Book reviewed in this article:Threatened Birds of Africa and Related Islands. The ICBPIIUCN Red Data Book, Part 1. 3rd edn. By N. J. Collar and S. N. Stuart.The Mammals of the Southern African Subregion. By R. H. N. Smithers.Threatened Birds of Africa and Related Islands. The ICBP/IUCN Red Data Book, Part 1 3rd edn. By N. J. Collar and S. N. Stuart