The Ryukyu Kingdom was a kingdom in the Ryukyu Islands from 1429 to 1879. It was ruled as a tributary state of imperial Ming China by the Ryukyuan monarchy, who unified Okinawa Island to end the Sanzan period, and extended the kingdom to the Amami Islands and Sakishima Islands. The Ryukyu Kingdom played a central role in the maritime trade networks of medieval East Asia and Southeast Asia despite its small size. The Ryukyu Kingdom became a vassal state of the Satsuma Domain of Japan after the invasion of Ryukyu in 1609 but retained de jure independence until it was transformed into the Ryukyu Domain by the Empire of Japan in 1872. The Ryukyu Kingdom was formally annexed and dissolved by Japan in 1879 to form Okinawa Prefecture, and the Ryukyuan monarchy was integrated into the new Japanese nobility.
Ovophis monticola, commonly known as the Chinese mountain pit viper, is a venomous pitviper species found in Asia. Currently, two subspecies are recognized, including the nominate subspecies described here. Recent taxonomic work suggests that most of these should be considered as separate species. IUCN has already evaluated O. m. makazayazaya as Ovophis makazayazaya.
Protobothrops mucrosquamatus is a venomous pit viper species endemic to Asia. Common names include: brown-spotted pit viper, Taiwanese habu and pointed-scaled pit viper. No subspecies are currently recognized. The species was first described by Theodore Cantor in 1839.
The Ryukyu Islands, also known as the Nansei Islands or the Ryukyu Arc, are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands, with Yonaguni the westernmost. The larger are mostly high islands and the smaller mostly coral. The largest is Okinawa Island.
The Tokara Islands is an archipelago in the Nansei Islands, and are part of the Satsunan Islands, which is in turn part of the Ryukyu Archipelago. The 150 kilometres (81 nmi) chain consists of twelve small islands located between Yakushima and Amami-Oshima. The islands have a total area of 101.35 square kilometres (39.13 sq mi). Administratively, the whole group belongs to Toshima Village, Kagoshima Prefecture, Japan. Only seven of the islands are permanently inhabited. The islands, especially Takarajima, are home to the Tokara Pony.
The wildlife of Japan includes its flora, fauna, and natural habitats. The islands of Japan stretch a long distance from north to south and cover a wide range of climatic zones. This results in a high diversity of wildlife despite Japan's isolation from the mainland of Asia. In the north of the country, north of Blakiston's Line, there are many subarctic species which have colonized Japan from the north. In the south there are south-east Asian species, typical of tropical regions. Between these areas lies the temperate zone which shares many species with China and Korea. Japan also has many endemic species that are found nowhere else in the world, making it home to many endangered/rare species.
The Ryukyu flying fox or Ryukyu fruit bat is a species of megabat in the family Pteropodidae. It is found in Japan, Taiwan, and the Batanes and Babuyan Islands of the Philippines. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical swamps. It is threatened by habitat loss and by hunting for food and the IUCN classify it as "Vulnerable".
Kikaijima is one of the Satsunan Islands, classed with the Amami archipelago between Kyūshū and Okinawa.
Ovophis okinavensis, commonly known as the hime habu (ヒメハブ), Ryukyu Island pit viper, and the Okinawan pitviper, is a venomous pitviper species found in the Ryukyu Islands of Japan. No subspecies are currently recognized.
Protobothrops elegans is a venomous pitviper species endemic to Japan in the southern Ryukyu Islands. No subspecies are currently recognized. Common names include: elegant pitviper, Sakishima habu (サキシマハブ), and elegant tree viper.
Protobothrops flavoviridis is a species of venomous pit viper endemic to the Ryukyu Islands of Japan. No subspecies are currently recognized. Local common names include habu, Okinawa habu, and Kume Shima habu.
The Tokara habu is a venomous pit viper species endemic to the Tokara Islands of Japan. No subspecies are currently recognized.
Okinawa habu may refer to:
Pollia is a genus of flowering plants in the family Commelinaceae, first described in 1781. It is widespread through the Old World Tropics: Africa, southern Asia, northern Australia, etc. There is also one species endemic to Panama.
Gekko shibatai is a species of gecko, a lizard in the family Gekkonidae. The species is endemic to the Ryukyu Islands.
The Ryukyu Arc is an island arc which extends from the south of Kyushu along the Ryukyu Islands to the northeast of Taiwan, spanning about 1,200 kilometres (750 mi). It is located along a section of the convergent plate boundary where the Philippine Sea Plate is subducting northwestward beneath the Eurasian Plate along the Ryukyu Trench. The arc has an overall northeast to southwest trend and is located northwest of the Pacific Ocean and southeast of the East China Sea. It runs parallel to the Okinawa Trough, an active volcanic arc, and the Ryukyu Trench. The Ryukyu Arc, based on its geomorphology, can be segmented from north to south into Northern Ryukyu, Central Ryukyu, and Southern Ryukyu; the Tokara Strait separates Northern Ryukyu and Central Ryukyu at about 130˚E while the Kerama Gap separates Central Ryukyu and Southern Ryukyu at about 127 ˚E. The geological units of the arc include igneous, sedimentary, and metamorphic rocks, ranging from the Paleozoic to Cenozoic in age.
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