Endangered birds of the world : the ICBP bird Red data book /
King, Warren B.
Vincent, Jack.Aves.
International Council for Bird Preservation.cn
International Union for Conservation of Nature and Natural Resources.Species Survival Commission.cn
Washington, D.C. : Published by the Smithsonian Institution Press in cooperation with the International Council for Bird Preservation,
1981, c1979.
Revision of: Vincent, Jack. Aves, c1966.
Reprint. Originally published: Aves. 2nd rev. ed. Morges, Switzerland : International Union for Conservation of Nature and Natural Resources, 1979. (Red data book ; v. 2)
Includes bibliographical references.
Rare birds.
Birds, Protection of.