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About the Author(s)
Lukas Jenni was a volunteer at the Swiss
Ornithological Institute while studying zoology, botany, geology and chemistry
at Basel University. His interest in moult and ageing arose while working with
Raffael Winkler. His main research interests are in ecology and the physiology
of bird migration, as well as moult biology.
Raffael Winkler graduated with a PhD thesis on the pneumatization of the skull roof in birds. In 1980 he was elected curator of the bird collection at the Natural History Museum, Basel. Since then, he has edited the Avifauna of Switzerland and carried on the Museum's own tradition in moult research.