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Local extinction is often presented as a value judgment where the extinction is regarded as self-evident within a single survey. Thus it has not been subjected to evaluation by the IUCN criteria for 'extinct' or 'extinct in the wild' and may give a misleading impression of the local status of the species (IUCN 2012). I propose an expression for local extinctions as locally extinct for η number of years (i.e., L. ?., n). This format allows a taxon to...