| Titre : | Bird Study 54 - MAR 2007 |
| Type de document : | Bulletin |
| Paru le : | 01/03/2007 |
Dépouillements
Article
Antoni Margalida, Auteur ;
Luis Mariano Gonzalez, Auteur ;
Roberto Sanchez, Auteur ;
Javier Oria, Auteur ;
Luis Prada, Auteur
Capsule The sexes make significantly different contributions in the tasks of nest-building, incubation and food provisioning to chicks. Aims To determine the division of parental activities during breeding (nest-building, incubation, brooding, f[...]
Article
Matthieu Guillemain, Auteur ;
Michel Lepley, Auteur ;
Hervé Fritz, Auteur ;
Nathalie Hecker, Auteur
Article
Ian Henderson, Auteur ;
Chas Holt, Auteur ;
Juliet Vickery, Auteur
Capsule Barn Swallows showed a consistent association with cattle across the UK, but certain landscape features, particularly mixed field type!; and tall trees, were also important. Aim To provide nationally representative data on habitat select[...]
Article
Greg Conway, Auteur ;
Simon Wotton, Auteur ;
Ian Henderson, Auteur ;
Rowena Langston, Auteur ;
Allan Drewitt, Auteur ;
Fred Currie, Auteur
Capsule The population of Nightjars in the UK increased by over 36% between 1992 and 2004. Aims To determine the population size and distribution of Nightiars in the UK and examine associations with forestry and heathland habitat features. Metho[...]
Article
Innes M. W. Sim, Auteur ;
Ian A. Dillon, Auteur ;
Mark A. Eaton, Auteur ;
Brian Etheridge, Auteur ;
Patrick Lindley, Auteur ;
Helen Riley, Auteur ;
Richard Saunders, Auteur ;
Chris Sharpe, Auteur ;
Matthew Tickner, Auteur
Capsule The population of breeding Hen Harriers in the UK and Isle of Man increased between 1998 and 2004, although country and regional trends differed. Aims To estimate the size of the UK and Isle of Man Hen Harrier breeding population in 2004[...]
Article
Jeremy D. Wilson, Auteur ;
Jamie Boyle, Auteur ;
Digger B. Jackson, Auteur ;
Brian Lowe, Auteur ;
Nicholas I. Wilkinson, Auteur
Capsule Population decline since 1995 is associated with the harvesting of cereals as arable silage. Aim To survey Corn Bunting populations on the Western Isles and test whether population changes since 1995 are associated with change in cereal [...]
Article
D. E. Chamberlain, Auteur ;
S. Gough, Auteur ;
H. Vaughan, Auteur ;
J. A. Vickery, Auteur ;
G. F. Appleton, Auteur
Capsule Bird species richness showed consistent positive correlations with site area and rough grass. Aim To determine those features of parks and other public green spaces that are of most importance in promoting bird species richness and to us[...]
Article
Jiri Reif, Auteur ;
Petr Vorisek, Auteur ;
Karel Šťastný, Auteur ;
Vladimir Bejcek, Auteur ;
Jiri Petr, Auteur
Capsule Populations of most forest bird species increased between 1982 and 2003, probably due to increased forest cover and changes in forest age-class composition. Aims To determine population changes of forest birds in the Czech Republic and t[...]
Article
Jan Riegert, Auteur ;
Ales Dufek, Auteur ;
Drahomira Fainova, Auteur ;
Vaclav Mikes, Auteur ;
Roman Fuchs, Auteur
Capsule In years with low vole abundance birds visited hunting grounds more frequently and for longer. Aims To describe diet composition, hunting behaviour, habitat choice and reproductive success of urban Kestrels during changing vole abundance[...]
Article
Catriona J. Macleod, Auteur ;
Andreas Till, Auteur
Capsule Most species preferred to forage in grassland where seed resources were more abundant and the vegetation was uniform in height but heterogeneous in density. Aim To determine the influence of crop composition and structure, and seed food [...]
