Improvements to the Red List Index

• Stuart H.M. Butchart ,

  *To whom correspondence should be addressed. E-mail: stuart.butchart@birdlife.org

  Affiliation BirdLife International, Cambridge, United Kingdom

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• H. Resit Akçakaya,

  Affiliation Applied Biomathematics, Setauket, New York, United States of America

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• Janice Chanson,

  Affiliation Conservation International/Center for Applied Biodiversity Science-World Conservation Union (IUCN)/Species Survival Commission Biodiversity Assessment Unit, IUCN Species Programme, Center for Applied Biodiversity Science, Conservation International, Washington, D. C., United States of America

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• Jonathan E.M. Baillie,

  Affiliation Institute of Zoology, Zoological Society of London, London, United Kingdom

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• Ben Collen,

  Affiliation Institute of Zoology, Zoological Society of London, London, United Kingdom

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• Suhel Quader,

  Affiliations Department of Zoology, University of Cambridge, Cambridge, United Kingdom, Royal Society for the Protection of Birds, Sandy, United Kingdom

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• Will R. Turner,

  Affiliation Center for Applied Biodiversity Science, Conservation International, Washington, D. C., United States of America

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• Rajan Amin,

  Affiliation Institute of Zoology, Zoological Society of London, London, United Kingdom

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• Simon N. Stuart,

  Affiliation Conservation International/Center for Applied Biodiversity Science-World Conservation Union (IUCN)/Species Survival Commission Biodiversity Assessment Unit, IUCN Species Programme, Center for Applied Biodiversity Science, Conservation International, Washington, D. C., United States of America

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• Craig Hilton-Taylor

  Affiliation World Conservation Union (IUCN) Species Programme, Cambridge, United Kingdom

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