Dan Zetterström
Dan Zetterström (born 1 June 1954) is a Swedish ornithologist and bird artist. He is best known as a co-author of the Collins Bird Guide, with Killian Mullarney, Lars Svensson and Peter J. Grant. He has designed several series of Swedish stamps.He has contributed to the following titles: * ''Collins Bird Guide'', with Killian Mullarney, Lars Svensson and Peter Grant * ''Handbook of Bird Identification'', Mark Beaman and Steve Madge * ''Country Life Guides, Birds of Britain and Europe'', Håkan Delin et al. * ''Handbook of the Birds of Europe The Middle East and North Africa'' (''Birds of the Western Palearctic''), S. Cramp et al. Provided by Wikipedia