Article
Ailsa J. McKenzie, Auteur ;
Steve J. Petty, Auteur ;
Mike P. Toms, Auteur ;
Robert W. Furness, Auteur
Capsule Siskins and Coal Tits were present in gardens more often in years of poor Sitka Spruce cone crops, with synchrony across the UK. Aims To examine how the relative abundances of Siskins and Coal Tits in a garden in western Scotland varied [...]
Article
Graham E. Austin, Auteur ;
Mark M. Rehfisch, Auteur ;
John R. Allan, Auteur ;
Steve J. Holloway, Auteur
Capsule Both populations are increasing at a similar rate. Aims During 2000, an extensive survey of introduced Greater Canada Geese and re-established Greylag Geese in Great Britain was undertaken in order to update population estimates lost mad[...]
Article
Frederic Archaux, Auteur
Capsule During the past 20 years, farmland specialist birds have declined in the Alps, especially below 1000 m asl. Aims To investigate whether the altitudinal distribution of birds in the northern French Alps has changed over the last 20 years [...]
Article
Robert A. Robinson, Auteur ;
Stephen N. Freeman, Auteur ;
Dawn E. Balmer, Auteur ;
Mark J. Grantham, Auteur
Capsule Productivity in the UK Cetti's Warbler population is constant, but overwinter survival has become increasingly dependent on winter temperatures. Aims To demonstrate how constant effort (CE) ringing can be used to estimate productivity of[...]
Article
Pascual López-López, Auteur ;
Clara Garcia-Ripolles, Auteur ;
Vicente Urios, Auteur
Capsule A five-year monitoring study is described of overall population stability and differential reproductive success in relation to habitat heterogeneity. Aims To assess the effect of the altitude and orientation on laying date and breeding p[...]
Article
Stephen N. Freeman, Auteur ;
David G. Noble, Auteur ;
Stuart E. Newson, Auteur ;
Stephen R. Baillie, Auteur
Capsule A method for producing and validating long-term population indices using data from the Common Birds Census and its successor, the Breeding Bird Survey, is described. Aim To investigate a means of combining site-specific records from two [...]
Article
Katherine M. Kelleher, Auteur ;
John O'Halloran, Auteur
Capsule Habitat significantly influences nest-site choice, breeding output and daily nest failure rates in Song Thrushes. Aims To describe nesting habitat of a stable Song Thrush breeding population, investigate habitat influence on breeding, an[...]
Article
David W. Gibbons, Auteur ;
Paul F. Donald, Auteur ;
Hans-Guenther Bauer, Auteur ;
Lorenzo Fornasari, Auteur ;
Ian K. Dawson, Auteur
Capsule An increasing proportion of atlases now map patterns of abundance but they are still a minority even though they require no more input of time or fieldworkers. Aims To examine quantitatively the evolution of bird atlas methods, from thei[...]
Article
John W. Mallord, Auteur ;
Paul M. Dolman, Auteur ;
Andy Brown, Auteur ;
William J. Sutherland, Auteur
Capsule Although Woodlarks showed strong preferences for various nest-site characteristics, there were no fitness consequences of these choices. Aim To investigate nesting habitat preferences of Woodlarks, and to assess whether these confer any [...]
Article
Demographic consequences of prey availability and diet of Red-billed Choughs Pyrrhocorax pyrrhocorax
Christian Kerbiriou, Auteur ;
Romain Julliard, Auteur
Capsule Variation in prey availability appears to influence Chough fledging success and juvenile survival. Aims To determine seasonal and annual variations in Chough prey and how these influence fledging success and juvenile survival. Methods Ch[...]
Article
Mark A. Eaton, Auteur ;
Ian A. Dillon, Auteur ;
Patrick K. Stirling-Aird, Auteur ;
D. Philip Whitfield, Auteur
Capsule The third complete survey of Golden Eagles in Britain found 442 pairs. Aim To investigate the population size, distribution and breeding success of Golden Eagles in Britain, for comparison with similar surveys in 1982-83 and 1992. Method[...]
