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Derek Ratcliffe grew up in Carlisle and began watching Ravens in the Lake- land fells while still a schoolboy. He later explored the Southern Uplands, Snowdonia and the Highlands, and developed a particular enthusiasm for the wildlife of the mountains and moorlands. In 1956, he joined the staff of the Nature Conservancy in Scotland, and worked for several years on the survey of vegetation in the Scottish Highlands and Islands. After this, Derek became involved in monitoring of the British Peregrine population and in the Monks Wood studies of the effects of organochlorine insecticides on birds of prey. In the late 1960s, he was responsible for the compilation of A Nature Conservation Review, an inventory of the most important terrestrial and freshwater sites in Britain for biological conservation. When the Nature Conservancy was set up anew in 1974, he became Chief Scientist and remained in his post until retirement in 1989. Although Ravens have always had to be largely a spare-time interest, he has managed to be in their nesting haunts in the spring of every year from 1945 onwards, and continues to enlarge his knowledge of their ways in the company of fellow Raven enthusiasts. He enjoys the freedom of retirement to pursue field work and to write about wildlife and its conservation.
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