Keith Vinicombe is an ornithologist and bird identification expert. His first book was the Macmillan Field Guide to Bird Identification, which became the Helm Guide to Bird Identification in its second edition. Keith has served on both the British Birds Rarities Committee and the BOU Records Committee; he is identification consultant to Birdwatch magazine, and has written extensively on bird identification in Birdwatch and other journals, including Birding World and British Birds.