Article
Laurent Demongin, Auteur ;
Marina Dmitrenok, Auteur ;
Vincent Bretagnolle, Auteur
Capsule Great Bittern breeding phenology can be estimated from egg and chick biometrics. Aims To estimate egg or chick ages in order to back-calculate egg-laying clates. Methods Bittern nests were searched for in six French and three Belarussian[...]
Article
Hans Kallander, Auteur
Capsule In autumn, Rooks cached large quantities of acorns, which were retrieved during winter. Aims To describe the autumn storing of acorns by Rooks in a natural situation and to quantify the retrieval of acorns during winter. Methods The coll[...]
Article
Allan J. Perkins, Auteur ;
Guy Anderson, Auteur ;
Jeremy D. Wilson, Auteur
Capsule Large buntings prefer cereal grains whilst sparrows also take oily seeds. Aims To determine seed food preferences of Tree Sparrow Passer montanus and Corn Bunting Emberiza colandra. Methods Forty seed choice experiments were conducted at[...]
Article
Andrew N. Hoodless, Auteur ;
Julie A. Ewald, Auteur ;
David Baines, Auteur
Capsule Moorland breeding birds were associated with marshy grassland, acid flush and unimproved acid grassland, where their diet was dominated by earthworms and tipulid larvae. Aims To quantify breeding Snipe densities in upland habitats and to[...]
Article
Matthieu Guillemain, Auteur ;
Maud Poisbleau, Auteur ;
Leopold Denonfoux, Auteur ;
Michel Lepley, Auteur ;
Coraline Moreau, Auteur ;
Gregoire Massez, Auteur ;
Gilles Leray, Auteur ;
Alain Caizergues, Auteur ;
Céline Arzel, Auteur ;
David Rodrigues, Auteur ;
Hervé Fritz, Auteur
Capsule Nasal saddles have no negative consequences apart from, under some circumstances, a potential bias in social relationships. Aims To test the effect of nasal saddles on Teal Anas crecca, Wigeon A. penelope, Mallard A. platyrhynchos and Pi[...]
Article
Suzanne K. Lubbe, Auteur ;
Geert R. De Snoo, Auteur
Capsule Dairy farm management methods have no influence on numbers of Swallow breeding pairs. Aim To identify differences in Swallow abundance between organically and conventionally managed dairy farms, by examining three factors: farm buildings[...]
Article
Ian Johnstone, Auteur ;
Reg Thorpe, Auteur ;
Allen Moore, Auteur ;
Suki Finney, Auteur
Capsule Choughs have increased in numbers and range in recent decades, but vary regionally in their apparent trends. Aims To repeat previous censuses and evaluate trends in population size and range. Methods Evidence of breeding was measured usi[...]
Article
Mattia Brambilla, Auteur ;
Diego Rubolini, Auteur ;
Franca Guidali, Auteur
Capsule The conservation of Red-backed Shrikes on farmland habitats depends on extensive farming conditions. Aims To evaluate breeding density and habitat preferences of the declining Red-backed Shrike and relate its occurrence to an environment[...]
Article
Andre A. Dhondt, Auteur ;
Peter H. Wrege, Auteur ;
Jacqueline Cerretani, Auteur ;
Keila V. Sydenstricker, Auteur
Capsule Species richness and density increase rapidly with coppice age, and are similar to estimates from early successional habitats. Aim To investigate avian species richness, density and breeding success in short-rotation woody crops (SRWC) p[...]
Article
Mathieu Boos, Auteur ;
Thierry Zorn, Auteur ;
Gilles Delacour, Auteur ;
Jean-Patrice Robin, Auteur
Capsule Body condition in midwinter appears to be independent of climatic conditions. Aims To assess the long-term impact of climatic conditions on body stores, during the winter. Method Body reserves of male and female Mallards were determined [...]
