Assertion: extinction | /r/CapableOf | represent 21% of mammals
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text: Delving deeper, the IUCN Red List of Threatened Species notes that 36% of the 47,677 species assessed are threatened with extinction, which represents 21% of mammals, 30% of amphibians, 12% of birds, 28% of reptiles, 37% of freshwater fishes, 70% of plants, and 35% of invertebrates.