Resultado da Busca
A species that is extinct in the wild ( EW) is one that has been categorized by the International Union for Conservation of Nature as only consisting of living members kept in captivity or as a naturalized population outside its historic range.
9 de jan. de 2024 · Learn about the conservation status and reasons for extinction of various animals that are extinct in the wild, such as birds, fish, and reptiles. See pictures and facts of these species and their reintroduction attempts.
We reveal the dynamic and perilous state occupied by EW species. We provide an overview of the fates of the 95 species that, since 1950, are known to have persisted in ex situ care despite extirpation in the wild and characterize the present statuses of the 84 species currently assessed as EW.
Ex situ care on the brink of extinction. Ex situ care can save species with declining wild populations from outright extinction. However, populations extirpated to ex situ care are in a precarious state and require growth and careful management to mitigate the risks of genetic deterioration and extinction.
The IUCN Red List is the world's most comprehensive information source on the global conservation status of animal, fungi and plant species. It classifies species into nine categories, including Extinct in the Wild, which are known only to survive in cultivation, captivity or outside their historic range.
This revised extinction model refutes the supposed long-term survival of a captive milu herd for centuries or millennia after final extinction of wild populations, highlighting the...
14 de mar. de 2023 · The researchers found that out of the 95 species classified as extinct in the wild since 1950, 11 have gone extinct since the 1990s.
