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The number of species by (a) Categories and (b) Criteria. Categories: CR = Critically Endangered, EN = Endangered, VU = Vulnerable, NT = Near Threatened, LC = Least Concern, DD = Data Deficient, NE = Not Evaluated—corresponds to Rana catesbeiana, an invasive species in Ecuador. Atelopus ignescens (Critically Endangered) was believed to be extinct until its rediscovery in 2016. Illustration by PARG.
