Ethiopia. In comparison with other zebras, a tall, large ears, and the direction and narrower.

It is more ass-like in appearance compared to other zebras, which is more like a horse.And Grevy's zebra lives in semi-arid, grassland where it feeds on grasses and legumes, and browse, but can live up to five days without water. It differs from other species of zebra that lived in the harem and long-term social bonds.

Regional relations, said the mother and foal are the basis for social order in the Grevy's zebra. This is a zebra at risk. The population dropped from 15000 to 3000 since the 1970s. However, as of 2008 the population stable.

 

 

Scientific classification
Kingdom:     Animalia
Phylum:     Chordata
Class:     Mammalia
Order:     Perissodactyla
Family:     Equidae
Genus:     Equus
Species:     E. grevyi

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Mountain Zebra

Beauty Of Animal | Mountain Zebra | The Mountain Zebra, Equus zebra, is a threatened species of equid native to south-western Angola, Namibia and South Africa. It has two subspecies, the Cape Mountain Zebra (E. z. zebra) and Hartmann's Mountain Zebra (E. z. hartmannae), though it has been suggested these should be considered separate species. In 2004, C.P. Groves and C.H. Bell investigated the taxonomy of the zebras (genus Equus, subgenus Hippotigris). They concluded that the Cape Mountain Zebra (Equus zebra zebra) and Hartmann's Mountain Zebra (Equus zebra hartmannea) are distinct, and suggested that the two would be better classified as separate species, Equus zebra and Equus hartmannae.

However, in a sexual genetic study which included 295 mountain zebra specimens, Moodley and Harley (2005) found no genetic evidence to regard the two Mountain zebra taxa as anything more than different populations of a single species. They concluded that the Cape Mountain Zebra and Hartmann's Mountain Zebra should remain as subspecies. The third edition of Mammal Species of the World (2005) lists the Mountain zebra as a single species (Equus zebra) with two subspecies

Like all zebras, it is boldly striped in black and white and no two individuals look exactly alike. The stripe can be black and white or dark brown and white. Their stripes cover their whole bodies except for their bellies. The Mountain zebra also has a dewlap. Adult mountain zebras have a body length of about 2.2 metres (7 ft 3 in). Shoulder height ranges from 1 to 1.4 metres (10 to 14 h)(3 ft 4 in to 4 ft 7 in). They typically weigh from 240 to 370 kilograms (530 to 820 lb). Groves and Bell found that the Cape mountain zebra exhibits, with larger females than males, while the Hartmann's mountain zebra does not. The black stripes of Hartmann's mountain zebra are thin with much wider white interspaces, while this is the opposite in Cape mountain zebra.

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Plains Zebra

Beauty Of Animal | Plains Zebra | The plains zebra (Equus quagga, formerly Equus burchelli), also known as the common zebra or Burchell's zebra, is the most common and geographically widespread species of zebra. It ranges from the south of Ethiopia through East Africa to as far south as Angola and eastern South Africa. The plains zebra remains common in game reserves, but is threatened by human activities such as hunting for its meat and hide, as well as competition with livestock and encroachment by farming on much of its habitat.

The Plains zebra and perhaps the mountain zebra belong to the subgenus Hippotigris, but Grévy's zebra is the sole species of subgenus Dolichohippus. The latter resembles an ass (to which it is related), while the former two are more horse-like. All three belong to the genus Equus along with other living equids. Recent phylogenetic evidence suggests that Grevy's zebras (and perhaps also Mountain Zebras) are with asses and donkeys in a separate lineage from the Plains zebra. In areas where Plains zebras are sympatric with Grévy's zebras, it is not unusual to find them in the same herds and fertile hybrids occur. In captivity, Plains zebras have been crossed with mountain zebras. The hybrid foals lacked a dewlap and resembled the plains zebra apart from their larger ears and their hindquarters pattern.

The quagga was originally classified as a separate species, Equus quagga, in 1778. Over the next 50 years or so, many other zebras were described by naturalists and explorers. Because of the great variation in coat patterns (no two zebras are alike), taxonomists were left with a great number of described "species", and no easy way to tell which of these were true species, which were subspecies, and which were simply natural variants. 

 

The quagga was the first extinct creature to have its DNA studied. Recent genetic research at the Smithsonian Institution has demonstrated that the quagga was in fact not a separate species at all, but diverged from the plains zebra, between 120,000 and 290,000 years ago, and suggests that it should be named Equus burchelli quagga. However, according to the rules of biological nomenclature, where there are two or more alternative names for a single species, the name first used takes priority. As the quagga was described about thirty years earlier than the Burchell's zebra, it appears that the correct terms are E. quagga quagga for the quagga and E. quagga burchelli for the plains zebra, unless "Equus burchelli" is officially declared to be a nomen conservandum.

