| Titre : | Journal of Ornithology 162(4) - October, 2021 |
| Type de document : | Bulletin |
| Paru le : | 01/10/2021 |
Dépouillements
Article
Svein Dale, Auteur
In boreal forests, food supplies typically have cyclic variations, and many species here fluctuate in numbers from year to year. One group of species showing large variations in population size is birds specialized on seeds from masting trees. H[...]
Article
Artur Golawski, Auteur ;
Hubert Sytykiewicz, Auteur
Birds can adapt to urban areas by modifying their foraging behaviours to exploit novel urban food sources, which are far more diverse than in the country. Neophobia, the fear of novelty, can lead to missed new sources of food. Urban populations [...]
Article
Vicente de J. Castillo-Chora, Auteur ;
Luz E. Zamudio-Beltrán, Auteur ;
Carmen Pozo, Auteur ;
Blanca E. Hernández-Baños, Auteur
High diversity, complex topography and geological factors make the Neotropics an interesting region for the study of avian diversification. Phylogeography, in conjunction with ecological niche modeling, offers an interesting complementary approa[...]
Article
Antoine Louchart, Auteur ;
Anaïs Duhamel, Auteur
Cranes (Gruidae) have a poor early fossil record, and the oldest ascertained fossils hitherto referred to the family (either as crown or stem-representatives) date back to the early or middle Miocene. Other Gruoidea have an even scarcer fossil r[...]
Article
David Monticelli, Auteur ;
Hugues Defourny, Auteur ;
Emile Degros, Auteur ;
André Degros, Auteur
Inference studies from body mass during the non-breeding season are rare in seabirds due to methodological difficulties to sample individuals. Here, we used 12 years of data collected from 2000 to 2019 on about 6800 birds mist-netted at La Somon[...]
Article
Cornelia Voigt, Auteur ;
Stefan Leitner, Auteur ;
Manfred Gahr, Auteur ;
Andries Ter Maat, Auteur
Singing in tropical and Southern hemisphere birds often occurs throughout the year in the form of duetting, which is thought to be associated with year-round territoriality. White-browed Sparrow Weavers (Plocepasser mahali) are cooperatively bre[...]
Article
Zoltan Elek, Auteur ;
Miklós Bán, Auteur ;
Attila Fülöp, Auteur ;
Attila Marton, Auteur ;
Mark E. Hauber, Auteur ;
Csaba Moskát, Auteur
The brood parasitic Common Cuckoo Cuculus canorus is best known for its two-note “cu-coo” call which is almost continuously uttered by male during the breeding season and can be heard across long distances in the field. Although the informative [...]
Article
Agata Banach, Auteur ;
Grzegorz Neubauer, Auteur ;
Adam Flis, Auteur ;
Mateusz Ledwon, Auteur
The growth of a nestling during the first few weeks after hatching is crucial for its further life and is sensitive to the conditions experienced during this period. Among species exhibiting Sexual Size Dimorphism (SSD), one of the most importan[...]
Article
Ryan Baumbusch, Auteur ;
Virginia Morandini, Auteur ;
Vicente Urios, Auteur ;
Miguel Ferrer, Auteur
Physiology can either be a product of or affect the behavior and ecology of individual animals. Blood plasma chemistry contains many components that are indicative of several aspects of a bird’s physiological state at the time of sampling. Plasm[...]
Article
Zheng Han, Auteur ;
Hai-Tao Wang, Auteur ;
Kevin J. Kardynal, Auteur ;
Keith A. Hobson, Auteur ;
Wei-Ping Shang, Auteur ;
Li-Shi Zhang, Auteur ;
Yun-Lei Jiang, Auteur ;
Frédéric Jiguet, Auteur
There is sparse and contradictory information concerning the migratory status and non-breeding range of the endangered Jankowski’s Bunting Emberiza jankowskii, precluding the possible development of conservation measures dedicated to protecting [...]
