| Titre : | Journal of Ornithology 153(3) - JUL 2012 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Martti Hario, Auteur ;
Marja-Liisa Koljonen, Auteur ;
Jukka Rintala, Auteur
We investigated the presence of kin-biased cooperative breeding in the Common Eider (Somateria m. mollissima), a colonial seaduck commonly presumed to have a high rate of natal philopatry. Based on a 23-year-long time series of individually mark[...]
Article
Nicolas Suarez, Auteur ;
Maria Valeria Retana, Auteur ;
Pablo Yorio, Auteur
Olrog's Gull Larus atlanticus is a threatened species which feeds during the breeding season almost exclusively on crabs. We studied the use of foraging areas and its relationship with prey resources in Olrog's Gulls breeding at Bahia San Blas, [...]
Article
Richard K. Broughton, Auteur ;
Ross A. Hill, Auteur ;
Lindsay J. Henderson, Auteur ;
Paul E. Bellamy, Auteur ;
Shelley A. Hinsley, Auteur
The factors influencing nest placement by territorial birds are not fully understood, including the roles played by habitat, conspecific attraction and female experience of a previous nesting location. We used 7 years of Marsh Tit (Poecile palus[...]
Article
Piotr Skorka, Auteur ;
Joanna D. Wojcik, Auteur ;
Rafal Martyka, Auteur ;
Magdalena Lenda, Auteur
We monitored population size from 1996 to 2003 and studied behavioural interactions (in 2001) between the native Black-headed Gull Chroicocephalus ridibundus and an expansive, opportunistic predator, the Caspian Gull Larus cachinnans, at water r[...]
Article
Stylianos Michail Simaiakis, Auteur ;
Michail Dretakis, Auteur ;
Christos Barboutis, Auteur ;
Thanos Katritis, Auteur ;
Danae Portolou, Auteur ;
Stavros Xirouchakis, Auteur
We investigated the biogeography of 102 breeding land bird species reported on 77 islands in the Aegean archipelago. For the first time, we prepared a complete as possible dataset concerning the land birds of the Aegean islands. The overall insu[...]
Article
Lisa S. Hayward, Auteur ;
Erica E. M. Moodie, Auteur ;
John C. Wingfield, Auteur
The levels of maternal androgens in egg yolk vary considerably within and among clutches. In most species studied to date, high levels have been found to increase offspring competitive ability. We measured yolk testosterone in two populations of[...]
Article
Pere Pons, Auteur ;
Miguel Clavero, Auteur ;
Josep M. Bas, Auteur ;
Roger Prodon, Auteur
Wildfires are the most extensive and severe disturbance affecting the shrublands where Sardinian and Dartford Warblers (Sylvia melanocephala and S. undata) abound. Estimating the long-term use of burned habitats by these species (i.e. their time[...]
Article
Priit Kilgas, Auteur ;
Pauli Saag, Auteur ;
Marko Maegi, Auteur ;
Vallo Tilgar, Auteur ;
Raivo Maend, Auteur
Plumage bacteria may play an important role in shaping the life histories of birds. However, few studies have examined natural patterns of variation in plumage bacteria. We have previously shown that plumage bacterial load is higher during the p[...]
Article
Annette Sauter, Auteur ;
Pius Korner, Auteur ;
Wolfgang Fiedler, Auteur ;
Lukas Jenni, Auteur
Common and widespread species often show a large variability in behaviour and habitat use. Such variability at the species level may result from individuals themselves being very variable or, alternatively, variability may arise from differences[...]
Article
Rasmus Revermann, Auteur ;
Hans Schmid, Auteur ;
Niklaus Zbinden, Auteur ;
Reto Spaar, Auteur ;
Boris Schroeder, Auteur
Ongoing monitoring in the Swiss Alps has shown that Rock Ptarmigan (Lagopus muta helvetica) has suffered a significant population decrease over the last decade and climate change has been proposed as a potential cause. In this study, we investig[...]
