Scimitar-horned oryx, Sahara oryx
The Scimitar oryx (Oryx dammah) is a Oryx species that was once widespread across North Africa. In 2000, it was declared extinct in the wild on the IUCN Red List. Scimitar oryx inhabited semideserts and deserts and were adapted to live in extreme heat. The decline of their population began as a result of climate change during the Neolithic period, and later these animals were hunted extensively for their horns. The Scimitar oryx was the emblem of the ancient Egyptian Oryx nome and today is the animal symbol of the Sahara Conservation Fund.
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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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FolivoreIn zoology, a folivore is a herbivore that specializes in eating leaves. Mature leaves contain a high proportion of hard-to-digest cellulose, less ...
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GraminivoreIn zoology, a graminivore (not to be confused with a granivore) is an herbivorous animal that feeds primarily on grass. Graminivory is a form of g...
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FrugivoreA frugivore is an animal that thrives mostly on raw fruits or succulent fruit-like produce of plants such as roots, shoots, nuts, and seeds. Approx...
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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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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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BrowsingBrowsing is a type of herbivory in which an herbivore (or, more narrowly defined, a folivore) feeds on leaves, soft shoots, or fruits of high-growi...
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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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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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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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DomesticatedDomesticated animals are those adapted to live with humans. It is the mutual relationship between animals and humans who have an influence on their...
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Best HornsThe Scimitar oryx is a straight-horned antelope. Its coat is white with a red-brown chest and black markings on the forehead and down the length of the nose. The coat reflects the sun's rays, while the black portions and the tip of the tongue provide protection against sunburn. The white coat helps to reflect the heat of the desert. Calves are born with yellow coats and lack distinguishing marks, which appear later in life. Their pelage changes to adult coloration at 3-12 months old. Both male and female oryxes have horns, with the females' being more slender. The horns are long, thin, and symmetrical, and curve backward (a distinctive feature of this species); they can reach 1 to 1.2 m (3 ft 3 in to 3 ft 11 in) in both sexes. The hollow walls of the horns are so thin that they can easily break. The large, spreading hooves are well adapted to allow these antelopes to walk on the sand of their dry habitats.
Scimitar oryx were once widespread across northern Africa. Today, they are bred in captivity in special reserves in Tunisia, Morocco, and Senegal and on private exotic animal ranches in the Texas Hill Country. Due to a reintroduction program that was launched in 2016 currently, a small herd has been successfully reintroduced in Chad. These antelopes live in grassy steppes, semi-deserts, and deserts.
Scimitar oryx are very sociable animals and used to travel in herds of between 2 and 40 individuals, generally, led by a dominant male. They gathered in herds of several thousand for migration. During the wet season, they migrated north into the Sahara. Scimitar oryx are active both during the day and night. In the cool early mornings and evenings, they rest under trees and shrubs, or if neither are available, they dig depressions in the soil with their hooves and rest there. In the night or early morning, they often search for food. Males fight often, but not for long and not violently.
Scimitar oryx are herbivorous (graminivorous, folivorous, frugivorous) animals. They feed on foliage, grass, herbs, shrubs, succulent plants, legumes, juicy roots, buds, and fruit. Oryx can survive without water for long periods of time as they get water from water-rich plants.
Little is known about the mating system in Scimitar oryx. The breeding season usually takes place when environmental conditions are favorable. Gestation lasts about 9 months, after which a single calf is born, weighing 10-15 kg (22-33 lb). Pregnant females leave the herd for a week and both mother and calf return to the main herd within hours of the birth. The female separates herself from the herd for a few hours while she nurses her calf. Weaning starts at 3.5 months, and the young become fully independent at around 14 weeks old. Both males and females become reproductively mature at 1.5 to 2 years of age.
Around 7500 to 3500 BCE, the "green Sahara" became dry and the Scimitar oryx's population began to decline due to a loss of suitable habitat. Further humans hunted oryx for both their meat and horns. The northern population was already almost lost before the 20th century and with the introduction of horses and firearms during the 20th century, nomadic hunters were able to decimate the animals. The decline of the southern population accelerated as Europeans began to settle the area and hunt them for meat, hides, and horn trophies.
According to IUCN, there are estimated captive populations of Scimitar oryx in the following fenced protected areas: Tunisia - around 190 individuals; Morocco- more than 300 individuals; Senegal - around 160 individuals; Chad - around 75 individuals. Currently, this species is classified as Extinct In The Wild (EW).
In ancient Egypt Scimitar oryx were domesticated and tamed, possibly to be used as offerings for religious ceremonies or as food. They were called "ran" and bred in captivity. In ancient Rome, they were kept in paddocks and used for coursing, and wealthy Romans ate them.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...