1990 IUCN red list of threatened animals /
World Conservation Monitoring Centre.
International Union for Conservation of Nature and Natural Resources.Species Survival Commission.
International Council for Bird Preservation.
Gland, Switzerland ; Cambridge : IUCN,
1990.
Guest essay by Nathan Flesness and Tom Foose.
Chiefly tables.
Includes bibliographical references.
Rare animals.
Endangered species.