Article
Juan Diego Ibanez-Alamo, Auteur ;
Laura Arco, Auteur ;
Manuel Soler, Auteur
The existence of begging costs has recently been the focus of evolutionary studies on parent-offspring conflict. Indirect findings seem to support the existence of a nest predation cost of begging. However, empirical direct evidence of nestling [...]
Article
John Calladine, Auteur ;
Chris du Feu, Auteur ;
Richard du Feu, Auteur
Analysis of ring recovery data for Short-eared Owls Asio flammeus spanning 96 years, 1912-2007, identified spatial and temporal differences in migration patterns. Birds with breeding areas or natal origins in the Boreal (principally Fenno-Scandi[...]
Article
Micaela Poetsch, Auteur ;
Eva Baehnisch, Auteur ;
Fritz Ludescher, Auteur ;
Philip Dammann, Auteur
Even though a considerable number of genetic markers are available for paternity analysis in birds, significant difficulties can arise in the assessment and interpretation of data. Paternity analyses using genetic markers are based on comparing [...]
Article
Katarzyna Wojczulanis-Jakubas, Auteur ;
Dariusz Jakubas, Auteur ;
Dorota Kidawa, Auteur ;
Anna Kośmicka, Auteur
In a number of species with biparental care, the parents of one sex desert the mate and brood before the chick is independent. The reasons for this desertion are poorly understood. In the study reported here we investigated whether sex-specific [...]
Article
Rikke Anker Jensen, Auteur ;
Peter Sunde, Auteur ;
Gosta Nachman, Auteur
Wildlife management strategies can be improved by accurate predictions of species distributions and sound estimates of population sizes. Species distribution models that relate occurrence or abundance of a species to environmental predictors can[...]
Article
Christina Kassara, Auteur ;
Jakob Fric, Auteur ;
Marion Gschweng, Auteur ;
Spyros Sfenthourakis, Auteur
Eleonora's Falcon (Falco eleonorae) is an endemic breeder of the Mediterranean Sea and the Canary Islands that overwinters in Madagascar and surrounding areas. Recent telemetry studies have revealed the migratory journey of falcons from the west[...]
Article
Fraenzi Korner-Nievergelt, Auteur ;
Felix Liechti, Auteur ;
Steffen Hahn, Auteur
The large databases on ring reencounters, e.g. Euring database, contain extant information on the spatial distribution and potentially, on migratory connectivity of birds. However, reencounter data are normally sparse due to low reencounter prob[...]
Article
Christina Kassara, Auteur ;
Anastasios Dimalexis, Auteur ;
Jakob Fric, Auteur ;
Georgios Karris, Auteur ;
Christos Barboutis, Auteur ;
Spyros Sfenthourakis, Auteur
Eleonora's Falcon breeds colonially on small islands of the Mediterranean Sea and Macaronesia. Despite the wealth of papers highlighting the importance of nesting characteristics on this species' breeding performance, few have addressed the issu[...]
Article
Nestmate killing by obligate brood parasitic chicks: is this linked to obligate siblicidal behavior?
Ning Wang, Auteur ;
Rebecca T. Kimball, Auteur
The remarkable phenomenon of nestmate killing behavior among some birds that are obligate brood parasites (OBP) has fascinated scientific researchers for hundreds of years. This "nestmate-cide" behavior has been found in two clades of OBP birds [...]
Article
Among the spectacular dinosaur fossils reported from the Jehol Group of northeastern China is the most celebrated, Sinosauropteryx, which continues to excite interest in questions concerning feather origins-most recently with alleged identificat[...]
Article
C. J. Pennycuick, Auteur ;
Peter L. F. Fast, Auteur ;
Ninon Ballerstaedt, Auteur ;
Niels Rattenborg, Auteur
Externally mounted transmitters or loggers may adversely affect migration performance for reasons other than the effects of added mass. The added frontal area of a payload box increases drag, and if the box triggers separation of the boundary la[...]
