Zebra

For other uses, see Zebra (disambiguation).

Zebras

<tr><th bgcolor=pink>Scientific classification <tr><td>

<tr><td>Kingdom:<td>Animalia <tr><td>Phylum:<td>Chordata <tr><td>Class:<td>Mammalia <tr><td>Order:<td>Perissodactyla <tr><td>Family:<td>Equidae <tr><td>Genus:<td>Equus* </table> <tr><th bgcolor=pink>Species <tr><td> Equus zebra
Equus quagga
Equus grevyi

See Equus for other species.

</table> Zebras are members of the horse family native to central and southern Africa. All have vividly contrasting black and white vertical stripes (hence the zebra crossing named after it) on the forequarters, often tending towards the horizontal at the rear of the animal. Most zoologists believe the stripes act as a camoflage mechanism; although some belive it plays a role in their social interactions, acting as a means to distinguish an individual from all of the others in slight variations of the stripes. There are three species and many subspecies. Zebra populations vary a great deal, and the relationships between and the taxonomic status of several of the subspecies are unclear.

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Zebra_Botswana.jpg
Zebra, Botswana

The Plains Zebra (Equus quagga, formerly Equus burchelli) is the most common, and has or had about 5 subspecies distributed across much of southern and eastern Africa. It, or particular subspecies of it, have also been known as the Common Zebra, the Dauw, Burchell's Zebra (actually the extinct subspecies, Equus quagga burchelli), and the Quagga (another extinct subspecies, Equus quagga quagga).

The Mountain Zebra (Equus zebra) of southwest Africa tends to have a sleek coat with a white belly and narrower stripes than the Plains Zebra. It has two subspecies and is classified as endangered.

Grevy's Zebra (Equus grevyi) is the largest type, similar in appearance to Grevy's Zebra but with an erect mane, and a long, narrow head making it appear rather mule-like. It is a creature of the semi-arid grasslands of Ethiopia, Somalia, and northern Kenya. It is endangered too.

Family Equidae
- Przewalski's Horse, Equus przewalskii
- Domestic Horse, Equus caballus
- Donkey or African Ass, Equus asinus
- Onager or Asiatic Ass, Equus hemionus
- Plains Zebra, Equus quagga
  - Quagga, Equus quagga quagga (extinct)
  - Burchell's Zebra, Equus quagga burchelli (extinct)
  - Grant's Zebra, Equus quagga boehmi
  - Chapman's Zebra, Equus quagga antiquorum
  - Selous' Zebra, Equus quagga selousi
- Mountain Zebra, Equus zebra
  - Cape Mountain Zebra, Equus zebra zebra
  - Hartmann's Zebra, Equus zebra hartmanni
- Grevy's Zebra, Equus grevyi
  - (no subspecies)

A domesticated zebra being ridden in East Africa

External link

PBS Nature: Horse Tigers (Zebras) (http://www.pbs.org/wnet/nature/horsetigers/index.html)

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