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Article
Anton Antonov, Auteur ; Bard G. Stokke, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, AuteurCapsule Birds select Cotton Thistles as a nesting substrate but these plants provide an unstable support.
Article
Anton Antonov, Auteur ; Bard G. Stokke, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, AuteurCapsule Birds select Cotton Thistles as a nesting substrate but these plants provide an unstable support.
Article
Anton Antonov, Auteur ; Bard G. Stokke, Auteur ; Peter S. Ranke, Auteur ; Frode Fossoy, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, AuteurThere is at present considerable variation in the level of antiparasite defences among different host species of avian brood parasites, but in many potential hosts some individuals reject poorly matching parasite eggs. Here we present unique abs[...]
Article
Anton Antonov, Auteur ; Bard G. Stokke, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, AuteurThe breeding ecology of eastern olivaceous warblers Hippolais pallida is poorly known. In this study, we provide data on nest site selection and breeding parameters of the species in a population in northwestern Bulgaria, the only one known to b[...]
Article
Sajeda Begum, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, Auteur ; Bard G. Stokke, AuteurHost nest use by the brood parasitic Asian Koel (Eudynamys scolopacea) has not previously been studied in detail. Here, we investigated factors that may explain patterns of nest use among three commonly used host species of the Asian Koel in Ban[...]
Article
Anton Antonov, Auteur ; Bard G. Stokke, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, AuteurUsing multiple logistic regression analysis, we investigated the influence of nest site characteristics, laying date and nest size in marsh warblers Acrocepbalus palustris on the risk of parasitism by common cuckoos cuculus canorus. Marsh warble[...]
Article
Arne Moksnes, Auteur ; Per-Anders Elvertro, AuteurIntraspecific brood parasitism in the Starling Sturnus vulgaris was studied in Central Norway. Before clutch initiation, Starlings recognise and remove parasitic conspecific eggs but are usually not able to do so after they have started to lay e[...]
Article
Canchao Yang, Auteur ; Bard G. Stokke, Auteur ; Anton Antonov, Auteur ; Yan Cai, Auteur ; Suhua Shi, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, Auteur ; Anders P. Moller, Auteur ; Wei Liang, Auteur ; Tomáš Grim, AuteurHow do potential hosts escape detrimental interactions with brood parasites? Current consensus is that hole-nesting and granivorous birds avoid brood parasites, like common cuckoos Cuculus canorus, by their inaccessible nest-sites and food unsui[...]
Article
Arne Moksnes, Auteur ; Eivin Roskaft, Auteur ; Geir Rudolfsen, Auteur ; Sigrun Skjelseth, Auteur ; Bard G. Stokke, Auteur ; Oddmund Kleven, Auteur ; H. Lisle Gibbs, Auteur ; Marcel Honza, Auteur ; Barbara Taborsky, Auteur ; Yvonne Teuschl, Auteur ; Wolfgang Vogl, Auteur ; Michael Taborsky, AuteurFemales of the obligate brood parasitic common cuckoo Cuculus canorus are assumed to lay eggs of consistent colour and pattern and egg characteristics have been used to separate between different individuals. We tested the "constant egg-type hyp[...]
Article
Canchao Yang, Auteur ; Anton Antonov, Auteur ; Yan Cai, Auteur ; Bard G. Stokke, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, Auteur ; Wei Liang, AuteurWe documented brood parasitism by the poorly studied Large Hawk-Cuckoo on a previously unknown host species, the Chinese Babax. Furthermore, we describe a new egg colour for the Large Hawk-Cuckoo. The parasitism rate of Chinese Babax nests over [...]
Article
Oddmund Kleven, Auteur ; Trond Oigarden, Auteur ; Bjorn E. Foyn, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, Auteur ; Geir Rudolfsen, Auteur ; Bard G. Stokke, Auteur ; Jan T. Lifjeld, AuteurSocial monogamy is common among passerines whereas genetic monogamy is regarded as rare. Here we report the first study of paternity in the genus Phoenicurus (Aves, Muscicapidae). In the socially monogamous common redstart (Phoenicurus phoenicur[...]
Article
Sajeda Begum, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, Auteur ; Bard G. Stokke, AuteurIn the arms race between avian brood parasites and their hosts, several adaptations and counter-adaptations have evolved. The most prominent host defence is rejection of parasitic eggs. We experimentally parasitized nests of 10 potential host sp[...]
Article
Canchao Yang, Auteur ; Longwu Wang, Auteur ; Yu-Cheng Hsu, Auteur ; Anton Antonov, Auteur ; Arne Moksnes, Auteur ; Eivin Roskaft, Auteur ; Wei Liang, Auteur ; Bard G. Stokke, AuteurBirds are capable of seeing the ultraviolet light (UV) spectrum and as a consequence have evolved UV-reflective structures with signalling functions. Avian eggs also reflect in the UV spectrum but the importance of UV egg matching in egg rejecti[...]
