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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 474 endangered mammalian species. [1] Of all evaluated mammalian species, 8.6% are listed as endangered. The IUCN also lists 86 mammalian subspecies as endangered.
A species may be endangered or vulnerable, but not considered rare if it has a large, dispersed population. IUCN uses the term "rare" as a designation for species found in isolated geographical locations. Rare species are generally considered threatened because a small population size is less likely to recover from ecological disasters.
The World's 100 most threatened species [1] is a compilation of the most threatened animals, plants, and fungi in the world. It was the result of a collaboration between over 8,000 scientists from the International Union for Conservation of Nature Species Survival Commission (IUCN SSC), along with the Zoological Society of London . [ 2 ]
Critically endangered (CR) species face an extremely high risk of extinction in the wild. As of January 2020, the International Union for Conservation of Nature (IUCN) listed 203 critically endangered mammalian species, including 31 which are tagged as possibly extinct. [1] [2] Of all evaluated mammalian species, 3.5% are listed as critically ...
A tour guide and former park ranger last weekend had what he called a "phenomenal" encounter with one of Yellowstone National Park's rarest and most elusive Rare wolverine photographed in ...
The World's 25 Most Endangered Primates is a list of highly endangered primate species selected and published by the International Union for Conservation of Nature (IUCN) Species Survival Commission (SSC) Primate Specialist Group (PSG), the International Primatological Society (IPS), Global Wildlife Conservation (GWC), and Bristol Zoological ...
Spade-toothed whales are the world’s rarest, with no live sightings ever recorded. No one knows how many there are, what they eat, or even where they live in the vast expanse of the southern ...
Species of conservation concern are frequently hard to study; there are often delays in implementing or identifying necessary conservation needs due to lack of data. [26] Because the species is so rare, there is a continuous lack of adequate data; this is one of the major problems facing saola conservation.