The mighty lion, reclusive cave crabs and the world's rarest sea lion are among nearly 23,000 species at risk of dying out, a top conservation body warned on Tuesday. In an update to its "Red List" of threatened species, the International Union for the Conservation of Nature hailed some clear advances in saving endangered species like the Iberian Lynx. But, it warned, those successes have been overshadowed by declines in a range of species, with 22,784 species of animals and plants threatened with extinction. "Our natural world is becoming increasingly vulnerable," warned IUCN chief Inger Andersen, urging increased efforts to save species teetering on the edge.
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