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Sky islands are mountains in ranges isolated by valleys in which other ecosystems are located. As a result, the mountain ecosystems are isolated from each other, and species can develop in parallel, as on island groups such as the Galapagos.
The best known examples of sky islands is an area at the northern end of the Sierra Madre Occidental, including parts of New Mexico, Arizona, Chihuahua and Sonora, on the United States- Mexico border.
Other sky islands can be found in the Great Basin, VenezuelaThe Bolivarian Republic of Venezuela (Spanish: Republica Bolivariana de Venezuela "Bolivarian Republic of Venezuela") is a country in northern South America. 1 It borders the Caribbean Sea and the Atlantic Ocean to the north, Guyana to the east, Brazil to, and in AfricaAfrica is the world's second-largest continent in both area and population, after Asia. 30,244,050 km2 (11,677,240 mi2) including the islands, it covers 20. 3% of the total land area on Earth, and with over 800 million human inhabitants it accounts for ar. Some AsiaThe continent of Asia is defined by subtracting Europe and Africa from the great land mass of Africa-Eurasia. The boundaries are vague, especially between Asia and Europe: Asia and Africa meet somewhere near the Suez Canal. The boundary between Asia and En examples include Mt. Victoria (3050 m) in central MyanmarThe Union of Myanmar is a country in Southeast Asia, formerly known as Burma . The name of the country was changed in 1989, and this change of name has been officially recognized by the United Nations. Some national governments, such as the United States, Fan Si Pan (3140 m) in northernmost VietnamThe Socialist Republic of Vietnam is a country in Southeast Asia. It borders China, Laos, Cambodia, and the Gulf of Tonkin. Cng Hoa Xa Hi Ch Nghia Vit Nam ( In Detail) (Full size) National motto: Dc lp, t do, hnh phuc (Independence, Liberty, Happiness Off, and the mountains of central TaiwanFor the political entity commonly known as "Taiwan," see Republic of China. The island of Taiwan ( Traditional: , Simplified: , Pinyin: Taiwn, Wade-Giles: T'ai-wan, Taiwanese: Tai-oan) is located off the coast of China in the Pacific Ocean. It is also kno; these mountains all hold isolated outposts of PalearcticThe Palearctic or Palaearctic is one of the eight ecozones dividing the Earth surface (see ). Physically, the Palearctic is the largest ecozone. It includes the terrestrial ecoregions of Europe, Asia north of the Himalaya foothills, northern Africa, and t flora in the otherwise tropical IndomalayaThe Indomalaya Ecozone was previously called the Oriental region. It extends from the Makran region of southern Pakistan through the Indian subcontinent and Southeast Asia to lowland southern China, and through Indonesia as far as Java, Bali, and Borneo,n flora region.