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Article

Pellets as indicators of diet in Great Skuas Catharacta skua

S. C. Votier, Auteur ; S. Bearhop, Auteur ; N. Ratcliffe, Auteur ; R. W. Furness, Auteur

Dans Bird Study (48 JUL 2001)

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Article

The influence of hatching date on different life-history stages of Great Skuas Catharacta skua

P. Catry, Auteur ; N. Ratcliffe, Auteur ; R. W. Furness, Auteur

Dans Journal of Avian Biology (29(3) SEP 1998)

We investigated the effect of hatching date on chick body condition, chick survival, post-fledging survival and eventual breeding performance as an adult (laying date and clutch volume) of Great Skuas in Foula (Shetland). In 10 out of 16 years t[...]

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Article

Influences of breeding experience on the reproductive performance of Great Skuas Catharacta skua

N. Ratcliffe, Auteur ; R. W. Furness, Auteur ; N. I. Klomp, Auteur

Dans Journal of Avian Biology (29(3) SEP 1998)

The clutch size, a-egg volume and hatching success of Great Skuas on Foula, Shetland, were examined on successive breeding attempts following recruitment. Clutch size and a-egg volume increased with breeding experience but hatching success was n[...]

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Article

Status of Raso Lark Alauda razae with notes on threats and foraging behaviour

N. Ratcliffe, Auteur ; L. R. Monteiro, Auteur ; C. J. Hazevoet, Auteur

Dans Bird Conservation International (19(1) MAR 2009)

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