Hen Harriers' hunting behaviour in south-west Scotland Hen Harriers Circus cyaneus are generally regarded as solitary hunters. For example, J. J. and F. C. Craighead (1956, Hawks, Owls and Wildlife) found that in winter Marsh Hawks C. c. hudsonius had individual hunting ranges from 30-40 acres (12-16 hectares) to one square mile (259 hectares) or more. In the winter of 1973/74 I noticed that Hen Har


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