Article
Daisuke Nakano, Auteur ;
Takumi Akasaka, Auteur ;
Ayato Kohzu, Auteur ;
Futoshi Nakamura, Auteur
Article
Mick Marquiss, Auteur
Capsule 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
Mark A. Eaton, Auteur ;
Keith B. Marshall, Auteur ;
Richard D. Gregory, Auteur
Capsule The population estimate was 1980 individuals (95% confidence limits 1284-2758). Aim To produce a new national population estimate with greater precision than the previous survey, but retaining comparability. Methods A total of 643, 2-km-[...]
Article
Rob H. Field, Auteur ;
Will B. Kirby, Auteur ;
Richard B. Bradbury, Auteur
Article
Eva Cepakova, Auteur ;
Miroslav Šálek, Auteur ;
Jaroslav Cepak, Auteur ;
Tomáš Albrecht, Auteur
Article
Julian G. Greenwood, Auteur
Article
Nicholas P. Askew, Auteur ;
Jeremy B. Searle, Auteur ;
Niall P. Moore, Auteur
Article
Marcin Polak, Auteur
Article
Richard Ottvall, Auteur ;
Gunnar Gunnarsson, Auteur
Article
Violetta Longoni, Auteur ;
Diego Rubolini, Auteur ;
Giuseppe Bogliani, Auteur
Article
Dan E. Chamberlain, Auteur ;
Andrew G. Gosler, Auteur ;
David E. Glue, Auteur
Capsule Woodland birds were significantly less likely to occur in gardens in years of high beechmast crop. Aim To test the hypothesis that woodland species that feed on beechmast will have significantly lower occurrence rates at garden feeders i[...]
Article
Luis Cadahia, Auteur ;
Vicente Urios, Auteur ;
Juan J. Negro, Auteur
Article
Rob H. Field, Auteur ;
Will B. Kirby, Auteur ;
Richard B. Bradbury, Auteur
Article
Nicholas P. Askew, Auteur ;
Jeremy B. Searle, Auteur ;
Niall P. Moore, Auteur
Article
Ian Johnstone, Auteur ;
Reg Thorpe, Auteur ;
Allen Moore, Auteur ;
Suki Finney, Auteur
Capsule Choughs have increased in numbers and range in recent decades, but vary regionally in their apparent trends. Aims To repeat previous censuses and evaluate trends in population size and range. Methods Evidence of breeding was measured usi[...]
Article
Katherine M. Kelleher, Auteur ;
John O'Halloran, Auteur
Capsule Habitat significantly influences nest-site choice, breeding output and daily nest failure rates in Song Thrushes. Aims To describe nesting habitat of a stable Song Thrush breeding population, investigate habitat influence on breeding, an[...]
Article
Mark A. Eaton, Auteur ;
Keith B. Marshall, Auteur ;
Richard D. Gregory, Auteur
Capsule The population estimate was 1980 individuals (95% confidence limits 1284-2758). Aim To produce a new national population estimate with greater precision than the previous survey, but retaining comparability. Methods A total of 643, 2-km-[...]
Article
Richard Ottvall, Auteur ;
Gunnar Gunnarsson, Auteur
Article
Mick Marquiss, Auteur
Capsule 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
Mark A. Eaton, Auteur ;
Ian A. Dillon, Auteur ;
Patrick K. Stirling-Aird, Auteur ;
D. Philip Whitfield, Auteur
Capsule The third complete survey of Golden Eagles in Britain found 442 pairs. Aim To investigate the population size, distribution and breeding success of Golden Eagles in Britain, for comparison with similar surveys in 1982-83 and 1992. Method[...]
