Share of described species that have been evaluated for their extinction
risk, 2024

In many taxonomic groups, very few described species have been evaluated for their extinction risk level. This means theestimated number of species at risk of extinction in these groups is likely to be a significant undercount.

100%100%91%89%84%76%16%8%4%1%1%Horseshoe CrabsBirdsAmphibiansMammalsReptilesFishesCoralsAll groupsCrustaceansInsectsArachnids

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Share of described species that have been evaluated for their extinction risk

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