Endemism
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Endemism is the state of a species being found only in a singular defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place
Both the orange-breasted sunbird (Anthobaphes violacea) and the Kniphofia uvaria plant it feeds on are found exclusively in South Africa.
Bicolored frog (Clinotarsus curtipes) is endemic to the Western Ghats of India.
Montezuma Well in the Verde Valley of Arizona contains at least five endemic species found exclusively in the sinkhole.
Chorus cicada (Amphipsalta zelandica), a species endemic to New Zealand
Socotra
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Socotra, locally known as Saqatri, is a Yemeni island in the Indian Ocean. It is situated between the Gulf of Aden, the Guardafui Channel and the Arabian Sea, and lies near major shipping routes. The
Endemism
…the rate of endemism is particularly high. For example, many endemic species are found on remote islands, such as Hawaii, the Galápagos Islands and Socotra. Populations on an island are isolated, with little opportunity to interbreed with outside populations, which eventually causes reproductive isolation…
Local men from Socotra taken by Charles K. Moser (1918)
Diksam Plateau
Momi Plateau with rainwater harvest structures, water storage body, shelter for herders
Hajhir Mountains