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Grévy's Zebra

Beauty Of Animal | Grévy's Zebra  | The Grévy's zebra (Equus grevyi), also known as the Imperial zebra, is the largest extant wild equid and one of three species of zebra, the other two being the plains zebra and the mountain zebra. Named after Jules Grévy, it is the sole extant member of the subgenus Dolichohippus. The Grévy's zebra occurs in Kenya and Ethiopia. Compared with other zebras, it is tall, has large ears, and its stripes are narrower. It is more ass-like in appearance as compared to other zebras, which are more horse-like.

The Grévy's zebra lives in semi-arid grasslands where it feeds on grasses, legumes, and browse; it can survive up to five days without water. It differs from the other zebra species in that it does not live in harems and has few long-lasting social bonds. Male territoriality and mother–foal relationships form the basis of the social system of the Grévy's zebra. This zebra is considered to be endangered. Its population has declined from 15,000 to 3,000 since the 1970s. However, as of 2008 the population is stable.

The Grévy's zebra was first described by French naturalist Émile Oustalet in 1882. He named it after Jules Grévy, then president of France, who, in the 1880s, was given one by the government of Abyssinia. It is the only extant species of the subgenus Dolichohippus. The plains zebra and mountain zebra belong to Hippotigris. Fossils of Dolichohippus zebras have been found throughout Africa and Asia in the Pliocene and Pleistocene deposits. Notable examples include E. sanmeniensis from China, E. cautleyi from India, E. valeriani from central Asia and E. oldowayensis from East Africa. 

 

The latter, in particular is very similar to the Grévy's zebra and may have been its ancestor. The modern Grévy's zebra arose in the early Pleistocene. Recent phylogenetic evidence suggests that Grevy's zebras are with asses and donkeys in a lineage separate from plains zebras, but perhaps not from mountain zebras. In areas where Grévy's zebras are sympatric with plains zebras, it is not unusual to find them in the same herds and fertile hybrids do occur

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The Beuty OF The Zebra

Beuty Of Animlas | The Beuty Of The  Zebra |  Zebras live together on the African plains in large herds often with or close to other herbivorous mammals such as antelope and wildebeest. Along with the wildebeest , the zebra takes part in the annual great migration following the rains across Africa. Herbivores do this in order to get the best grazing as the grass is at its best after the rain has passed over it. The female zebra usually gives birth to just one zebra foal after a 12 month gestation period. Female zebras have been known to give birth to zebra twins but it is a fairly fair occurrence. Zebra foals are able to stand and run about just hours after birth and remain close the mother zebra until they are big enough to look out for themselves.

 

The zebra is best known for the black and white striping pattern unique to each of the 3 species of zebra . Within a species, the pattern of the stripes is unique to each individual zebra, like with a human's fingerprint. There is some evidence that zebras recognize herdmates by their patterns. The plains zebra grows to around 1.5m high and about 2 m long. The Grevy can be much taller, some up to 15 hh. The average zebra weighs around 300kg, which is a similar weight to a horse.

There are 3 species of zebra, all three zebra species are found in Africa. The mountain zebra is sadly an endangered species and there are only a few left in the wild. The Hartman subspecies has a distinct dewlap on the throat. The striping pattern of a mountain zebra is similar to that of a plains zebra, but it has a unique gridiron pattern on the top of the rump. You would think that the zebra's stripes would make the zebra vulnerable to predators as it would be difficult to hide itself. If the zebra has to run away, the zebra's stripes actually help it to blend in with the rest of the fleeing herd, visually confusing predators who are trying to zero in on one specific animal.


One extinct subspecies of the Plains zebra, which was once found in great numbers in South Africa's Cape Province was the quagga. The quagga was distinguished from other zebras by having the usual zebra stripes on the front part of the body only. The stripes on the quagga gradually fade so its rear was only chestnut. The only quagga to have ever been photographed alive was a mare at the Zoological Society of London's Zoo in Regent's Park in 1870. She was 28 at the time and died a year or two later. Only after she died did zoologists realize she was the very last of her kind. The zebra is a common target for large carnivorous animals that are found in the zebra's habitat. The predators of the zebra include the lion, hyena and the crocodile along with other large mammals such as cheetahs and leopards that tend to hunt the smaller and more vulnerable members of the zebra herd. The zebra's defenses include its very powerful kick, which can break the jaw of a lion. It also has an explosive takeoff and can sprint at good speed for a short distance.

It has been known for zebras to occasionally mate with donkeys and horses resulting in a zonkey foal. This is thought to happen extremely rarely in the wild and the zonkey is infertile meaning that it cannot produce offspring of its own. There has also been a documented case of a Grevy zebra mating with a Grant zebra in the wild, producing an interspecies zebra hybrid. The conformation is intermediate between the two. It has Grevy pinstripes arranged in a Grantlike pattern. Like other interspecies hybrids it is sterile.

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