name = Thomson's Gazelle
status = lr/cd
status_system = iucn2.3
image_caption = Male Thomson's gazelle. Ngorongoro Crater, Tanzania.
phylum = Chordata
genus = "
species = "E. thomsoni"
binomial = "Eudorcas thomsoni"
binomial_authority = Günther, 1884The Thomson's gazelle ("Eudorcas thomsoni") is one of the best-known
gazelles. It is named after explorer Joseph Thomson, and is often referred to as the "tommy". It is considered by some (e.g. Kingdon 1997) to be a subspecies of the Red-fronted Gazelle("E. rufifrons"). It was formerly considered a member of the genus "Gazella" within the subgenus "Eudorcas" before "Eudorcas" was elevated to genus status.
Thomson's gazelles are 60–90 cm (24-35 in) tall and weigh 13–22 kg (29-40 lb). They have light brown coats with white underparts and a distinctive black stripe. Their horns are long and pointed with slight curvature. The white patch on their rump extends to underneath the tail but no further. A mistake sometimes made is the misidentification of
Grant's Gazelles as Thomson's Gazelles. Although some Grant's do have the black stripe running across their sides, the white on their rump always extends above the tail.
Ecology and distribution
Thomson's gazelles live in Africa's savannas and grassland habitats, particularly the
Serengetiregion of Kenyaand Tanzania, though they can also be found in Ethiopia, Somalia, and Sudan. They eat low vegetation and grass. Most of the water they need comes from what they eat. Though it's one of the most common gazelles in its range, the population size is not large due to its limited range. The gazelle is a favored prey item for the cheetah.
ocial structure and behaviour
Thomson's gazelles often congregate with other hoofed mammals, or
ungulates, such as wildebeestand zebraand usually live and migrate in herds with hundreds or thousands of other gazelles. The social structure of gazelles consists of several types of groups. Male gazelles are territorial throughout their adult lives, though not usually before 2-3 years of age. During the non-territorial periods males usually spend their time in bachelor groups or as part of a mixed herd. Likewise females will form migratory female groups that travel through the males' territory. As the female groups pass through, the territorial males will try to herd them to prevent them from leaving. Adult male bucks with adjoining territories will engage in combat several times a day, fighting with their horns to establish dominance and the boundaries of their territories. In this way, the accepted boundaries of the territory can change on a daily basis. If a lone male, a bachelor group, or in some cases even an adolescent male fawn of a female gazelle should be passing through a territorial male's region, the male will chase the offender out of his territory. Interestingly, this territoriality does not extend to males of other species. The territory of a Thomson's gazelle and several other types of ungulates may overlap with no problem whatsoever. Occasionally, a Thomson's gazelle and a zebra or other ungulate will even appear to enjoy one another's company with great sociability. A noticeable behaviour of Thomson's gazelles is their bounding leap, known as stottingor pronking, used to startle predators and display strength.
Breeding and life expectancy
Female Thomson's gazelles give birth to single fawns after a 5–6 month gestation period. They are unusual among ungulates in that they can give birth twice yearly, rather than just once.
In the wild, Thomson's gazelles can live up to 10–15 years, although they are preyed on by most African big cats, hyenas and baboons. Cheetahs are able to attain higher speeds, but Thomson's Gazelles can outlast cheetahs in long chases and are able to make turns more speedily. Half of all the fawns born will be lost to predators before reaching adulthood.Fact|date=February 2007
* Kingdon, Jonathan (1997) "The Kingdon Field Guide to African Mammals". Academic Press, San Diego and London. Pp. 411–413. (ISBN 0-12-408355-2)
* Antelope Specialist Group 1996. [http://www.iucnredlist.org/search/details.php/8982/all Gazella thomsonii] . [http://www.iucnredlist.org 2006 IUCN Red List of Threatened Species. ] Downloaded on
30 July 2007.
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Look at other dictionaries:
Thomson’s gazelle — Tomsono gazelė statusas T sritis zoologija | vardynas taksono rangas rūšis atitikmenys: lot. Gazella thomsoni angl. Thomson’s gazelle vok. Thomsongazelle rus. газель Томсона pranc. gazelle de Thomson ryšiai: platesnis terminas – tikrosios gazelės … Žinduolių pavadinimų žodynas
Thomson's gazelle — Thom′son s gazelle′ n. zool. mam an E African gazelle Gazella thomsoni[/ex] • Etymology: 1910–15; after Joseph Thomson (1858–95), British explorer, who collected the type specimen … From formal English to slang
Thomson's gazelle — noun Etymology: Joseph Thomson died 1895 Scottish explorer Date: 1897 a small gazelle (Gazella thomsonii) of eastern Africa that is tan above and white below with a broad black stripe on each side … New Collegiate Dictionary
Thomson's gazelle — noun a light brown gazelle with a dark band along the flanks, living in herds on the open plains of East Africa. [Gazella thomsonii.] Origin C19: named after the Scottish explorer Joseph Thomson (1858–94) … English new terms dictionary
Thomson's gazelle — noun East African gazelle; the smallest gazelle • Syn: ↑Gazella thomsoni • Hypernyms: ↑gazelle • Member Holonyms: ↑Gazella, ↑genus Gazella … Useful english dictionary
Thomson's gazelle — a medium sized antelope, Gazella thomsoni, abundant on the grassy steppes and dry bush of the East African plains. [1910 15; named after Joseph Thomson (1858 95), British explorer, who collected the type specimen] * * * … Universalium
Gazelle de Thomson — … Wikipédia en Français
Gazelle — Pour les articles homonymes, voir Gazelle (homonymie). Gazelle … Wikipédia en Français
gazelle — gazellelike, adj. /geuh zel /, n., pl. gazelles, (esp. collectively) gazelle. any small antelope of the genus Gazella and allied genera, of Africa and Asia, noted for graceful movements and lustrous eyes. [1575 85; < F; OF gazel < Ar ghazala] * * … Universalium
Gazelle — Taxobox name = Gazelle image caption = Thomson s Gazelle regnum = Animalia phylum = Chordata classis = Mammalia ordo = Artiodactyla familia = Bovidae subfamilia = Antilopinae genus = Gazella genus authority = , 1816 subdivision ranks = Species… … Wikipedia