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"British Wildlife is the pulsating heart of the UK nature conservation movement"

Matthew Oates, National Trust

"The most important and informative publication on wildlife of our times"

Michael McCarthy, The Independent

"Packed with readable, thoughtful, up to date articles; written by ecologists and naturalists for ecologists and naturalists"

Nick Baker, Presenter and Naturalist

Population Trends in British Barn Owls - a review of some possible causes

By - Steve Percival

Many of Britain's bird of prey populations suffered major declines in the 1960s and 1970s. In some species this decline has been the subject of detailed case-history studies: falling numbers of both the Sparrowhawk, Accipiter nisus, (Newton 1986) and the Peregrine, Falco peregrinus, (Ratcliffe 1980) were shown to be directly attributable to the use of organochlorine pesticides in the environment.

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"British Wildlife is the pulsating heart of the UK nature conservation movement."

Matthew Oates, National Trust

"The most important and informative publication on wildlife of our times"

Michael McCarthy, The Independent

"Packed with readable, thoughtful, up to date articles; written by ecologists and naturalists for ecologists and naturalists"

Nick Baker, Presenter and Naturalist