Birds, Mammals, Amphibia and ReptilesWebsites
Rare Breeds Survival Trust
The Bat Conservation Trust
People's Trust for Endangered Species
British Trust for Ornithology
The Hawk and Owl Trust
Froglife
Books
Buczacki, Stefan - Fauna Britannica, Hamlyn, 2002
RSPB - Wildlife of Britain, Dorland Kindersley, 2008
Taylor, Iain - The Barn Owl, Shire, 1989
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