“Endangered” and “Vulnerable” species; Non-threatened (blue line) includes “Near Threatened” and “Least Concern” species; Data Deficient (black dotted line) includes “Data Deficient” species, and Total (black solid line) includes Threatened, Non-threatened, and Data Deficient species. Additionally, 3 “Extinct” and 1 “Extinct in the Wild” amphibian species are included in threatened accumulation curves as individuals of each species were recently rediscovered in the wild. Top photograph: the Critically Endangered, Atelopus seminiferus, rediscovered in Peru in 2001; middle photograph: the Endangered, Gallicolumba hoedtii, rediscovered in Indonesia in 2008; and bottom photograph: the Critically Endangered, Prolemur simus, rediscovered in Madagascar in 1986. Photo credits: A. seminiferus courtesy of Jan Post, G. hoedtii courtesy of Philippe Verbelen. and P. simus courtesy of N. Rowe/alltheworldsprimates.org. |