zebra


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zebra,

herbivorous hoofed African mammal of the genus Equus, which also includes the horsehorse,
hoofed, herbivorous mammal now represented by a single extant genus, Equus. The term horse commonly refers only to the domestic Equus caballus and to the wild Przewalski's horse.
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 and the ass. It is distinguished by its striking pattern of black or dark brown stripes alternating with white. In size and body form it is intermediate between the larger horse and the smaller ass. It has a heavy head, stout body, short, stiff mane, and tufted tail. There are three zebra species; the quaggaquagga
, extinct type of zebra. It formerly inhabited open plains in S Africa, where its range overlapped that of the plains zebra, or common zebra (Equus quagga, formerly E. burchellii).
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, which became extinct in the late 19th cent., is not a separate species as was once thought but a variant of the plains zebra.

Most zebras inhabit open plains or brush country, while mountain zebras favor rocky hillsides. Zebra herds on the Serengeti of E Africa can be as large as 200,000 individuals, but all are organized in family groups led by a stallion. The plains zebras usually mix with other grazing animals, such as wildebeest and antelopes. They are swift runners, achieving speeds of up to 40 mph. Some authorities believe that the stripes evolved as visual identification to reinforce social bonds with other zebras, rather than for disguise or insect protection. The zebra's natural enemies are the lion and the leopard.

The plains zebra, or common zebra, E. quagga (formerly E. burchellii), is found throughout Africa S of the Sahara. It stands about 4 ft (120 cm) tall at the shoulder and has small ears. It has very broad stripes, which vary greatly in their pattern among the several subspecies, as well as among individuals of the same subspecies.

Grevy's zebra, E. grevyi, is a large zebra found in E Africa. It stands 4 1-2 to 5 ft (140–150 cm) at the shoulder and weighs about 600 lb (270 kg). It has large, rounded ears and numerous very narrow stripes. Grevy's zebra is now considered endangered, its numbers having been dramatically reduced since the 1970s.

Most distinctive is the mountain zebra, E. zebra, with a donkeylike build, long ears, and a characteristic stripe pattern. Unlike any other member of the genus Equus, its throat has a dewlap. One subspecies of the mountain zebra, Hartmann's zebra, found in the arid mountains and coastal plains of SW Africa, increased in numbers in the 1980s to an estimated 15,000 from about 7,000 in 1967. The other subspecies, the endangered Cape mountain zebra, is rarely found outside a protected area in South Africa.

Zebras have been hunted extensively for their flesh and skins. Zebras have been crossed with horses in an attempt to produce a draft animal, but the offspring have proved sterile and unreliable. Zebras are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae.

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zebra

[′zē·brə]
(vertebrate zoology)
Any of three species of African mammals belonging to the family Equidae distinguished by a coat of black and white stripes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

zebra

any of several mammals of the horse family (Equidae), such as Equus burchelli (the common zebra), of southern and eastern Africa, having distinctive black-and-white striped hides
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

ZEBRA

A data management package in the CERN Program Library.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

Zebra

(1) A connector with zebra-like stripes. See elastomeric connector.

(2) A printer command language from Zebra Technologies. The Zebra programming language (ZPL) is used to print labels and barcodes.

(3) An early computer designed by Dutch computer pioneer W. L. Van der Pool and manufactured by Standard Telephones and Cables Limited in England. First placed in service in 1958, a few dozen units were sold in the U.K. and Europe.


The Zebra Computer
Paper tape and teleprinters were the I/O and a magnetic drum held 8K 33-bit words. See magnetic drum. (Image courtesy of The Computer History Museum, www.computerhistory.org)
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
References in periodicals archive ?
Designed in collaboration with Lithuania Post and Zebra partner, UAB Informaciniu technologiju organizacija (iTo), the ZQ510 prints proofs of delivery and postage, failed delivery notifications, subscription order confirmations and receipts.
The tools can be accessed at any time to integrate Zebra's existing hardware, software and data ecosystems for maximum effect.
This acquisition aligns with the strategy to expand into high-growth areas that are a strong fit for Zebra.
Instances of motorists failing to stop at zebra crossings was evident when Gulf News visited one such pedestrian crossing on a busy road in downtown Abu Dhabi.
With Zebra's Android-based TC51 mobile computer and ET50 tablet, Walgreens' team members have the information they need at their fingertips, allowing them to quickly and accurately assist shoppers and complete daily tasks.
Separately, Zebra's Android-based XSLATE D10 tablet is certified with AT&T's EPTT service.
Zebra's latest addition to its Android portfolio, the TC25, a new rugged smartphone specifically designed for small- and medium-sized businesses (SMBs) empowering field mobility workers will be featured, as well as the ET55 tablet and the latest ZQ600 mobile printers designed for high-volume label and receipt printing applications used in the retail, transportation and logistics, and manufacturing industries.
The primary way zebra mussels spread to new areas is by hitching a ride on a trailered boat, Curtis Tackett, aquatic nuisance species biologist with the Oklahoma Department of Wildlife Conservation, wrote in a prepared statement.
""Zebra Technologies has enabled us to improve workflow and save costs as part of our thriving click and collect offer," said Gary O' Connor, CTO of Doddle, which recently deployed Zebra TC20, TC51 and TC70 mobile computers across its rapidly expanding UK operations.
In one of the pictures, Mahmoud can be seen standing next to the "zebra" with a grin on his face.