Article
Julian G. Greenwood, Auteur
Article
Greg Conway, Auteur ;
Simon Wotton, Auteur ;
Ian Henderson, Auteur ;
Rowena Langston, Auteur ;
Allan Drewitt, Auteur ;
Fred Currie, Auteur
Capsule The population of Nightjars in the UK increased by over 36% between 1992 and 2004. Aims To determine the population size and distribution of Nightiars in the UK and examine associations with forestry and heathland habitat features. Metho[...]
Article
Eva Cepakova, Auteur ;
Miroslav Šálek, Auteur ;
Jaroslav Cepak, Auteur ;
Tomáš Albrecht, Auteur
Article
Andrew N. Hoodless, Auteur ;
Julie A. Ewald, Auteur ;
David Baines, Auteur
Capsule Moorland breeding birds were associated with marshy grassland, acid flush and unimproved acid grassland, where their diet was dominated by earthworms and tipulid larvae. Aims To quantify breeding Snipe densities in upland habitats and to[...]
Article
Ian Henderson, Auteur ;
Chas Holt, Auteur ;
Juliet Vickery, Auteur
Capsule Barn Swallows showed a consistent association with cattle across the UK, but certain landscape features, particularly mixed field type!; and tall trees, were also important. Aim To provide nationally representative data on habitat select[...]
Article
Stephen N. Freeman, Auteur ;
David G. Noble, Auteur ;
Stuart E. Newson, Auteur ;
Stephen R. Baillie, Auteur
Capsule A method for producing and validating long-term population indices using data from the Common Birds Census and its successor, the Breeding Bird Survey, is described. Aim To investigate a means of combining site-specific records from two [...]
Article
Marcin Polak, Auteur
Article
Mattia Brambilla, Auteur ;
Diego Rubolini, Auteur ;
Franca Guidali, Auteur
Capsule The conservation of Red-backed Shrikes on farmland habitats depends on extensive farming conditions. Aims To evaluate breeding density and habitat preferences of the declining Red-backed Shrike and relate its occurrence to an environment[...]
Article
Jeremy D. Wilson, Auteur ;
Jamie Boyle, Auteur ;
Digger B. Jackson, Auteur ;
Brian Lowe, Auteur ;
Nicholas I. Wilkinson, Auteur
Capsule Population decline since 1995 is associated with the harvesting of cereals as arable silage. Aim To survey Corn Bunting populations on the Western Isles and test whether population changes since 1995 are associated with change in cereal [...]
Article
Laurent Demongin, Auteur ;
Marina Dmitrenok, Auteur ;
Vincent Bretagnolle, Auteur
Capsule Great Bittern breeding phenology can be estimated from egg and chick biometrics. Aims To estimate egg or chick ages in order to back-calculate egg-laying clates. Methods Bittern nests were searched for in six French and three Belarussian[...]
Article
Violetta Longoni, Auteur ;
Diego Rubolini, Auteur ;
Giuseppe Bogliani, Auteur
Article
Mathieu Boos, Auteur ;
Thierry Zorn, Auteur ;
Gilles Delacour, Auteur ;
Jean-Patrice Robin, Auteur
Capsule Body condition in midwinter appears to be independent of climatic conditions. Aims To assess the long-term impact of climatic conditions on body stores, during the winter. Method Body reserves of male and female Mallards were determined [...]
Article
Jan Riegert, Auteur ;
Ales Dufek, Auteur ;
Drahomira Fainova, Auteur ;
Vaclav Mikes, Auteur ;
Roman Fuchs, Auteur
Capsule In years with low vole abundance birds visited hunting grounds more frequently and for longer. Aims To describe diet composition, hunting behaviour, habitat choice and reproductive success of urban Kestrels during changing vole abundance[...]
Article
Allan J. Perkins, Auteur ;
Guy Anderson, Auteur ;
Jeremy D. Wilson, Auteur
Capsule Large buntings prefer cereal grains whilst sparrows also take oily seeds. Aims To determine seed food preferences of Tree Sparrow Passer montanus and Corn Bunting Emberiza colandra. Methods Forty seed choice experiments were conducted at[...]
