The Short-tailed Vole (or Field Vole), is the Barn Owl's commonest prey. They often account for more than half of its food intake during the breeding season. Also preyed on are the Wood Mouse (or Long-tailed Field Mouse), the Bank Vole and the Common Shrew. There have been several studies into the variety of prey that constitute the Barn Owl diet and the following table details the estimated proportions:

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The World Owl Trust is a member of the British and Irish Association of Zoos and Aquariums (BIAZA) and the European Association of Zoos and Aquariums (EAZA). The Trust relies on a dedicated membership, visitors, donations and legacies.