| Titre : | Bird Study 55 - MAR 2008 |
| Type de document : | Bulletin |
| Paru le : | 01/03/2008 |
Dépouillements
Article
Philip Warren, Auteur ;
David Baines, Auteur
Capsule Surveys of Black Grouse in northern England in 1998, 2002 and 2006 show population recovery in the form of increases in both numbers and range. Aims To quantify the population size and range of Black Grouse in northern England. Methods M[...]
Article
Cezary Mitrus, Auteur ;
Beata Socko, Auteur
Capsule Predation is a major factor influencing the breeding success of Red-breasted Flycatchers under natural conditions. Aims To examine the breeding success of Red-breasted Flycatchers in relation to nest-site characteristics and time of bree[...]
Article
Trevor Jones, Auteur ;
Claire Smith, Auteur ;
Elizabeth Williams, Auteur ;
Andrew Ramsay, Auteur
Capsule The Arctic Skua colony on Handa Island is in decline, probably due to pressure from Great Skuas. Aims To assess the factors affecting Great Skua productivity, and the effects of Great Skuas on breeding Arctic Skuas. Methods From 2003 to [...]
Article
Jean-Paul Cormier, Auteur ;
Joelle Fustec, Auteur ;
Josephine Pithon, Auteur ;
Patrice Choisy, Auteur
Capsule Montagu's Harriers avoided tree plantations and selected plots with dense heath of intermediate height, while sympatric Hen Harriers preferred afforested or taller plots of heath. Aims To investigate relationships between vegetation stru[...]
Article
Pedro M. Lourenço, Auteur ;
Theunis Piersma, Auteur
Capsule Conservation management of rice fields may be necessary to guarantee the availability of high quality stopover habitats. Aims To analyse habitat selection and quantify the diet composition of birds. Methods Using water level and agricult[...]
Article
Fiona Sharpe, Auteur ;
Jacquie Clark, Auteur ;
Dave Leech, Auteur
Capsule Variations in regional nest survival rates, natal philopatry, first-year and adult survival cannot explain regional Northern Lapwing population declines. Aims To assess whether regional nest survival rates, natal dispersal, and first-yea[...]
Article
Julio M. Neto, Auteur ;
Vitor Encarnacao, Auteur ;
Peter Fearon, Auteur ;
Andrew G. Gosler, Auteur
Capsule The autumn migration strategy of Portuguese Savi's Warblers differs between age classes in timing, fuel deposition rate and flight range. Aims To describe the autumn migration strategy of Savi's Warblers, and compare the age classes. Met[...]
Article
Valentijn Van Den Brink, Auteur ;
Julia Schroeder, Auteur ;
Christiaan Both, Auteur ;
Pedro M. Lourenço, Auteur ;
Jos C. E. W. Hooijmeijer, Auteur ;
Theunis Piersma, Auteur
Capsule Black-tailed Godwits first return to the nest location of the previous year, even when moving to a different nest location later that season. Aims To examine the use of space by Black-tailed Godwits during the two months before egg-layin[...]
Article
Yvonne I. Verkuil, Auteur ;
Joop Jukema, Auteur ;
Jennifer A. Gills, Auteur ;
Natalia Karlionova, Auteur ;
Johannes Melter, Auteur ;
Jos C. E. W. Hooijmeijer, Auteur ;
Theunis Piersma, Auteur
Capsule F ae ders (males that are female look-alikes) associate with males rather than females, at several different spatial scales. Aims To test the prediction that the occurrence in space and time of f ae ders on ecological grounds should trac[...]
Article
Olivia Crowe, Auteur ;
Graham E. Austin, Auteur ;
Kendrew Colhoun, Auteur ;
Peter A. Cranswick, Auteur ;
Melanie Kershaw, Auteur ;
Andy J. Musgrove, Auteur
Capsule There has been a decline in the numbers of waterbirds wintering in Ireland between 1994/95 and 2003/04, including a 5% decline in wildfowl and an 11% decline in waders. Aims To provide estimates of numbers and trends in relative abundanc[...]
