EDGE metric and EDGE lists

A consistent methodology for prioritising species conservation efforts based on extinction risk data (the Red List) and phylogenetic information; EDGE lists, representing the most evolutionarily distinct and threatened species on Earth, are currently available for all amphibians, birds, mammals, ray-finned fish, reptiles, sharks and rays, freshwater crayfish, and gymnosperms, with lists for other groups, including all angiosperms, forthcoming

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