Affiliation: | Institute for Biology, Norwegian University of Science and Technology, Realfagsbygget, N-7491 Trondheim, Norway;;Department of Mathematical Sciences, Norwegian University of Science and Technology, N-7491 Trondheim, Norway;;Division of Biology 0116, University of California at San Diego, La Jolla, CA 92093, USA;;Laboratoire Parasitologie Evolutive, CNRS UMR 7103, UniversitéPierre et Marie Curie, Bat. A, 177, quai St Bernard, Case 237, F-75252 Paris Cedex 5, France;;Department of Animal Ecology, Ecology Building, Lund University, S-223 62 Lund, Sweden;and;Max Planck Research Centre for Ornithology, Vogelwarte Radolfzell, Schlossallee 2, D-78315 Radolfzell, Germany |