noun, noun which may take the genitive case particle 'no'
Extinct in the Wild; EW
Conservation status category (IUCN Red List) for species that survive only in captivity, cultivation, or outside their historic range.
その動物は野生絶滅に指定されている。
That animal is classified as Extinct in the Wild.
野生絶滅種の再導入が計画されている。
Reintroduction of an Extinct in the Wild species is being planned.
絶滅 means 'extinction' in general, while 野生絶滅 specifically refers to the IUCN category 'Extinct in the Wild'.
Compound of 野生 (wild) and 絶滅 (extinction), directly corresponding to the English conservation term 'Extinct in the Wild'.