| S33.Summary: Bird migration across large ecological barriers. Convenors: Bruderer, B. & Gauthreaux, S.A. Jr. | 1930 |
| S33.1: Bird migration in the region of the Gulf of Mexico. Gauthreaux, S.A.Jr. & Belser, C.G. | 1931-1947 |
| S33.2: The migration of land birds over the Pacific Ocean. Williams, T.C. & Williams, J.M. | 1948-1957 |
| S33.3: Strategy of sea and desert crossing in spring passerine migrants as suggested by the analysis of intra- and inter-specific variation of residual fat levels. Spina, F. & Pilastro, A. | 1958-1976 |
| S33.4: Morphological and functional flexibility of the gastrointestinal tract in Garden Warblers Sylvia borin crossing the Sahara desert. Biebach, H. | 1977-1982 |
| S33.5: Bird migration across the Mediterranean. Bruderer, B. & Liechti, F. | 1983-1999 |
| Plenary | Symposium | Round Table Discussions | South African papers | Orals | Posters |