Article
T. Eeva, Auteur ;
P. Andelmin, Auteur ;
T. Hokkanen, Auteur ;
P. Riivari, Auteur ;
M. P. Ahola, Auteur ;
T. Laaksonen, Auteur ;
E. Lehikoinen, Auteur
We analyzed temporal and spatial variation in timing of breeding of a highly resident bird species, the Crested Tit (Lophophanes cristatus), over the past 86 years in southern Finland. Besides describing temporal changes in breeding times over t[...]
Article
Bo Du, Auteur ;
Qing-Shan Zhao, Auteur ;
Chang-Jing Liu, Auteur ;
Meng-Meng Guan, Auteur ;
Nai-Fa Liu, Auteur
Altricial birds may vary their relative reproductive investment at the egg versus nestling stages as an adaptive strategy to deal with variable or unpredictable food availability between stages. We investigated the parental investment strategies[...]
Article
Ursula Ellenberg, Auteur ;
Thomas Mattern, Auteur ;
David M. Houston, Auteur ;
Lloyd S. Davis, Auteur ;
Philip J. Seddon, Auteur
Historically, little contact with humans makes the Snares Penguin, Eudyptes robustus, an ideal species to study the natural response of penguins to human proximity. We measured behavioural and heart rate (HR) responses of Snares Penguins to a ra[...]
Article
Gunnar Thor Hallgrimsson, Auteur ;
Hallgrimur V. Gunnarsson, Auteur ;
Olafur Torfason, Auteur ;
Roland-Jan Buijs, Auteur ;
Kees C. J. Camphuysen, Auteur
On the species level, the non-breeding distribution and the migration patterns of most European birds are well known. In contrast, the knowledge of the contribution of different breeding populations to particular non-breeding sites (migratory co[...]
Article
Iñigo Zuberogoitia, Auteur ;
Beatriz Arroyo, Auteur ;
Barry O'Donoghue, Auteur ;
Jabi Zabala, Auteur ;
Jose A. Martinez, Auteur ;
Jose E. Martinez, Auteur ;
Stephen G. Murphy, Auteur
Wing tags have been used on many bird species to facilitate individual recognition, although tags are not only conspicuous for humans but may also attract the attention of potential predators. During a Peregrine Falcon Falco peregrinus monitorin[...]
Article
Constantin Ion, Auteur ;
Lucian Bolboaca, Auteur ;
Mitica Ciorpac, Auteur ;
Andrei Stefan, Auteur ;
Dragos Lucian Gorgan, Auteur
On 24 September 2010, a wild Great Reed Warbler x Reed Warbler (Acrocephalus arundinaceus x A. scirpaceus) was captured in northeastern Romania. The bird belonged to the Reed Warbler phenotype, but the body seemed to be larger than normal. DNA a[...]
Article
Joël Broyer, Auteur ;
Laurence Curtet, Auteur ;
Melanie Boissenin, Auteur
Agri-environment schemes usually assume that suitable management in patches of grassland habitat may benefit bird populations in improving the overall demographic balance. In this study, we investigate the hypothesis that nesting site fidelity a[...]
Article
M. Maegi, Auteur ;
R. Maend, Auteur ;
A. Konovalov, Auteur ;
V. Tilgar, Auteur ;
S. J. Reynolds, Auteur
The function of eggshell pigmentation has long been the subject of much speculation. Most of the proposed hypotheses have been based on a signalling function. According to the recently proposed structural-function hypothesis, birds use the pigme[...]
Article
Nicholas J. Bayly, Auteur ;
Philip W. Atkinson, Auteur ;
Stephen J. R. Rumsey, Auteur
To African-Palearctic migratory birds that spend the non-breeding season in sub-Saharan Africa, the Sahara desert is an ecological barrier that must be crossed using large energy reserves stored at stopover sites either side. Given the coinciden[...]
