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Article
Fraenzi Korner-Nievergelt, Auteur ; Josef Hofer, Auteur ; Annette Sauter, Auteur ; Lukas Jenni, AuteurDans Wildfowl (2 2009)Within-winter movements of birds are of interest for the identification of sub-populations and for the assessment of the risk of bird-transmitted diseases. The probability of a Tufted Duck Aythya fuligula or a Common Pochard A. ferina wintering [...]
Article
Annette Sauter, Auteur ; Fraenzi Korner-Nievergelt, Auteur ; Lukas Jenni, AuteurOther than during periods of migration, animal movement tends to be poorly described, despite the potential importance of such movements, which may prove crucial for surviving periods of bad weather and low food availability. We analysed within-[...]
Article
Fraenzi Korner-Nievergelt, Auteur ; Annette Sauter, Auteur ; Philip W. Atkinson, Auteur ; Jerome Guelat, Auteur ; Wojciech Kania, Auteur ; Marc Kéry, Auteur ; Ulrich Koeppen, Auteur ; Robert A. Robinson, Auteur ; Michael Schaub, Auteur ; Kasper Thorup, Auteur ; Henk van der Jeugd, Auteur ; Arie J. van Noordwijk, AuteurRing re-encounter data, in particular ring recoveries, have made a large contribution to our understanding of bird movements. However, almost every study based on ring re-encounter data has struggled with the bias caused by unequal observer dist[...]
Article
Annette Sauter, Auteur ; Pius Korner, Auteur ; Wolfgang Fiedler, Auteur ; Lukas Jenni, AuteurCommon 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[...]
