Books — Global Red Lists & Red Data Books
External Link
Preliminary List of Rare Mammals and Birds: including those thought to be rare but of which detailed information is still lacking
Available for download.
Drawn up by the Survival Service Commission of IUCN and the International Council for Bird Preservation. 1964. Preliminary List of Rare Mammals and Birds: including those thought to be rare but of which detailed information is still lacking. Published as Section 12 in The Launching of a New Ark. First Report of the World Wildlife Fund (edited by Sir Peter Scott).
External Link