| Titre : | Bird Study 62(2) - avril 3, 2015 |
| Type de document : | Bulletin |
| Paru le : | 01/04/2015 |
Dépouillements
Article
Mike P. Harris, Auteur ;
Martin Heubeck, Auteur ;
Mark A. Newell, Auteur ;
Sarah Wanless, Auteur
Capsule Long-term studies at two Scottish colonies show that the k value used to convert counts of individual Common Guillemots Uria aalge to pairs has changed substantially in the last 15 years due to decreases in survival and colony attendance[...]
Article
Alexandre Roulin, Auteur
Capsule The analysis of 635 papers about the diet of the European Barn Owl Tyto alba showed that 83 751 birds were captured out of 3.44 million prey items (2.4%). Birds were more frequently captured on islands than mainland, in southern than nor[...]
Article
Helgi Guðjónsson, Auteur ;
Jón Einar Jónsson, Auteur ;
Halldór Walter Stefánsson, Auteur ;
Aðalsteinn Örn Snæþórsson, Auteur ;
Tómas Grétar Gunnarsson, Auteur
Capsule Large-scale variation in breeding output of Greylag geese Anser anser is negligible across Iceland but detectable variation is likely related to spring temperature.Aims To identify large-scale spatial and annual variation in breeding par[...]
Article
Wouter F.D. Van Dongen, Auteur ;
Emily M. McLeod, Auteur ;
Raoul A. Mulder, Auteur ;
Michael A. Weston, Auteur ;
Patrick-Jean Guay, Auteur
Capsule Responses of animals to anthropogenic disturbances are often quantified using flight-initiation distance, the distance at which an animal flees a stimulus such as a person. We showed that the height of 20 researchers, selected to represe[...]
Article
Tara J. Conkling, Auteur ;
Jerrold L. Belant, Auteur ;
Travis L. DeVault, Auteur ;
Guiming Wang, Auteur ;
James A. Martin, Auteur
Capsule Interpretation of nest survival estimates may be improved by incorporating the search method used to locate nests as a covariate.Aims To compare annual survival estimates for Dickcissel Spiza americana nests and determine if incorporatin[...]
Article
Juan Arizaga, Auteur ;
Raphaël Musseau, Auteur ;
Maite Laso, Auteur ;
Xabier Esparza, Auteur ;
Edorta Unamuno, Auteur ;
Ainara Azkona, Auteur ;
Philippe Fontanilles, Auteur
Capsule The effects of playback use on number of captures, recaptures, fuel load, and age and sex ratios, and so potential bias in stopover studies in migrant Bluethroats was investigated. Playback promoted biases in the number of captures (alth[...]
Article
Akiko Shoji, Auteur ;
Kyle H. Elliott, Auteur ;
Julian G. Greenwood, Auteur ;
Luke McClean, Auteur ;
Kerry Leonard, Auteur ;
Chris M. Perrins, Auteur ;
Annette Fayet, Auteur ;
Tim Guilford, Auteur
Capsule Dive behaviour in Black Guillemots Cepphus grylle was close to that predicted for a benthic forager by allometry based on body mass.Aims To report the diving behaviour of Black Guillemots in Northern Ireland.Methods A time-depth-recorder[...]
Article
Michael P. Harris, Auteur ;
Sarah Wanless, Auteur ;
Manuel Ballesteros, Auteur ;
Børge Moe, Auteur ;
Francis Daunt, Auteur ;
Kjell Einar Erikstad, Auteur
Capsule Data from geolocators deployed on adult Common Guillemots from a colony in southeast Scotland indicated that they normally winter in the North Sea up to 1000 km southeast of the colony. However, one bird unexpectedly moved 3000 km northe[...]
Article
Philip Warren, Auteur ;
Frances Atterton, Auteur ;
David Baines, Auteur ;
Manon Viel, Auteur ;
Zoe Deal, Auteur ;
Michael Richardson, Auteur ;
David Newborn, Auteur
Capsule A survey in 2014 of male Black Grouse in England showed a continuation of declines in North Northumberland and increases in the North Pennines and Yorkshire Dales.Aims To survey the abundance and range of Black Grouse males in northern E[...]
Article
Ashley Bennison, Auteur ;
Mark Jessopp, Auteur
Capsule A number of tracking studies have shown an area of the North Atlantic, south of the Charlie-Gibbs Fracture Zone, to be an important overwintering location for seabirds. We conducted seabird observations along a trans-Atlantic transect fr[...]
Article
Catriona A. Morrison, Auteur ;
Robert A. Robinson, Auteur ;
Jacquie A. Clark, Auteur ;
Dave I. Leech, Auteur ;
Jennifer A. Gill, Auteur
Capsule Breeding Willow Warblers, Phylloscopus trochilus, in the UK have advanced in timing of breeding but with little impact on overall productivity.Aims To quantify the impact of shifts in timing of breeding on changes in Willow Warbler produ[...]
Article
Alfréd Trnka, Auteur
Capsule The Little Bittern is highly suitable as Common Moorhen host in terms of accepting and incubating parasitic eggs, however, the survival of Common Moorhen chicks remains disputable.