Article
Danae K. Stevens, Auteur ;
Guy Q. A. Anderson, Auteur ;
Philip V. Grice, Auteur ;
Ken Norris, Auteur ;
Nigel Butcher, Auteur
Capsule Avian predators are principally responsible. Aims To document the fate of Spotted Flycatcher nests and to identify the species responsible for nest predation. Methods During 2005-06, purpose-built, remote, digital nest-cameras were deplo[...]
Article
Zbigniew Kasprzykowski, Auteur
Capsule The position of a nest in the tree influences some parameters of reproduction. Aim To determine breeding parameters in relation to the spatial distribution of nests in trees. Methods In 2000-02 a total of 177 Rook nests were studied in s[...]
Article
Fintan Bracken, Auteur ;
Barry J. McMahon, Auteur ;
John Whelan, Auteur
Capsule Peatlands are very important habitats for birds despite low species diversity. Aims To describe the variation in breeding bird populations that occur on different types of Irish peatlands and their associated habitat characteristics. Met[...]
Article
Allan J. Perkins, Auteur ;
Hywel E. Maggs, Auteur ;
Jeremy D. Wilson, Auteur ;
Adam Watson, Auteur ;
Chris Smout, Auteur
Capsule Breeding populations were less likely to decline when farmland was subject to management intervention designed to benefit the species. Aims To determine whether targeted management intervention helps to halt or reverse the decline of Cor[...]
Article
Mei-Ling Bai, Auteur ;
Michael Muehlenberg, Auteur
Capsule Wood Nuthatch Sitto europoea and Coal Tit Periparus ater had a high tendency to reuse nest-sites, and holes in living trees were more frequently reused than holes in dead trees. Aims Patterns of sequential nest-hole use are important in [...]
Article
Simon Gillings, Auteur ;
Andrew M. Wilson, Auteur ;
Greg J. Conway, Auteur ;
Juliet A. Vickery, Auteur ;
Robert J. Fuller, Auteur
Capsule Farmland bird species occurred at low densities and were highly aggregated in a small proportion of available pastures, stubble fields and farmyards. Aim To document the current distribution and abundance of farmland birds and their habi[...]
Article
Javier A. Alonso, Auteur ;
Juan C. Alonso, Auteur ;
Guenter Nowald, Auteur
Capsule German breeding birds wintered mainly in southwest Spain and some in France. Aims To describe migration routes and phenology, and the interannual fidelity to staging and wintering sites. Methods A total of 93 cranes were colour-banded, a[...]
Article
Anton Antonov, Auteur ;
Bard G. Stokke, Auteur ;
Arne Moksnes, Auteur ;
Eivin Roskaft, Auteur
Capsule Birds select Cotton Thistles as a nesting substrate but these plants provide an unstable support.
Article
Anne E. Goodenough, Auteur ;
David P. Maitland, Auteur ;
Adam G. Hart, Auteur ;
Simon L. Elliot, Auteur
Capsule Nestbox orientation has species-specific influences on nestbox occupation and breeding success for woodland passerines. Aims To determine if nestbox orientation had an influence upon nestbox selection or breeding success for three co-occ[...]
Article
D. Charles Deeming, Auteur ;
Christopher R. Du Feu, Auteur
An infrared ear thermometer can be easily used to measure brood patch temperature in passerines caught on the nest or in mist-nets.
Article
Fiona M. Leckie, Auteur ;
Beatriz E. Arroyo, Auteur ;
Simon J. Thirgood, Auteur ;
Stephen M. Redpath, Auteur
Capsule Females varied their provisioning patterns according to brood age and brood size, whereas males did not. Aims To quantify how parents balance the needs of their offspring for food and protection. Methods We studied 13 nests from hides an[...]
Article
David M. B. Parish, Auteur ;
Nicolas W. Sotherton, Auteur
Capsule Game cover crops in a pastoral region of southwest Scotland supported passerines at more than twice the density found in similar crops in an arable region. Aims To investigate the use of seed-rich habitats (game cover crops) by farmland [...]
Article
Susan H. O'Brien, Auteur ;
Linda J. Wilson, Auteur ;
Andy Webb, Auteur ;
Peter A. Cranswick, Auteur
Capsule An estimated 17 000 Red-throated Divers winter around Great Britain. Aim To produce an up-to-date assessment of the numbers of Red-throated Divers wintering around Great Britain. Methods A revised Great Britain (GB) wintering population [...]
