| Titre : | Ardea 107(3) - DEC 2019 |
| Type de document : | Bulletin |
| Paru le : | 01/12/2019 |
Dépouillements
Article
Rob G. Bijlsma, Auteur
Article
Miklós Laczi, Auteur ;
Márton Herényi, Auteur ;
Gergely Hegyi, Auteur ;
János Török, Auteur
Albinism is a remarkably rare colour deficiency among natural populations of bird species. Here we document the first record of true albinism in a wild population of Collared Flycatchers Ficedula albicollis. We found a nest of two albino and thr[...]
Article
Kozue Shiomi, Auteur ;
Nobuo Kokubun, Auteur ;
Ui Shimabukuro, Auteur ;
Akinori Takahashi, Auteur
Adelie Penguins Pygoscelis adeliae live exclusively in Antarctica and commute between the sea for foraging and the land for breeding. During these movements, they must navigate various environments: underwater, on sea ice and on land; an unusual[...]
Article
Hannah Madden, Auteur
Mate choice and nest cavity selection are directly linked to reproductive performance in seabirds, and disruption of these can result in breeding failure. The Red-billed Tropicbird Phaethon aethereus mesonauta breeds on inaccessible and remote i[...]
Article
Abbas Ashoori, Auteur ;
Yaghoub Rakhshbhar, Auteur ;
Paolo Galeotti, Auteur ;
Mauro Fasola, Auteur
At Anzali Lagoon, on the southwest coast of the Caspian Sea, Great Crested Grebes Podiceps cristatus were observed breeding both in monospecific colonies and in a mixed colony with Whiskered Terns Chlidonias hybridus. In the mixed colony, Great [...]
Article
Raf Vervoort, Auteur ;
Bart Kempenaers, Auteur
In lekking male Ruffs, three genetically distinct morphs compete for copulations with the visiting females. Faeder males are female mimics, whereas Independents and Satellites show marked sexual dimorphism, including an elaborate ornamental plum[...]
Article
Mo A. Verhoeven, Auteur ;
A. H. Jelle Loonstra, Auteur ;
Alice D. McBride, Auteur ;
Joost M. Tinbergen, Auteur ;
Rosemarie Kentie, Auteur ;
Jos C. E. W. Hooijmeijer, Auteur ;
Christiaan Both, Auteur ;
Nathan R. Senner, Auteur ;
Theunis Piersma, Auteur
As is the case for most avian species, there is considerable variation in the egg size of Continental Black-tailed Godwits Limosa l. limosa breeding in The Netherlands. It is interesting that egg size has costs and benefits yet varies considerab[...]
Article
Jan van der Winden, Auteur ;
Niels Hogeweg, Auteur ;
Judy Shamoun-Baranes, Auteur ;
Theunis Piersma, Auteur
In many bird species intraspecific variation in migration strategies is related to sex or size. The Eurasian Bittern Botaurus stellaris is a sexually size-dimorphic heron species with a vast breeding and wintering range spanning a range of clima[...]
Article
Rob G. Bijlsma, Auteur
Article
Hans-Valentin Bastian, Auteur ;
Anita Bastian, Auteur ;
Sabrina Essel, Auteur ;
Dieter Thomas Tietze, Auteur
In July 2016, six European Bee-eaters Merops apiaster were tagged with radio transmitters in order to determine their space use during breeding and postbreeding. During breeding, home-range sizes were 2.0-5.5 km(2) (95% kernel contour of minimum[...]
Article
Roberto G. Valle, Auteur ;
Francesco Scarton, Auteur
Censusing breeding Common Redshanks Tringa totanus is hard, in view of the difficulty to access the breeding sites, find the highly camouflaged nests and avoid disturbing nesting birds. Drones are increasingly used to census waterbirds, owing to[...]
Article
Juan G. Navedo, Auteur ;
Jorge S. Gutiérrez, Auteur ;
Pablo Salmon, Auteur ;
David Arranz, Auteur ;
Marta Novo, Auteur ;
Dario J. Diaz-Cosin, Auteur ;
Alejandro G. Herrera, Auteur ;
José A. Masero, Auteur
Coastal pastures provide supplementary foraging habitats for migratory shorebirds that rely on intertidal areas outside the breeding season. However, their role as foraging grounds for shorebirds is poorly understood. Here, we assessed the food [...]
Article
A. H. Jelle Loonstra, Auteur ;
Mo A. Verhoeven, Auteur ;
Adam Zbyryt, Auteur ;
Ester Schaaf, Auteur ;
Christiaan Both, Auteur ;
Theunis Piersma, Auteur
The miniaturization of tracking devices is now rapidly increasing our knowledge on the spatiotemporal organization of seasonal migration. So far, most studies aimed at understanding within- and between-individual variation in migratory routines [...]
Article
Vojtech Kubelka, Auteur ;
Martin Sladecek, Auteur ;
Václav Zámečník, Auteur ;
Eva Vozabulová, Auteur ;
Miroslav Šálek, Auteur
Egg size represents a fundamental predictor of chick mass and body condition. Chicks from bigger eggs have significantly increased survival, especially in precocial species, where chicks must forage for themselves and cope with environmental thr[...]
