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. 2015 Apr 6;112(16):5081–5086. doi: 10.1073/pnas.1418034112

Fig. 2.

Fig. 2.

Small-ranged and threatened species. Globally small-ranged are those species with ranges smaller than the global median for that taxon. USA small-ranged are those species with ranges smaller than the median for the species in the lower 48 states. IUCN Threatened are species considered vulnerable, endangered, or critically endangered on the IUCN Red List.