Priceless Or Worthless

Priceless or

Worthless?

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Priceless or Worthless

Erythrina schliebenii © Cosmas Mligo

“This book does not merely tell us which species are most endangered, it shows us how we can save them. It challenges us to commit to safeguarding our priceless natural heritage for future generations”
His Royal Highness The Duke of Cambridge

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Cover image of ajuvenile Eleutherodactylus thorectes © Robin Moore

Disclaimer: The designation of geographical entities in this book, and the presentation of the material, do not imply the expression of any opinion whatsoever on the part of the Zoological Society of London, IUCN or the compilers concerning the legal status of any country, territory, or area, or of its authorities, or concerning thedelimitation of its frontiers or boundaries. The views expressed in this publication do not necessarily reflect those of the Zoological Society of London, IUCN or other participating organizations. Published by: Zoological Society of London, Regent’s Park, London NW1 4RY Copyright: © Zoological Society of London and contributors 2012. All rights reserved. The use and reproduction of any part of thispublication is prohibited without prior consent of the copyright owner. Hardback ISBN: 978-0-900881-65-7 Paperback ISBN: 978-0-900881-66-4 Online ISBN: 978-0-900881-67-1 Baillie, J.E.M. & Butcher, E. R. (2012) Priceless or Worthless? The world’s most threatened species. Zoological Society of London, United Kingdom. Design: Kevin Hawkes www.22creative.co.uk Print: witherbysonline.co.uk

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Priceless orWorthless

Priceless or Worthless?
The world’s most threatened species
by Jonathan E M Baillie and Ellen R Butcher
Nominations provided and text reviewed by members of the IUCN Species Survival Comission Specialist Groups and Red List Authorities

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Acknowledgements
We give gracious thanks to the global network of scientists who comprise the IUCN SpeciesSurvival Commission Specialist Groups
Amphibians and Reptiles Amphibian Specialist Group Crocodile Specialist Group Iguana Specialist Group Marine Turtle Specialist Group North American Reptile Red List Authority Sea Snake Specialist Group Tortoise and Freshwater Turtle Specialist Group Birds Bird Red List Authority Cormorant Specialist Group Crane Specialist Group Diver/ Loon Specialist Group DuckSpecialist Group Flamingo Specialist Group Galliforme Specialist Group Goose Specialist Group Grebe Specialist Group Heron Specialist Group Pelican Specialist Group Stork, Ibis and Spoonbill Specialist Group Swan Specialist Group Threatened Waterfowl Specialist Group Woodcock and Snipe Specialist Group Disciplinary Groups Conservation Breeding Specialist Group Invasive Species Specialist GroupLarge Carnivore Initaitve for Europe Re-introduction Specialist Group Sustainable Use Specialist Group Wildlife Health Specialist Group Fish IUCN/WI Freshwater Fish Specialist Group Groupers and Wrasses Specialist Group Hawkfishes and Sandperches Red List Authority Salmonid Specialist Group The GMSA Team Sciaenid Red List Authority Seabreams, Snapper and Grunts Red List Authority Shark SpecialistGroup Sturgeon Specialist Group Sygnathiformes and Gasterosteiformes Red List Authority Tuna and Billfish Specialist Group Coral and Reef Fishes Specialist Group Fungi Chytrid, Zygomycete, Downy Mildew and Slime Mould Specialist Group Cup-fungus, Truffle and Ally Specialist Group Lichen Specialist Group Mushroom, Bracket and Puffball Specialist Group Rust and Smut Specialist Group Invertebrates CoralSpecialist Group Dragonfly Specialist Group Freshwater Crab and Crayfish Specialist Group Grasshopper Specialist Group Marine Invertebrate Red List Authority Mollusc Specialist Group Terrestrial and Freshwater Invertebrate Red List Authority Mammals African Elephant Specialist Group African Rhino Specialist Group Afrotheria Specialist Group Anteater, Sloth and Armadillo Specialist Group...