Article
L. R. Neufeld, Auteur ;
S. Muthukumarana, Auteur ;
J. D. Fischer, Auteur ;
J. D. Ray, Auteur ;
J. Siegrist, Auteur ;
K. C. Fraser, Auteur
Timing is critical for species that migrate seasonally, as timing mismatches can lead to reduced reproductive success and population declines. We investigated the effect of breeding latitude on the migration timing of a long-distance migratory s[...]
Article
Piotr Indykiewicz, Auteur ;
Dariusz Jakubas, Auteur ;
Julita Gerke, Auteur
Many vertebrates exhibit a diel activity, steered by light–dark cycle. However, some colonial waterbirds, in that several species of gulls, are active not only in day hours but also at night. In this study, we aimed to investigate 24 h cycle of [...]
Article
Liviu G. Pârâu, Auteur ;
Michael Wink, Auteur
A plethora of studies have offered crucial insights in the phylogeographic status of Western Palearctic bird species. However, an overview integrating all this information and analyzing the combined results is still missing. In this study, we co[...]
Article
Robert Patchett, Auteur ;
Alexander N. G. Kirschel, Auteur ;
Joanna Robins King, Auteur ;
Patrick Styles, Auteur ;
Will Cresswell, Auteur
Female song is widespread across bird species yet rarely reported. Here, we report the first observations and description of female song in the Cyprus Wheatear Oenanthe cypriaca and compare it to male song through the breeding season. Twenty-fiv[...]
Article
Islamiat A. Raji, Auteur ;
Adams A. Chaskda, Auteur ;
Shiiwua A. Manu, Auteur ;
Colleen T. Downs, Auteur
The relationship between mistletoes and their host trees constitutes one of the unique host–parasite interactions in ecosystems. Most West African studies have reported on the parasitic nature of the relationship between Tapinanthus dodoneifoliu[...]
Article
Janusz Kloskowski, Auteur ;
Andrzej Trembaczowski, Auteur ;
Maciej Filipiuk, Auteur
Variation in food-chain length may influence a predator’s trophic position. In aquatic food webs, the energy value of prey typically increases with its trophic rank; hence a higher trophic-level diet is often assumed to indicate better habitat q[...]
Article
Stephen Takács, Auteur ;
Gerhard Gries, Auteur
Foraging behavior of Brown Rats (Rattus norvegicus) is commonly thought to be guided by olfactory cues. Here we tested the hypothesis that foraging Brown Rats eavesdrop on bird vocalizations to locate prey. We recorded calls of nestling Starling[...]
Article
Tore Slagsvold, Auteur ;
Karen L. Wiebe, Auteur
Among species that use similar resources, an individual may benefit by observing and copying the behavioural decision of a heterospecific. We tested the hypothesis of heterospecific social learning in passerine birds, namely that a migrant speci[...]
Article
Interspecific aggression is common in bird communities. It is thought to be a consequence of learned behavior or misdirected intraspecific aggression. In the former case birds acquire the ability to identify individuals of other species by socia[...]
Article
Ülo Väli, Auteur ;
Aigars Kalvāns, Auteur ;
Joosep Tuvi, Auteur
Dispersal and survival are important determinants of population dynamics and should be monitored in both threatened and recovered populations. We used colour ringing with a capture–mark–recapture approach to estimate the age distribution, surviv[...]
Article
Emilia Grzędzicka, Auteur ;
Jiri Reif, Auteur
Plant invasions alter bird community composition worldwide, but the underlying mechanisms still require exploration. The investigation of feeding guild structure of bird communities can be informative in respect to the potential impact of invasi[...]
Article
Katherine R. S. Snell, Auteur ;
Morten Frederiksen, Auteur ;
Thomas Bregnballe, Auteur
Differential migration strategies in the same population provide an opportunity to investigate the development and constraints of the migratory programme. We used data from birds ringed from the large Danish breeding population of Great Cormoran[...]
