Speke's gazelle (Gazella spekei ) is the smallest of the gazelle species. It is confined to the Horn of Africa, where it inhabits stony brush, grass steppes, and semi deserts. This species has been sometimes regarded as a subspecies of the Dorcas gazelle, though this is now widely disregarded. Severe habitat fragmentation means it is now impossible to assess the natural migratory or nomadic patterns of G. spekei. Its numbers are under threat, and despite an increase in population, the IUCN in 2007 announced its status had changed from vulnerable to endangered. A captive population is maintained, and the wild population exists in the lower tens of thousands. As of 2008, this gazelle is classified as endangered under the IUCN Red List.
Speke's gazelle is named after John Hanning Speke, a British explorer of Central Africa.
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DiurnalDiurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends ...
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HerbivoreA herbivore is an animal anatomically and physiologically adapted to eating plant material, for example, foliage, for the main component of its die...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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CursorialA cursorial organism is one that is adapted specifically to run. An animal can be considered cursorial if it has the ability to run fast (e.g. chee...
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GrazingGrazing is a method of feeding in which a herbivore feeds on plants such as grasses, or other multicellular organisms such as algae. In agriculture...
Among animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
Nomadic animals regularly move to and from the same areas within a well-defined range. Most animals travel in groups in search of better territorie...
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HerdingA herd is a social grouping of certain animals of the same species, either wild or domestic. The form of collective animal behavior associated with...
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MigratingAnimal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migrati...
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starts withThe Speke's gazelle is the smallest but very graceful gazelle species. They have a brownish tan back, dark bands on the side and a white belly. The face is light beige with dark stripes near the eyes and down the front of the muzzle. These black stripes around their eyes reduce glare from the sun. Both males and females have S-shaped horns with upward-curving tips, although the horns of the males are larger and broader. These small gazelles are named after John Hanning Speke, an English explorer of Central Africa.
Speke's gazelles are native to the Horn of Africa; they occur in Ethiopia and some parts of Somalia. These little gazelles live in stony brush, grass steppes, and semi-deserts.
Speke's gazelles are social animals and live in small herds of around 12 animals. Sometimes they may gather into herds of up to 20 animals. Their herds consist of either a dominant male with his harem or the bachelor herd of young and juvenile males. Speke's gazelles are usually active in the early morning and evening. During the heat of the day, they prefer to rest in shades. These delicate gazelles have a sac on their nose which is inflated when they are threatened. This way they can increase the volume of their call, which resembles a honking sound to warn each other of danger. There are also preorbital glands which produce secretions when gazelles are very excited. Another interesting behavior of these little creatures is how they move by bouncing, jumping, and running when frightened. In their nature, Speke's gazelles are migratory animals and move seasonally depending on the availability of vegetation but now these migratory or nomadic patterns are impossible due to severe habitat fragmentation.
Speke's gazelles are herbivores. They feed on grasses, shrubs, herbs, and other plants and can stay long periods of time without water.
Little is known about the mating system in Speke's gazelles. Females usually give birth to a single calf after the gestation period of 6 to 7 months. Calves are weaned at 2-3 months after birth. Females become reproductively mature when they are around 9 months old, while males attain maturity at 18 months of age.
The main threat to Speke's gazelles is competition with domestic livestock for limited grazing areas. Other serious threats include hunting and poaching, drought and periodic civil and military conflicts over the past 20 years.
The IUCN Red List and other sources don’t provide the number of the Speke's gazelle total population size. Currently, this species is classified as Endangered (EN) on the IUCN Red List and its numbers today are decreasing.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...