Article
John W. Mallord, Auteur ;
Paul M. Dolman, Auteur ;
Andy Brown, Auteur ;
William J. Sutherland, Auteur
Capsule Birds that started nesting early and made more nesting attempts did not produce more fledglings or recruits. Aims To investigate seasonal trends in reproductive performance of a multi-brooded ground-nesting passerine, and whether re-nest[...]
Article
John C. Coulson, Auteur ;
Becky A. Coulson, Auteur
Capsule Earthworms can be an important food of birds breeding inland and on the coast. Aims To identify food and feeding sites of Lesser Black-backed Gulls Larus fuscus breeding on buildings in Dumfries, Scotland. Methods Direct observations wer[...]
Article
David J. T. Douglas, Auteur ;
Darren M. Evans, Auteur ;
Stephen M. Redpath, Auteur
Capsule Foraging sites with low vegetation height and density, but with high arthropod biomass, are selected. Aims To test the hypothesis that on intensively grazed moorland, breeding Meadow Pipits forage for nestling food where arthropod prey a[...]
Article
Carl Mitchell, Auteur ;
Anthony D. Fox, Auteur ;
John Harradine, Auteur ;
I. B. Clausager, Auteur
Capsule Inferences are drawn on the basis of first-winter young:adult ratios. Aim To obtain the most error- and bias-free index of annual reproductive success for the species based on existing data. Methods We compared age and sex ratios amongst[...]
Article
Rob H. Field, Auteur ;
Guy Q. A. Anderson, Auteur ;
Derek J. Gruar, Auteur
Capsule Chick diet varies seasonally and between wet and dry habitats, and there is little evidence for a link between habitat type and productivity. Aim To examine the influence of habitat composition and diversity on Tree Sparrow productivity [...]
Article
Dave Parrott, Auteur ;
Iain Henderson, Auteur ;
Carola Deppe, Auteur ;
Phil Whitfield, Auteur
Capsule Daily food intake gave the best indication, with 7-23% of the pigeon population estimated to have been taken. Aims To assess the numbers of Scottish racing pigeons taken by Peregrines, based on the recovery of racing pigeon rings from Pe[...]
Article
Henning Heldbjerg, Auteur ;
Tony Fox, Auteur
Capsule Long-distance migrant birds show less favourable trends than sedentary/short-distance species. Aims To use breeding bird surveys to contrast population trends amongst common species according to their migration pattern. Methods Changes i[...]
Article
Richard B. Bradbury, Auteur ;
Chris M. Bailey, Auteur ;
David Wright, Auteur ;
Andy D. Evans, Auteur
Capsule Birds selected stubbles preceded by crops with reduced pesticide inputs over those grown conventionally. Aims To compare use by wintering birds of stubbles created from cereals grown under a low-input pesticide regime with use of stubble[...]
Article
Nico Varo, Auteur
Capsule Red-knobbed Coots Fulica cristata and Common Coots Fulica atra have similar breeding biology except in chick survival, which was significantly lower in Red-knobbed Coots. Aims To provide information on the breeding biology of Red-knobbed[...]
Article
Innes M. W. Sim, Auteur ;
Mark A. Eaton, Auteur ;
Rosemary P. Setchfield, Auteur ;
Philip K. Warren, Auteur ;
Patrick Lindley, Auteur
Capsule There was a non-significant decline in the number of displaying males in Britain between 1995-96 and 2005, with a significant decline in Scotland. Aims To estimate the number of displaying male Black Grouse in Britain in 2005, and to com[...]
Article
Anton Antonov, Auteur ;
Bard G. Stokke, Auteur ;
Arne Moksnes, Auteur ;
Eivin Roskaft, Auteur
Capsule Birds select Cotton Thistles as a nesting substrate but these plants provide an unstable support.
Article
Danae K. Stevens, Auteur ;
Guy Q. A. Anderson, Auteur ;
Philip V. Grice, Auteur ;
Ken Norris, Auteur ;
Nigel Butcher, Auteur
Capsule Avian predators are principally responsible. Aims To document the fate of Spotted Flycatcher nests and to identify the species responsible for nest predation. Methods During 2005-06, purpose-built, remote, digital nest-cameras were deplo[...]
