| Titre : | Bird Study 63(2) - avril 2, 2016 |
| Type de document : | Bulletin |
| Paru le : | 01/04/2016 |
Dépouillements
Article
Staffan Roos, Auteur ;
Chris Donald, Auteur ;
Desmond Dugan, Auteur ;
Mark H. Hancock, Auteur ;
David O’Hara, Auteur ;
Leigh Stephen, Auteur ;
Murray Grant, Auteur
Capsule: In the Scottish Highlands, Black Grouse Tetrao tetrix females with young broods selected areas rich in wet flushes, grasses and Sphagnum mosses.Aims: To identify associations between young Black Grouse broods and habitat characteristics[...]
Article
Paweł Mirski, Auteur ;
Dominik Krupiński, Auteur ;
Krzysztof Szulak, Auteur ;
Michał Żmihorski, Auteur
Capsule: The diet of the Montagu’s Harrier Circus pygargus is variable and comprises the most available prey at a given time of the season. We found no evidence for a relationship between diet and land-use in the core foraging zone.Aims: We inve[...]
Article
Navinder J. Singh, Auteur ;
Edward Moss, Auteur ;
Tim Hipkiss, Auteur ;
Frauke Ecke, Auteur ;
Holger Dettki, Auteur ;
Per Sandström, Auteur ;
Peter Bloom, Auteur ;
Jeff Kidd, Auteur ;
Scott Thomas, Auteur ;
Birger Hörnfeldt, Auteur
Capsule: Global Positioning System (GPS)-tagged adult Golden Eagles Aquila chrysaetos breeding in forests in northern Sweden selected clear-cuts, coniferous forests with lichens and steep slopes during the breeding season but avoided wetlands an[...]
Article
Simon R. Wotton, Auteur ;
Andrew J. Stanbury, Auteur ;
Andrew Douse, Auteur ;
Mark A. Eaton, Auteur
Capsule: There were up to 6348 Ring Ouzel territories in the UK in 2012.Aims: To produce estimates of the size of the Ring Ouzel breeding population in the UK and its constituent countries.Methods: A stratified random selection of tetrads was su[...]
Article
Emma Blackburn, Auteur ;
Will Cresswell, Auteur
Wintering Northern Wheatears Oenanthe oenanthe in the Sahel region of Northern Nigeria held small (approximately 70 m diameter) distinct territories during the study period, and territory size did not differ between adult and first winter birds.[...]
Article
Olga Jordi, Auteur ;
Juan Arizaga, Auteur
Capsule: Chick growth rates was sex-dependent in an Atlantic Yellow-legged Gull Larus michahellis population.Aims: To describe the growth rate of Yellow-legged Gull chicks and sex-associated variations, and obtain a discriminant function to sex [...]
Article
Amaia Ortiz de Elgea, Auteur ;
Juan Arizaga, Auteur
Capsule: Common sandpipers stopping over in a tidal marsh in northern Iberia during the autumn migration period showed a moderate mean fuel load and low fuel deposition rate, but relatively long stopover periods, suggesting a ‘hopping’ strategy [...]
Article
Luca Nelli, Auteur ;
Marco Murru, Auteur ;
Alberto Meriggi, Auteur
Capsule: The Black Grouse is a primarily lekking species, but low population density and lack of suitable habitat can lead to the establishment of non-lekking populations.Aims: To understand if differences in density could be related to differen[...]
Article
Christopher Murray, Auteur ;
Jeroen Minderman, Auteur ;
James Allison, Auteur ;
John Calladine, Auteur
Capsule: Whinchat Saxicola rubetra foraging behaviour was significantly influenced by habitat structure and grazing.Aims: To assess how foraging habitats selected by breeding Whinchats differed from wider territory attributes under contrasting g[...]
Article
Kateřina Harničárová, Auteur ;
Peter Adamik, Auteur
Capsule: The diversity of mammal hair found in nest linings varied between bird species and with season.Aims: We examined mammal species composition in the guard hair material of four cavity-nesting songbirds, focusing on their numbers and occur[...]
