| Titre : | Bird Study 63(3) - juillet 2, 2016 |
| Type de document : | Bulletin |
| Paru le : | 01/07/2016 |
Dépouillements
Article
Adam Kane, Auteur ;
Kerri Wolter, Auteur ;
Walter Neser, Auteur ;
Antoinette Kotze, Auteur ;
Vinny Naidoo, Auteur ;
Ara Monadjem, Auteur
Capsule: Supplementary feeding stations provide a useful conservation benefit for vultures, without disrupting their natural movement ecology.Aims: To understand the effects of providing supplementary food on the movement ecology of vultures.Met[...]
Article
Michael P. Harris, Auteur ;
Steve D. Albon, Auteur ;
Sarah Wanless, Auteur
Capsule: Common Guillemots Uria aalge show delayed breeding and marked age-related changes in reproductive success consistent with improved performance with experience.Aims: To determine age of first breeding and age-related effects on breeding [...]
Article
Giulia Masoero, Auteur ;
Luca Maurino, Auteur ;
Antonio Rolando, Auteur ;
Dan Chamberlain, Auteur
Capsule: Predation rates of artificial nests along elevational gradients were higher closer to the treeline in the European Alps.Aims: Alpine grassland birds tend to show an avoidance of mature trees, possibly due to an edge effect, such as high[...]
Article
Gail S. Robertson, Auteur ;
Mark Bolton, Auteur ;
Pat Monaghan, Auteur
Capsule: Morphologically similar sympatrically breeding species differ in diet and foraging strategies, which could explain interspecific variation in breeding success and reproductive output.Aims: To compare provisioning rate and diet of nestli[...]
Article
Petra Sumasgutner, Auteur ;
Gareth J. Tate, Auteur ;
Ann Koeslag, Auteur ;
Arjun Amar, Auteur
Capsule: Urban Black Sparrowhawk males hunt mostly within 2.27 km of their nest during the breeding season (‘home range’ of 16.15 km2) and increased the distance slightly to 2.43 km outside of the breeding season (18.56 km2). We found high indiv[...]
Article
Thordur Orn Kristjansson, Auteur ;
Jón Einar Jónsson, Auteur ;
Jörundur Svavarsson, Auteur
Capsule: The occurrence of high numbers of ectoparasites in nests of Common Eiders may be related to nest densities and nesting behaviour.Aims: To estimate abundances of ectoparasites and occurrence of blood-covered eggs, and relate those to nes[...]
Article
Melina Barrionuevo, Auteur ;
Esteban Frere, Auteur
Capsule: Most bird species start full incubation before the clutch is complete, others long after laying the last egg, gradually increasing the incubation temperature as incubation progresses, as is the case in Magellanic Penguins Spheniscus mag[...]
Article
Gianluca Roncalli, Auteur ;
Juan Diego Ibáñez-Álamo, Auteur ;
Manuel Soler, Auteur
Capsule: The Western Bonelli’s Warbler Phylloscopus bonelli has a nest success of only 25% in the core of its range in western Europe.Aims: To investigate the breeding biology of Western Bonelli’s Warbler P. bonelli, focusing on possible altitud[...]
Article
A. Kreiderits, Auteur ;
A. Gamauf, Auteur ;
H. W. Krenn, Auteur ;
P. Sumasgutner, Auteur
Capsule: Local weather conditions, but not a city-associated diet composition, influence the breeding performance of urban Eurasian Kestrels Falco tinnunculus.Aims: We aim to explore the impact of diet composition, specifically a high proportion[...]
Article
Heriberto López, Auteur ;
Antonio J. Pérez, Auteur ;
Beatriz Rumeu, Auteur ;
Manuel Nogales, Auteur
Capsule: The diet of Yellow-legged Gulls Larus michahellis on an oceanic island, surrounded by deep waters without a wide shelf, was mainly composed of terrestrial invertebrates.Aims: To study the trophic ecology of Yellow-legged Gulls on an isl[...]
Article
Veli-Matti Pakanen, Auteur ;
Ole Thorup, Auteur
Capsule: Apparent adult survival of the critically endangered Baltic Dunlin Calidris alpina schinzii, showed evidence of a decline between 1990 and 2006 from 0.817 to 0.650.Aims: In Europe, declines in wet-grassland breeding waders have been att[...]
Article
Todd E. Katzner, Auteur ;
Evgeny A. Bragin, Auteur ;
Alexander E. Bragin, Auteur ;
Michael McGrady, Auteur ;
Tricia A. Miller, Auteur ;
Keith L. Bildstein, Auteur
Capsule: Red-footed Falcons Falco vespertinus migrating from northern Kazakhstan proceed west before heading south to Africa; their northbound travel follows a different route with passage close to shooting hotspots in the Mediterranean.Aim: To [...]
Article
Richard M. Francksen, Auteur ;
Mark J. Whittingham, Auteur ;
David Baines, Auteur
Capsule: Methods of assessing raptor diet carry significant inherent biases which can vary over time.Aims: To compare methods of assessing Common Buzzard Buteo buteo diet composition and assess how any differences vary between years.Methods: Die[...]
Article
Javier Bueno-Enciso, Auteur ;
Esperanza S. Ferrer, Auteur ;
Rafael Barrientos, Auteur ;
Juan José Sanz, Auteur
Capsule: The structure of Great Tit Parus major songs is shaped by the acoustic properties of the habitat within the breeding territory of individuals.Aim: To test whether the structure of the habitat influences song structure within a populatio[...]
Article
Victoria Warwick-Evans, Auteur ;
Jonathan A. Green, Auteur ;
Phillip W. Atkinson, Auteur
Capsule: There has been a linear increase in the survival rates for both adult and juvenile Northern Gannets Morus bassanus breeding on Alderney in the English Channel. However, given large confidence intervals, improved monitoring is required t[...]
Article
Hervé Lormee, Auteur ;
Jean-Marie Boutin, Auteur ;
David Pinaud, Auteur ;
Herve Bidault, Auteur ;
Cyril Eraud, Auteur
Satellite telemetry of two European Turtle Doves Streptopelia turtur confirmed the broad patterns suggested by earlier work using geologgers but also revealed that they migrated by night and used four distinct stopover and two wintering sites. W[...]
