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Status of the Hen Harrier Circus cyaneus in the UK and the Isle of Man in 1998

I. M. W. Sim, Auteur ; D. W. Gibbons, Auteur ; I. P. Bainbridge, Auteur ; W. A. Mattingley, Auteur

Dans Bird Study (48 JUL 2001)

A survey of breeding Hen Harriers in the UK raid the Isle of Mail carried out in 1998 consisted of two parts: a complete census of 10-km squares at the core of the species' known range, and a random sample of 10-km squares across the rest of its[...]

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