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Documents disponibles écrits par cet auteur (10)
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Article
Daniel B. Hayhow, Auteur ; Mark A. Eaton, Auteur ; Andy J. Stanbury, Auteur ; Andy Douse, Auteur ; Mick Marquiss, AuteurCapsule: The first national survey for Snow Bunting Plectrophenax nivalis in the UK was carried out in 2011 and estimated the breeding population at 60 territories (95% confidence intervals = 48–83).Aims: To estimate breeding population size for[...]
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Mick Marquiss, AuteurCapsule Where predators occur, Bullfinch populations are probably limited as much by landscape structure as by the abundance of key food species. Aims To explore the interaction between food, cover and predation by comparing the seasonal pattern[...]
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Mick Marquiss, AuteurCapsule Where predators occur, Bullfinch populations are probably limited as much by landscape structure as by the abundance of key food species. Aims To explore the interaction between food, cover and predation by comparing the seasonal pattern[...]
Article
Adam Watson, Auteur ; Mick Marquiss, Auteur ; Ron Summers, AuteurWe present a more complete and definitive analysis than hitherto of the long runs of data on crossbill abundance and cone-crops in Finland and in Scotland. The abundance of Common Crossbills Loxia curvirostra in Finland was correlated with the a[...]
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Mick Marquiss, Auteur ; Robert Rae, Auteur
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D. P. Whitfield, Auteur ; Robin Reid, Auteur ; Paul F. Haworth, Auteur ; Mike Madders, Auteur ; Mick Marquiss, Auteur ; Ruth Tingay, Auteur ; Alan H. Fielding, AuteurAmongst raptor species, individuals with specialized diets are commonly observed to have higher reproductive output than those with general diets. A suggested cause is that foraging efficiency benefits accrue to diet specialists. This diet speci[...]
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Ian Newton, Auteur ; Keith A. Hobson, Auteur ; Anthony D. Fox, Auteur ; Mick Marquiss, AuteurThe 2004 invasion of northern bullfinches into parts of western Europe was the largest on record. It also involved some birds that gave the normal piping call of the species, and others that gave a different 'trumpet' call, previously unknown to[...]
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Mick Marquiss, Auteur ; Lynne Robinson, Auteur ; Elizabeth Tindal, AuteurMost breeding Ospreys Pandion haliaetus in the UK are in Scotland and feed on freshwater fish. Some east-coast pairs use estuarine fish in summer but still depend on freshwater foraging in spring. However, a pair in southwest Scotland fed predom[...]
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Mick Marquiss, Auteur ; Ian Newton, Auteur ; Keith A. Hobson, Auteur ; Yann Kolbeinsson, AuteurWe used analyses of stable hydrogen isotope (d2H) measurements in Common Crossbill feathers (d2Hf) to infer the region of origin of Crossbills collected from different irruptions into Britain, Iceland and the Faeroes, comparing these values with[...]
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Mick Marquiss, Auteur ; Keith A. Hobson, Auteur ; Ian Newton, AuteurWe used the stable isotope composition of body feathers to show the extraordinarily varying regional provenance of an irruptive conifer seed specialist, the common crossbill Loxia curvirostra. In the boreal region of the western Palearctic, this[...]
