Figure 4.2
Red List Indices (RLIs) for birds in different biogeographic realms for 1988–2004. Sample sizes: Afrotropical = 41 genuine status changes out of 394 species in categories Extinct in the Wild (EW) to Near Threatened (NT) in at least one assessment; Indomalayan = 100 out of 585 species; Nearctic = 9 out of 92 species; Neotropical = 49 out of 834 species; Australasian/Oceanic = 53 out of 614 species; Palearctic = 34 out of 238 species.