Article
Justine Braby, Auteur ;
Sigrid J. Braby, Auteur ;
Rodney J. Braby, Auteur ;
Res Altwegg, Auteur
Understanding the spatial dynamics of populations is essential for conservation of species at the landscape level. Species that have adapted to stable environments may not move from their breeding areas even if these have become sub-optimal due [...]
Article
Hailu Kinde, Auteur ;
Eileen Foate, Auteur ;
Emily Beeler, Auteur ;
Fransisco Uzal, Auteur ;
Janet Moore, Auteur ;
Robert Poppenga, Auteur
Several flocks of Cedar Waxwings (Bombycilla cedrorum) were found dead after colliding with solid objects such as picture windows, plexiglass, and fences. Necropsy examination revealed that all birds had engorged themselves with over-ripe berrie[...]
Article
Peter H. J. Wolfs, Auteur ;
Izabela K. Lesna, Auteur ;
Maurice W. Sabelis, Auteur ;
Jan Komdeur, Auteur
Nestling development and long-term survival in many bird species depend on factors such as parental feeding, time of breeding and environmental conditions. However, little research has been carried out on the effect of ectoparasites on nestling [...]
Article
Elizabeth Yohannes, Auteur ;
Raymond Lee, Auteur ;
Vladimir Popenko, Auteur ;
Ulf Bauchinger, Auteur
In migratory birds, seasonal factors interacting at different stages of the annual cycle can influence individual life histories. These have been well documented for Nearctic-Neotropical birds. Yet, seasonal interactions between the wintering, m[...]
Article
Arndt H. J. Wellbrock, Auteur ;
Christina Bauch, Auteur ;
Jan Rozman, Auteur ;
Klaudia Witte, Auteur
We investigated the reliability of buccal swabs for molecular sex determination in very young nestlings (0-14 days old) and adults of the Common Swift (Apus apus) compared to the results from blood samples of the same individuals. Sex determinat[...]
Article
Theunis Piersma, Auteur ;
Marco Van Der Velde, Auteur
In a southern Spanish population of the colonial-breeding Afrotropical migrant House Martins Delichon urbicum, a high overall prevalence of (molecularly assayed) haemosporidian infections (in the non-parasitological literature usually denoted wi[...]
Article
Dongming Li, Auteur ;
Gang Wang, Auteur ;
John C. Wingfield, Auteur ;
Fumin Lei, Auteur
In many avian species, it has been well demonstrated that individuals attempting to breed in harsh or unpredictable environments always express reduced adrenocortical responses to acute stress, whereas those breeding in more benign or predictabl[...]
Article
M. Mercedes Santos, Auteur ;
Mariana A. Juares, Auteur ;
Emilce F. Rombola, Auteur ;
Mirta L. Garcia, Auteur ;
Nestor R. Coria, Auteur ;
C. Patrick Doncaster, Auteur
We report the first study to compare the contents of pellets and regurgitates of South Polar Skuas, Stercorarius maccormicki, at two breeding colonies on the Antarctic Peninsula. Samples were taken across years from identified breeding pairs at [...]
Article
Maria Mateos-Rodriguez, Auteur ;
Bruno Bruderer, Auteur
Wind is an important selective agent in bird migration. In this study, we investigated the influence of wind on the air speed of pelagic seabirds in the Strait of Gibraltar by means of radar measurements. The birds were identified visually at th[...]
Article
Zuzanna M. Rosin, Auteur ;
Piotr Skorka, Auteur ;
Przemyslaw Wylegala, Auteur ;
Bartosz Krakowski, Auteur ;
Marcin Tobolka, Auteur ;
Lukasz Myczko, Auteur ;
Tim H. Sparks, Auteur ;
Piotr Tryjanowski, Auteur
It is well known that agricultural intensification has caused severe population declines among bird species which use farmland for breeding and overwintering, while migrating bird species may benefit from intensive farming, but in turn damage cr[...]
