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Article
Markus Handschuh, Auteur ; Malte Bickel, Auteur ; Rene Apel, Auteur ; Dennis Guenther, Auteur ; Ingmar Harry, Auteur ; Ralph Martin, Auteur ; Lukas Reese, Auteur ; Matthias Reinschmidt, Auteur ; Monika Rinder, Auteur ; Patrick Ruecker, Auteur ; Konrad Schnaible, Auteur ; Andre Stadler, Auteur ; Frank Wichmann, Auteur ; Juergen Wuhrer, Auteur ; Marc I. Foerschler, Auteur
Article
Marc I. Foerschler, Auteur ; Christoph Randler, Auteur ; Jochen Dierschke, Auteur ; Franz Bairlein, AuteurCapsule We found closely related Cyprus Wheatears Oenanthe cypriaca and Pied Wheatears Oenanthe pleschanka to differ significantly from each other in 14 external morphometric characters, supporting the independent taxonomic status of both forms.[...]
Article
Marc I. Foerschler, Auteur ; Christoph Randler, AuteurWe studied the song of the insular Cyprus Short-toed Treecreeper, Certhia brachydactyla dorotheae Hartert, 1904, and compared it with the songs of mainland populations. The song of dorotheae differs from the Central European and south-west Europ[...]
Article
Patrick Stader, Auteur ; Charly Ebel, Auteur ; Marc I. Foerschler, AuteurThe dietary spectrum of wild Capercaillies is in general well known, but until now mostly studied by droppings or by observing birds in captivity. SANIGA (2002) applied another method in the West Carpathians, while he observed four deviant Caper[...]
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Marc I. Foerschler, Auteur ; Elisabeth K. V. Kalko, AuteurThe breeding ecology and nest site selection of mainland Citril Finches and insular Corsican Finches have been studied throughout their limited range. For many years both endemic forms were considered to be two sub-species; however, based on evi[...]
Article
Marc I. Foerschler, Auteur ; Esther Del Val, Auteur ; Franz Bairlein, AuteurNatal dispersal is a key component of population dynamics in birds. It guarantees the genetic exchange of populations, favours range expansions and reduces intraspecific competition. In general, natal philopatry of migratory passerines is quite [...]
Article
Marc I. Foerschler, Auteur ; Elisabeth K. V. Kalko, AuteurWe studied variations in diet composition in sub-populations of mainland citril finches Carduelis [citrinella] citrinella in European mountain chains, compared to closely related insular Corsican (citril) finches Carduelis [citrinella] corsicanu[...]
Article
Marc I. Foerschler, Auteur ; Olaf Geiter, AuteurIslands are natural laboratories for the study of evolution and help us to explain the patterns of diversification at large spatial scales. The colonisation of an island by a bird species inevitably involves divergence from the mainland mother p[...]
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Christoph Randler, Auteur ; Marc I. Foerschler, Auteur ; Javier Gonzalez, Auteur ; Mansour Aliabadian, Auteur ; Franz Bairlein, Auteur ; Michael Wink, AuteurThe insular endemic Cyprus Wheatear Oenanthe cypriaca has been considered as a subspecies of Pied Wheatear O. pleschanka. However, due to several differences in behaviour, habitat selection and morphology, it is currently treated by most authors[...]
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Marc I. Foerschler, Auteur ; Juergen Klaeger, AuteurDans Aves (44(1) 2007)Range expansion of Citril Finches (Carduelis citrinella) in southern Spain Recently, Citril Finches have become established during the breeding season in small numbers at Puerto de la Ragua (2,000 m) in the Sierra Nevada, southern Spain. At pres[...]
Article
Marc I. Foerschler, AuteurBetween 2000 and 2002 a male phenotypical intermediate hybrid between redstart Phoenicurus phoenicurus and black redstart P. ochruros. was observed regularly during the breeding season in the Northern Black Forest (Ruhestein, 950 m NN; district [...]
Article
Jan O. Engler, Auteur ; Dennis Roedder, Auteur ; Darius Stiels, Auteur ; Marc I. Foerschler, AuteurThe realized distribution of animals is often delimited by climatic factors which define, next to the specific habitat and food availability, their species-specific potential distribution. We studied the environmental limitations affecting the r[...]
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Marc I. Foerschler, Auteur ; Elisabeth K. V. Kalko, AuteurThe evolution of crossbills is one of the most fascinating topics in evolutionary ecology. Recent studies have shown an astonishing divergence in terms of vocalisation between morphologically quite similar crossbill populations in the Red/Common[...]