Article
Naomi Huig, Auteur ;
Roland-Jan Buijs, Auteur ;
Erik Kleyheeg, Auteur
Capsule: Large numbers of Herring Gulls Larus argentatus and Lesser Black-backed Gulls Larus fuscus from a traditional colony in the Netherlands visit an urban area for food in the chick rearing period, causing nuisance while doing so.Aims: To a[...]
Article
Niamh M. McHugh, Auteur ;
Matt Prior, Auteur ;
Simon R. Leather, Auteur ;
John M. Holland, Auteur
It has been suggested by some authors that the UK agri-environment ‘wild bird seed’ option negatively impacts Tree Sparrow populations in the UK. Here we provide evidence for a change in nestling diet with increasing wild bird seed coverage and [...]
Article
Juan Arizaga, Auteur ;
Steven L. Van Wilgenburg, Auteur ;
Daniel Alonso, Auteur ;
Jose A. Cortés, Auteur ;
Michel Leconte, Auteur ;
Hamid Rguibi, Auteur ;
Thijs Valkenburg, Auteur ;
Pablo Vera, Auteur ;
Keith A. Hobson, Auteur
Capsule: Stable isotope analyses reveal some degree of migratory connectivity of Bluethroat populations wintering from Iberia to West Africa.Aims: To identify the probable breeding origins of Bluethroats wintering from Iberia to Senegal.Methods:[...]
Article
Abel Gyimesi, Auteur ;
Theo J. Boudewijn, Auteur ;
Roland-Jan Buijs, Auteur ;
Judy Z. Shamoun-Baranes, Auteur ;
Job W. de Jong, Auteur ;
Ruben C. Fijn, Auteur ;
Peter W. van Horssen, Auteur ;
Martin J. M. Poot, Auteur
Capsule: Lesser Black-backed Gulls Larus fuscus breeding 30 km from the coast in the Netherlands focussed entirely on terrestrial food sources and reached relatively high breeding success.Aim: To gain insight in the foraging ecology, habitat use[...]
Article
John W. Mallord, Auteur ;
Ken W. Smith, Auteur ;
Paul E. Bellamy, Auteur ;
Elisabeth C. Charman, Auteur ;
Richard D. Gregory, Auteur
Capsule: The direction and magnitude of changes in structure of UK woodlands since the 1980s, are inconsistent with them playing a causative role in the declines of four migrant bird species in upland oak woods.Aims: To investigate whether chang[...]
Article
Gary D. Clewley, Auteur ;
David L. Norfolk, Auteur ;
Dave I. Leech, Auteur ;
Dawn E. Balmer, Auteur
Capsule: Playback is effective at improving detectability of Little Owls.Aims: To trial a playback survey methodology for Little Owls in the UK to determine detectability and practicalities which could inform potential future national monitoring[...]
Article
Francesco Ceresa, Auteur ;
Eduardo J. Belda, Auteur ;
Jaime Gómez, Auteur ;
Ignacio J. Miñana, Auteur ;
Lydia Soler, Auteur ;
Julia Villarroya, Auteur ;
Juan S. Monrós, Auteur
Capsule: We found high diet overlap and different uses of space and time between Moustached Warblers Acrocephalus melanopogon and Reed Warblers Acrocephalus scirpaceus breeding in sympatry at a marshland in Spain.Aims: To study the degree of die[...]
Article
Juan Arizaga, Auteur ;
Steven L. Van Wilgenburg, Auteur ;
Daniel Alonso, Auteur ;
Jose A. Cortés, Auteur ;
Michel Leconte, Auteur ;
Hamid Rguibi, Auteur ;
Thijs Valkenburg, Auteur ;
Pablo Vera, Auteur ;
Keith A. Hobson, Auteur
Capsule: Stable isotope analyses reveal some degree of migratory connectivity of Bluethroat populations wintering from Iberia to West Africa. Aims: To identify the probable breeding origins of Bluethroats wintering from Iberia to Senegal. Method[...]