Article
Nectar and pollen of the invasive century plant Agave americana as a food resource for endemic birds
Beneharo Rodriguez, Auteur ;
Felipe Siverio, Auteur ;
Manuel Siverio, Auteur ;
Rubén Barone, Auteur ;
Airam Rodriguez, Auteur
Capsule Flowers of an invasive plant species are more visited by native birds than flowers of ornithophilous endemic plants.Aims To describe the bird guild and its behaviour visiting the century plant Agave americana in an insular environment an[...]
Article
Dariusz Wysocki, Auteur ;
Łukasz Jankowiak, Auteur ;
José L. Greño, Auteur ;
Anna Cichocka, Auteur ;
Izabela Sondej, Auteur ;
Bożena Michalska, Auteur
Capsule We examined intraspecific variation in the nest size of open cup nesting Blackbirds Turdus merula and found that of seven variables considered, nest size variation was determined by the length of the nest construction period, nest height[...]
Article
Jan Jedlikowski, Auteur ;
Marcin Brzeziński, Auteur ;
Piotr Chibowski, Auteur
Capsule Nest survival of Water Rail and Little Crake nesting at small, midfield ponds was determined by vegetation density and proximity to the shore, respectively.Aims To determine which habitat variables affect nest predation for two rallid sp[...]
Article
Stuart Rae, Auteur
Capsule Rock Ptarmigan place their nests adjacent to boulders, in their lee and on their sunnier aspects.Aims To investigate the proximity and orientation of Rock Ptarmigan nests in relation to boulders and vegetation height.Methods The distance[...]
Article
J.C. Coulson, Auteur ;
B.a. Coulson, Auteur
Capsule The vantage point survey methods used in the 1999–2002 surveys of urban nesting large gulls in Britain and Ireland appreciably underestimated numbers, resulting in lower national totals and exaggerated national population changes, becaus[...]
Article
Michał Budka, Auteur ;
Patryk Kokociński, Auteur
Capsule A comparison of various methods of counting a Corncrake population revealed that the accuracy of the methods depends on population density, which could have important ramifications for a monitoring scheme.Aims We examined the accuracy of[...]
Article
Wen-Loung Lin, Auteur ;
Si-Min Lin, Auteur ;
Jhan-Wei Lin, Auteur ;
Ying Wang, Auteur ;
Hui-Yun Tseng, Auteur
Capsule A Crested Goshawk population recently colonizing an urban area of Taiwan is characterized by earlier egg-laying dates, a higher ratio of mixed-age pairs and higher nesting success.Aims To compare breeding time, productivity and pairing p[...]
Article
Emiliano Mori, Auteur ;
Sandro Bertolino, Auteur
Capsule Although considered as a specialist predator of Microtus voles, the Long-eared Owl Asio otus may adapt its diet according to the local prey availability. We reviewed the diet of this nocturnal raptor in urban environments during the wint[...]
Article
Wouter F. D. van Dongen, Auteur ;
Emily M. McLeod, Auteur ;
Raoul A. Mulder, Auteur ;
Michael A. Weston, Auteur ;
Patrick-Jean Guay, Auteur
Capsule Responses of animals to anthropogenic disturbances are often quantified using flight-initiation distance, the distance at which an animal flees a stimulus such as a person. We showed that the height of
Article
Ashley Bennison, Auteur ;
Mark Jessopp, Auteur
Capsule A number of tracking studies have shown an area of the North Atlantic, south of the Charlie-Gibbs Fracture Zone, to be an important overwintering location for seabirds. We conducted seabird observations along a trans-Atlantic transect fr[...]
Article
Mike P. Harris, Auteur ;
Martin Heubeck, Auteur ;
Mark A. Newell, Auteur ;
Sarah Wanless, Auteur
Capsule Long-term studies at two Scottish colonies show that the k value used to convert counts of individual Common Guillemots Uria aalge to pairs has changed substantially in the last 15 years due to decreases in survival and colony attendance[...]
Article
Juan Arizaga, Auteur ;
Raphaël Musseau, Auteur ;
Maite Laso, Auteur ;
Xabier Esparza, Auteur ;
Edorta Unamuno, Auteur ;
Ainara Azkona, Auteur ;
Philippe Fontanilles, Auteur
Capsule The effects of playback use on number of captures, recaptures, fuel load, and age and sex ratios, and so potential bias in stopover studies in migrant Bluethroats was investigated. Playback promoted biases in the number of captures (alth[...]
Article
Helgi Gudjonsson, Auteur ;
Jón Einar Jónsson, Auteur ;
Halldór Walter Stefánsson, Auteur ;
Adalsteinn Orn Snaethorsson, Auteur ;
Tómas Grétar Gunnarsson, Auteur
Capsule Large-scale variation in breeding output of Greylag geese Anser anser is negligible across Iceland but detectable variation is likely related to spring temperature. Aims To identify large-scale spatial and annual variation in breeding pa[...]
Article
Alexandre Roulin, Auteur
Capsule The analysis of 635 papers about the diet of the European Barn Owl Tyto alba showed that 83 751 birds were captured out of 3.44 million prey items (2.4%). Birds were more frequently captured on islands than mainland, in southern than nor[...]
