Atlantic Coastal Desert
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Atlantic Coastal Desert
The Atlantic coastal desert is the westernmost ecoregion in the Sahara Desert of North Africa. It occupies a narrow strip along the Atlantic coast, where the more frequent fog and haze generated offshore by the cool Canary Current provides sufficient moisture to sustain a variety of lichens, succulents, and shrubs. Geography It covers in Western Sahara and Mauritania. It is bounded on the west by the Atlantic Ocean, on the east by the North Saharan steppe and woodlands, on the north by the Mediterranean Acacia-Argania dry woodlands, and on the south by the Sahelian Acacia savanna. Climate The cool ocean current gives an even higher atmospheric stability in the desert, by cooling air at the base. This increase in atmospheric stability serves to further reduce the amount of rainfall. Therefore, the climate is extremely dry with some 30 mm of annual precipitation in Dakhla, Western Sahara and 40 mm of annual precipitation in Nouadhibou, Mauritania. Several years may pass w ...
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Dakhla, Western Sahara
Dakhla ( ar, الداخلة, Berber: Eddaxla / ⴷⴷⴰⵅⵍⴰ, es, Dajla, Villa Cisneros) is a city in the disputed territory of Western Sahara, currently occupied by Morocco. It is the capital of the claimed Moroccan administrative region Dakhla-Oued Ed-Dahab. It has a population of 106,277 and is on a narrow peninsula of the Atlantic Coast, the Río de Oro Peninsula, about south of Laayoune. History The area has been inhabited by Berbers since ancient times. Oulad Dlim is an Arab tribe of Himyari from Yemen that settled in the Sahara in the twelfth century. Dakhla was expanded by Spanish settlers during the expansion of their empire. The Spanish interest in the desert coast of Western Africa's Sahara arose as the result of fishing carried out from the nearby Canary Islands by Spanish fishers and as a result of the Barbary pirates menace. Spanish fishers were seal fur traders and hunters, fishers and whalers along the Saharan coast from Dakhla to Cabo Blanco ...
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Succulent Plant
In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid climates or soil conditions. The word ''succulent'' comes from the Latin word ''sucus'', meaning "juice" or "sap". Succulent plants may store water in various structures, such as leaf, leaves and Plant stem, stems. The water content of some succulent organs can get up to 90–95%, such as ''Glottiphyllum semicyllindricum'' and ''Mesembryanthemum barkleyii''. Some definitions also include roots, thus geophytes that survive unfavorable periods by dying back to underground storage organs may be regarded as succulents. The habitats of these water-preserving plants are often in areas with high temperatures and low rainfall, such as deserts, but succulents may be found even in Alpine climate, alpine ecosystems growing in rocky soil. Succulents are characterized by their ability to thrive on limited water sources, such as mist and dew, ...
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Honey Badger
The honey badger (''Mellivora capensis''), also known as the ratel ( or ), is a mammal widely distributed in Africa, Southwest Asia, and the Indian subcontinent. Because of its wide range and occurrence in a variety of habitats, it is listed as Least Concern on the IUCN Red List. It is the only living species in the genus ''Mellivora'' and in the mustelid subfamily Mellivorinae. Despite its name, the honey badger does not closely resemble other badger species; instead, it bears more anatomical similarities to weasels. It is primarily a carnivorous species and has few natural predators because of its thick skin, strength and ferocious defensive abilities. Taxonomy ''Viverra capensis'' was the scientific name used by Johann Christian Daniel von Schreber in 1777 who described a honey badger skin from the Cape of Good Hope. ''Mellivorae'' was proposed as name for the genus by Gottlieb Conrad Christian Storr in 1780. Mellivorina was proposed as a tribe name by John Edward G ...
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Sand Cat
The sand cat (''Felis margarita'') is a small wild cat that inhabits sandy and stony deserts far from water sources. With its sandy to light grey fur, it is well camouflaged in a desert environment. Its head-and-body length ranges from with a long tail. Its short ears are set low on the sides of the head, aiding detection of prey moving underground. The long hair covering the soles of its paws insulates its pads against the extremely hot and cold temperatures in deserts. The first sand cat known to science was discovered in the Algerian Sahara and described in 1858. To date, it has been recorded in several disjunct locations in Western Sahara, Morocco, Algeria, Niger, Chad, Egypt, the Arabian Peninsula and the Middle East. In Central Asia, it was first recorded in the Karakum Desert in 1925. The large gap between these two regions of its global range was partially closed in 1948, when a sand cat skin was found in an oasis of the Rub' al Khali in Oman. It is discontinuously d ...
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Rüppell's Fox
Rüppell's fox (''Vulpes rueppellii''), also called Rüppell's sand fox, is a fox species living in desert and semi-desert regions of North Africa, the Middle East, and southwestern Asia. It has been listed as Least Concern on the IUCN Red List since 2008. It is named after the German naturalist Eduard Rüppell. Description Rüppell's fox is a small fox, measuring in total length, including a tail measuring long. There is no pronounced sexual dimorphism, but males appear slightly larger than females. Both sexes are reported to have an average weight of . Their coat is sandy with some brown, ticked with numerous white hairs, and fading from reddish along the middle of the back to pure white on the animal's underparts and on the tip of its tail. The flanks are also paler. The head has a more rusty tone on the muzzle and forehead, with dark brown patches on the sides of the muzzle, stretching up towards the eyes. The chin and the sides of the face are white. The whiskers are long, ...
