Letters

01 October 2000 Comments Letters The RSPB agrees with Bernard Zonfrillo (Brit. Birds 93: 394-396) that the world is not ideal, but believes that some of his other comments are misplaced. Globally, introductions are a major cause of biodiversity loss (Vitousek et al. 1997) and pose a s...
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Letters

01 August 1996 Comments Letters The recent British Ornithologists' Union conference on 'Feral and introduced birds' prompted Holmes & Stroud (1995) to suggest a possible set of standard terms for describing the status of naturalised birds. Indeed, these terms could equally apply ...
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