“In the last few months the Western black rhino and the South Florida Rainbow Snake have gone extinct, as far as official recordkeepers are concerned. Less than 3,200 tigers remain as human development, pollution and climate change impinge on ever narrowing habitats.”
–Rose Eveleth. “U.S. Exempts Species Classified as Endangered in the Rest of the World [Slide Show]”. Scientific American Dec. 14, 2011. Web.