White oryx
The Arabian oryx (Oryx leucoryx) is amongst the largest desert mammals of the Arab region and throughout history has been an important aspect of its heritage. Once extinct in the wild, it once again inhabits the dry Arabian Peninsula. This species is a desert antelope that is highly adapted to its harsh desert environment. It is famous for its stamina and beauty and has inspired many Arabian poets.
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CrepuscularCrepuscular animals are those that are active primarily during twilight (that is, the periods of dawn and dusk). This is distinguished from diurnal...
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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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PrecocialPrecocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. Precocial species are normall...
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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...
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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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ViviparousAmong animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
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TerritorialA territory is a sociographical area that which an animal consistently defends against the conspecific competition (or, occasionally, against anima...
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NomadicNomadic 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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PolygynyPolygyny is a mating system in which one male lives and mates with multiple females but each female only mates with a single male.
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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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Dominance hierarchyA dominance hierarchy (formerly and colloquially called a pecking order) is a type of social hierarchy that arises when members of animal social gr...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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Desert DwellersThe coat of the Arabian oryx is an almost luminous white and serves to reflect the sun’s rays. The undersides and legs are brown, and black stripes occur where the head meets the neck, on the forehead, on the nose, and going from the horn down across the eye to the mouth. The hooves are shovel-like and splayed, giving the animal a large surface area when it walks on the sandy ground. Both sexes have long, straight, or slightly curved, ringed horns which are 2 to 4.9 feet (60 to 150 centimeters) long.
This animal is endemic to the Arabian Peninsula. In 1972 it became extinct in the wild, but was saved by zoos and private reserves, and reintroduced into the wild in 1980, and, as a result, wild populations now live in Israel, Saudi Arabia, and Oman, and with current additional reintroduction programs taking place, it is likely that this range will expand into other countries of the Arabian Peninsula. Arabian oryx inhabit the deserts and arid plains of Arabia, where temperatures can reach 50ºC even in the shade during summer.
Arabian oryx are gregarious animals and typically form herds of 5 to 30. If conditions are poor, groups tend to consist of just a male with a couple of females, together with their young. Some males live a more solitary life and hold large territories. Within the herd, a dominance hierarchy is created by displays of posturing, which avoid serious injury from their long, sharp horns. These animals seem able to detect rainfall a great distance away and live an almost nomadic life, traveling vast areas searching for precious new growth after the intermittent rains. They are active mostly in the early morning and in the late evening, resting in groups in the shade when the searing midday heat is present. Oryx dig depressions in the ground with their front hooves, so they can lie in cooler sand, which provides some protection against fierce desert winds.
Arabian oryx are herbivores and eat grasses and herbs, as well as roots and tubers. They can last without drinking water for a long time.
Arabian oryx are polygynous breeders. This means that one male mates with many females in one mating season. The timing of births varies. However, if conditions are favorable, a female is able to produce one calf a year in any month. Most births occurring in introduced herds in Jordan and Oman occur from October through May. Gestation for this species lasts about 240 days. The young are weaned by the age of 3.5-4.5 months, and females in captivity first give birth when they are 2.5-3.5 years old.
The Bedouin people who live on the Arabian Peninsula are traditional hunters of Arabian oryx for their hides and meat. However, the total decimation of these animals occurred after World War 2, when firearms and motorized transport became available, and there was a demand for sport hunting. In 1972 the last known animal was shot and the species was made extinct in the wild. In the 1990s the reintroduction of herds was a success and now poaching has again become a serious threat that has devastated the population in Oman.
According to the IUCN Red List, the total Arabian oryx population size is 1,220 individuals with 850 mature individuals. Currently, this species is classified as Vulnerable (VU) but its numbers today are stable.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...