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Article
Gillian Gilbert, Auteur ; Fiona S. MacGillivray, Auteur ; Clive R. McKay, Auteur ; Helen S. Robertson, AuteurCapsuleA declining Red-billed Chough Pyrrhocorax pyrrhocorax population, observed during the post-breeding period, used dung and soil-based habitat features as frequent and consistent food sources, but this had not changed from when the populati[...]
Article
Gillian Gilbert, AuteurCapsule Structural aspects were common across a range of different habitat types and there was evidence that this breeding habitat was limited in extent. Aims To characterize Grasshopper Warbler breeding habitat in Britain and to use this assess[...]
Article
Andy Brown, Auteur ; Gillian Gilbert, Auteur ; Simon Wotton, AuteurOnce widespread and even locally numerous across the lowlands of the UK, the Eurasian Bittern Botaurus stellaris had been extirpated by a combination of habitat loss and persecution by the late 1880s. After the species returned, at the start of [...]
Article
Gillian Gilbert, Auteur ; Andrew F. Brown, Auteur ; Simon R. Wotton, AuteurThe decline of the Bittern Botaurus stellaris has long been symbolic of wetland habitat loss and fragmentation across western Europe. Wetland restoration and creation activity, targeted at Bittern, has been ongoing in the UK for more than 10 yea[...]
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Simon Wotton, Auteur ; Mark Grantham, Auteur ; Nick Moran, Auteur ; Gillian Gilbert, AuteurBy collating records from a number of sources, primarily via Bird Guides, Bird Track and county bird recorders, it was found that there were a minimum of 600 wintering Eurasian Bitterns Botaurus steads in the
Article
Marina Dmitrenok, Auteur ; Luca Puglisi, Auteur ; Laurent Demongin, Auteur ; Gillian Gilbert, Auteur ; Marcin Polak, Auteur ; Vincent Bretagnolle, AuteurBiometrics, plumage and bare-part colour of 87 Great Bitterns Botaurus stellaris from the UK, France, Italy, Poland and Belarus, of known sex (sexed by behaviour, DNA or dissection), were analysed to provide reliable sexing and ageing criteria f[...]
Article
Gillian Gilbert, Auteur ; Glen A. Tyler, Auteur ; Christopher J. Dunn, Auteur ; Norman Ratcliffe, Auteur ; Ken W. Smith, AuteurGreat Bitterns Botaurus stellaris have experienced a population decline in the UK, such that in 1997 the total number of breeding males was just 11. This study aimed to identify factors affecting productivity, and how management could be used to[...]