Article
Anne E. Goodenough, Auteur ;
David P. Maitland, Auteur ;
Adam G. Hart, Auteur ;
Simon L. Elliot, Auteur
Capsule Nestbox orientation has species-specific influences on nestbox occupation and breeding success for woodland passerines. Aims To determine if nestbox orientation had an influence upon nestbox selection or breeding success for three co-occ[...]
Article
Fintan Bracken, Auteur ;
Barry J. McMahon, Auteur ;
John Whelan, Auteur
Capsule Peatlands are very important habitats for birds despite low species diversity. Aims To describe the variation in breeding bird populations that occur on different types of Irish peatlands and their associated habitat characteristics. Met[...]
Article
Cezary Mitrus, Auteur ;
Beata Socko, Auteur
Capsule Predation is a major factor influencing the breeding success of Red-breasted Flycatchers under natural conditions. Aims To examine the breeding success of Red-breasted Flycatchers in relation to nest-site characteristics and time of bree[...]
Article
Susan H. O'Brien, Auteur ;
Linda J. Wilson, Auteur ;
Andy Webb, Auteur ;
Peter A. Cranswick, Auteur
Capsule An estimated 17 000 Red-throated Divers winter around Great Britain. Aim To produce an up-to-date assessment of the numbers of Red-throated Divers wintering around Great Britain. Methods A revised Great Britain (GB) wintering population [...]
Article
John C. Coulson, Auteur ;
Becky A. Coulson, Auteur
Capsule Earthworms can be an important food of birds breeding inland and on the coast. Aims To identify food and feeding sites of Lesser Black-backed Gulls Larus fuscus breeding on buildings in Dumfries, Scotland. Methods Direct observations wer[...]
Article
Pedro M. Lourenço, Auteur ;
Theunis Piersma, Auteur
Capsule Conservation management of rice fields may be necessary to guarantee the availability of high quality stopover habitats. Aims To analyse habitat selection and quantify the diet composition of birds. Methods Using water level and agricult[...]
Article
Rob H. Field, Auteur ;
Guy Q. A. Anderson, Auteur ;
Derek J. Gruar, Auteur
Capsule Chick diet varies seasonally and between wet and dry habitats, and there is little evidence for a link between habitat type and productivity. Aim To examine the influence of habitat composition and diversity on Tree Sparrow productivity [...]
Article
David J. T. Douglas, Auteur ;
Darren M. Evans, Auteur ;
Stephen M. Redpath, Auteur
Capsule Foraging sites with low vegetation height and density, but with high arthropod biomass, are selected. Aims To test the hypothesis that on intensively grazed moorland, breeding Meadow Pipits forage for nestling food where arthropod prey a[...]
Article
David J. T. Douglas, Auteur ;
Darren M. Evans, Auteur ;
Stephen M. Redpath, Auteur
Capsule Foraging sites with low vegetation height and density, but with high arthropod biomass, are selected. Aims To test the hypothesis that on intensively grazed moorland, breeding Meadow Pipits forage for nestling food where arthropod prey a[...]
Article
Juan Arizaga, Auteur ;
Emilio Barba, Auteur ;
Eduardo J. Belda, Auteur
Capsule Fuel load is correlated with fuel deposition rate; stopover duration is affected by arrival fuel load. Aims To determine the stopover duration, fuel management and flight ranges at departure of Blackcaps stopping over in northern Spain. [...]
Article
Trevor Jones, Auteur ;
Claire Smith, Auteur ;
Elizabeth Williams, Auteur ;
Andrew Ramsay, Auteur
Capsule The Arctic Skua colony on Handa Island is in decline, probably due to pressure from Great Skuas. Aims To assess the factors affecting Great Skua productivity, and the effects of Great Skuas on breeding Arctic Skuas. Methods From 2003 to [...]
Article
Henning Heldbjerg, Auteur ;
Tony Fox, Auteur
Capsule Long-distance migrant birds show less favourable trends than sedentary/short-distance species. Aims To use breeding bird surveys to contrast population trends amongst common species according to their migration pattern. Methods Changes i[...]
