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About: List of recently extinct mammals     Goto   Sponge   NotDistinct   Permalink

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Recently extinct mammals are defined by the International Union for Conservation of Nature (IUCN) as any mammals that have become extinct since the year 1500 CE. Since then, roughly 80 mammal species have become extinct. Extinction of taxa is difficult to confirm, as a long gap without a sighting is not definitive, but before 1995 a threshold of 50 years without a sighting was used to declare extinction. As of December 2015, the IUCN listed 30 mammalian species as "critically endangered (possibly extinct)".