Institution: | Division of Environmental &Evolutionary Biology, Institute of Biomedical &Life Sciences, Graham Kerr Building, University of Glasgow, Glasgow G12 8QQ, UK,;Avian Science Research Centre, Scottish Agricultural College, Auchincruive, Ayr KA6 5HW, UK, and;Laboratoire d'Ecologie Evolutive Parasitaire, CNRS FRE 2365, UniversitéPierre et Marie Curie, Bât. A, 7ème étage, 7 quai St. Bernard, Case 237, F-75252 Paris Cedex 05, France |