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Fennec Fox
The fennec fox (''Vulpes zerda'') is a small crepuscular fox native to the deserts of North Africa, ranging from Western Sahara to the Sinai Peninsula. Its most distinctive feature is its unusually large ears, which serve to dissipate heat and listen for underground prey. The fennec is the smallest species of fox. Its coat, ears, and kidney functions have adapted to the desert environment with high temperatures and little water. It mainly eats insects, small mammals, and birds. The fennec has a life span of up to 14 years in captivity and about 10 years in the wild. Its main predators are the Verreaux's eagle-owl, jackals, and other large mammals. Fennec families dig out burrows in the sand for habitation and protection, which can be as large as and adjoin the burrows of other families. Precise population figures are not known but are estimated from the frequency of sightings; these indicate that the fennec is currently not threatened by extinction. Knowledge of social interact ...
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Golden Wolf
The African wolf (''Canis lupaster'') or golden wolf, formerly known as the African golden jackal, is a canine native to North Africa, West Africa, the Sahel, northern East Africa, and the Horn of Africa. It is listed as least concern on the IUCN Red List. In the Middle Atlas in Morocco, it was sighted in elevations as high as . Moliner, V. U., Ramírez, C., Gallardo, M. & Idrissi, H. R. (2012), "Detectan el lobo en Marruecos gracias al uso del foto-trampeo", ''Quercus'', 319:14–15, ISSN 0212-0054 It is primarily a predator of invertebrates and mammals as large as gazelle fawns, though larger animals are sometimes taken. Its diet also includes animal carcasses, human refuse, and fruit. The African wolf is a monogamous and territorial species; offspring remain with the family to assist in raising their parents' younger pups. It was previously classified as an African variant of the golden jackal (''Canis aureus''), with at that time at least one subspecies (''C. a. lupaster'') ...
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Dorcas Gazelle
The dorcas gazelle (''Gazella dorcas''), also known as the ariel gazelle, is a small and common gazelle. The dorcas gazelle stands about at the shoulder, with a head and body length of and a weight of . The numerous subspecies survive on vegetation in grassland, steppe, wadis, mountain desert and in semidesert climates of Africa and Arabia. About 35,000–40,000 exist in the wild. Taxonomy and evolution The scientific name of the dorcas gazelle is ''Gazella dorcas''. It is a member of the genus ''Gazella'' and the family Bovidae. The species was first described by Swedish zoologist Carl Linnaeus in the 10th edition of ''Systema Naturae'' in 1758. Although zoologist Theodor Haltenorth considered ''G. d. pelzelnii'' to be an independent species, the following six subspecies are identified: *''G. d.'' subsp. ''beccarii'' De Beaux, 1931 – Eritrean dorcas gazelle *''G. d.'' subsp. ''dorcas'' (Linnaeus, 1758) – Egyptian dorcas gazelle *''G. d.'' subsp. ''isabella'' Gray, ...
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Bird Migration
Bird migration is the regular seasonal movement, often north and south along a flyway, between breeding and wintering grounds. Many species of bird migrate. Migration carries high costs in predation and mortality, including from hunting by humans, and is driven primarily by the availability of food. It occurs mainly in the northern hemisphere, where birds are funneled onto specific routes by natural barriers such as the Mediterranean Sea or the Caribbean Sea. Migration of species such as storks, turtle doves, and swallows was recorded as many as 3,000 years ago by Ancient Greek authors, including Homer and Aristotle, and in the Book of Job. More recently, Johannes Leche began recording dates of arrivals of spring migrants in Finland in 1749, and modern scientific studies have used techniques including bird ringing and satellite tracking to trace migrants. Threats to migratory birds have grown with habitat destruction, especially of stopover and wintering sites, as wel ...
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Greater Flamingo
The greater flamingo (''Phoenicopterus roseus'') is the most widespread and largest species of the flamingo family. It is found in Africa, the Indian subcontinent, the Middle East, and in southern Europe. Taxonomy The greater flamingo was described by Peter Simon Pallas in 1811. It was previously thought to be the same species as the American flamingo (''Phoenicopterus ruber''), but because of coloring differences of its head, neck, body, and bill, the two flamingos are now most commonly considered separate species. The greater flamingo has no subspecies. Description The greater flamingo is the largest living species of flamingo, averaging tall and weighing . The largest male flamingos have been recorded at up to tall and . Most of the plumage is pinkish-white, but the wing coverts are red and the primary and secondary flight feathers are black. The bill is pink with a restricted black tip, and the legs are entirely pink. The call is a goose-like honking. Chicks are cover ...
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Mediterranean Monk Seal
The Mediterranean monk seal (''Monachus monachus'') is a monk seal belonging to the family Phocidae. , it is estimated that fewer than 700 individuals survive in three or four isolated subpopulations in the Mediterranean, (especially) in the Aegean Sea, the archipelago of Madeira and the Cabo Blanco area in the northeastern Atlantic Ocean. It is believed to be the world's rarest pinniped species. This is the only species in the genus ''Monachus''. Description This species of seal grows from approximately long at birth up to an average of as adults, females slightly shorter than males. Males weigh an average of and females weigh , with overall weight ranging from . They are thought to live up to 45 years old; the average life span is thought to be 20 to 25 years old and reproductive maturity is reached at around age four. The monk seals' pups are about long and weigh around , their skin being covered by 1–1.5 centimeter-long, dark brown to black hair. On their bellies, th ...
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Endemism
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example '' Cytisus aeolicus'' is an endemite of the Italian flora. '' Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to ...
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