Peter Hayman is one of the best-known and most authoritative ornithologists, bird artists and authors in Europe, renowned for his uniquely meticulous approach to bird illustration. His previous books include the best-selling Birdwatchers' Pocket Guide (Mitchell Beazley), Shorebirds of the World (Helm) and The Illustrated Guide to the Birds of South Africa (New Holland/Straak). He lives in Suffolk. Rob Hume has been editor of the Royal Society for the Protection of Birds' award-winning Birds magazine since 1989. He has written several ornithological books including Discovering Birds, Observer's Birds, Focus on Birdwatching, and Birds by Character. For 10 years he was a member and Chairman of the national British Birds Rarities Committee that scrutinises reports of rare birds in Britain, and in 1973 he discovered a new species for Britain, the American ring-billed gull. He lives in Befordshire.