Figure 4.8
Preliminary Red List Indices (RLIs) for selected amphibian families for 1980–2004 (retrospective assessment). Sample sizes: Bufonidae: 106 genuine status changes out of 233 species in categories Extinct in the Wild (EW) to Near Threatened (NT) in at least one assessment; Leptodactylidae: 121 out of 584 species; Hylidae: 68 out of 241 species; Ranidae: 56 out of 222 species; Microhylidae: 10 out of 89 species; Plethodontidae: 34 out of 204 species.