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Schiedea adamantis, commonly known as Diamond Head schiedea, is a species of flowering plant in the family Caryophyllaceae, that is endemic to the island of Oʻahu in Hawaii. It inhabits low shrublands on steep slopes along the northwest rim of Diamond Head Crater .
Diamond Head is a volcanic tuff cone on the Hawaiian island of Oʻahu. It is known to Hawaiians as Lēʻahi ( pronounced [leːˈʔɐhi] ), which is most likely derived from lae (browridge, promontory) plus ʻahi (tuna) because the shape of the ridgeline resembles the shape of a tuna 's dorsal fin. [ 3 ]
The IUCN Red List of Threatened Species by the International Union for Conservation of Nature is the best known worldwide conservation status listing and ranking system. . Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmenta
The terms can be used somewhat interchangeably, as all vulnerable species are threatened, all endangered species are vulnerable and threatened, and all critically endangered species are endangered, vulnerable and threatened. Threatened species are also referred to as a red-listed species, as they are listed in the IUCN Red List of Threatened ...
As of February 2021, the International Union for Conservation of Nature (IUCN) lists 299 extinct species, 149 possibly extinct species, 14 extinct in the wild species, two possibly extinct in the wild species, eight extinct subspecies, one possibly extinct subspecies, and five extinct in the wild subspecies of mollusc. [1]
Endangered (EN) species are considered to be facing a very high risk of extinction in the wild. In September 2016, the International Union for Conservation of Nature (IUCN) listed 643 endangered fish species. [1] Of all evaluated fish species, 4.2% are listed as endangered. The IUCN also lists ten fish subspecies as endangered.
The bird is listed by the International Union for Conservation of Nature as being Critically Endangered, but there are no recent records and it may be extinct. The last recorded sighting was in 1989. The U.S. Fish and Wildlife Service declared the species extinct in a 2022 study review. [3]
Avian species (IUCN, 2020-3) 10,999 extant species have been evaluated; 10,947 of those are fully assessed [a] 9,461 are not threatened at present [b] 1,481 to 1,533 are threatened [c] 164 to 183 are extinct or extinct in the wild: 159 extinct (EX) species [d] 5 extinct in the wild (EW) 19 possibly extinct [CR(PE)]
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