IUCN red list categories and criteria : version 3.1. : as approved by the 51st meeting of the IUCN Council, Gland, Switzerland, 9 February 2000/
prepared by the IUCN Species Survival Commission
- Version 3.1.
- 30 p. : ill. ; 21 cm.
Includes bibliographical references. Online version: http://www.iucnredlist.org/static/categories_criteria_3_1
2831706335
Endangered species Rare animals Biodiversity Red list Biodiversity conservation