Steffen Hahn


      Steffen Hahn
      Steffen Hahn (Foto © Archiv Vogelwarte)
      Dr. rer. nat. Steffen Hahn
      Department of Bird Migration
      Swiss Ornithological Institute
      Seerose 1
      6204 Sempach

      ++41 41 462 97 83 (Phone)
      ++41 41 462 97 10 (Fax)




      • avian and polar ecology
      • stable isotope ecology
      • respirometry
      • tracking migration by geolocation by light

      Current Projects

      • Disentangling the effects of avian malaria infection on migration patterns.
      • Seasonal and disease induced changes in metabolic rates of migrants.
      • Tracking small animals using light intensity records (geolocation)
      • Determination of wintering and stop-over sites of (near) passerines within the Palaearctic-African migration system.
      • Carry-over effects of conditions along the migration route to the performance in subsequent life history stages in birds



      we should not forget our roots: FAN-B


      since 2008 researcher at Swiss Ornithological Institute, Department of Bird Migration
      2005 – 2008 Post-Doc at the Netherlands Institute of Ecology, NIOO-KNAW Centre for Limnology
      2004 – 2005 Post-Doc at the Institute of Ecology, University of Jena, Germany
      2003 – 2004 Temporary field researcher for BayerCropScience
      2002 Ph.D. in Biology (Ecology), Friedrich-Schiller-University Jena, Germany


      Selected publications Steffen Hahn (2012-today)

      For a complete list see:

      • Hahn S et al. (2016) Longer wings for faster springs – wing length relates to spring phenology in a long-distance migrant across its range. Ecology and Evolution 6:68-77. doi: 10.1002/ece3.1862 Full text
      • Adamik P et al. (2016) Barrier crossing in small avian migrants: individual tracking reveals prolonged nocturnal flights into the day as a common migratory strategy. Scientific Reports 6:21560. doi: 10.1038/srep21560 Full text
      • Bauer S, Lisovski S, Hahn S (2016) Timing is crucial for consequences of migratory connectivity. Oikos 125:605-612. doi: 10.1111/oik.02706 Full text
      • Briedis M, Beran V, Hahn S, Adamík P (2016) Annual cycle and migration strategies of a habitat specialist, the Tawny Pipit Anthus campestris, revealed by geolocators. J. Ornithol. 157:619–626. doi: 10.1007/s10336-015-1313-3 Full text
      • Briedis M et al. (2016) Breeding latitude leads to different temporal but not spatial organization of the annual cycle in a long-distance migrant. J. Avian Biol.:online. doi: 10.1111/jav.01002 Full text
      • Emmenegger T, Hahn S, Arlettaz R, Amrhein V, Zehtindjiev P, Bauer S (2016) Shifts in vegetation phenology along flyways entail varying risks of mistiming in a migratory songbird. Ecosphere 7:e01385. doi: 10.1002/ecs2.1385 Full text
      • Gersten A, Hahn S (2016) Timing of migration in Common Redstarts (Phoenicurus phoenicurus) in relation to the vegetation phenology at residence sites. J. Ornithol. 157:1029-1036. doi: 10.1007/s10336-016-1359-x Full text
      • Koleček J et al. (2016) Cross-continental migratory connectivity and spatiotemporal migratory patterns in the great reed warbler. J. Avian Biol. 47:online. doi: 10.1111/jav.00929  Full text
      • Lislevand T, Briedis M, Heggøy O, Hahn S (2016) Seasonal migration strategies of Common Ringed Plovers Charadrius hiaticula. Ibis. doi: 10.1111/ibi.12424 Full text
      • Ouwehand J et al. (2016) Light-level geolocators reveal migratory connectivity in European populations of pied flycatchers Ficedula hypoleuca. J. Avian Biol. 47:69-83. doi: 10.1111/jav.00721 Full text
      • Prochazka P et al. (2016) Delineating large-scale migratory connectivity of reed warblers using integrated stochastic multi-state models. Diversity and Distributions:1-14. doi: 10.1111/ddi.12502 Full text
      • Lislevand, T., Hahn, S. (2015) Skipping-type migration in a small Arctic wader, the Temminck’s stint Calidris temminckii. J. Avian Biol. doi: 10.1111/jav.00653 Full text
      • Arbeiter, S., Schulze, M., Tamm, P., Hahn, S. (2015) Strong cascading effect of weather conditions on prey availability and annual breeding performance in European bee-eaters Merops apiaster. J. Ornithol.:1-9. doi: 10.1007/s10336-015-1262-x  Full text
      • Lislevand, T., Chutný, B., Byrkjedal, I., Pavel, V., Briedis, M., Adamik, P., Hahn, S. (2015) Red-spotted Bluethroats Luscinia s. svecica migrate along the Indo-European flyway: a geolocator study. Bird Study. doi: 10.1080/00063657.2015.1077781 Full text
      • Navedo, J.G., Hahn, S., Parejo, M., Abad-Gómez, J.M., Gutiérrez, J.S., Villegas, A., Sánchez-Guzmán, J.M., Masero, J. (2015) Unraveling trophic subsidies of agroecosystems for biodiversity conservation: food consumption and nutrient recycling by waterbirds in Mediterranean rice fields. Science of the Total Environment 511:288–297. doi: 10.1016/j.scitotenv.2014.12.068 Full text
      • Ouwehand, J., Ahola, M.P., Ausems, A., Bridge, E., Burgess, M., Hahn, S., Hewson, C.M., Klaassen, R.H.G., Laaksonen, T., Lampe, H.M., Velmala, W., Both, C. (2015) Light-level geolocators reveal migratory connectivity in European populations of pied flycatchers Ficedula hypoleuca. J. Avian Biol. DOI: 10.1111/jav.00721, Full text
      • Hahn, S., Emmenegger, T., Lisovski, S., Amrhein, V., Zehtindjiev, P. & Liechti, F. (2014) Variable detours in long-distance migration across ecological barriers and their relation to habitat availability at ground. Ecology and Evolution 4 (21): 41504160. (DOI: 10.1002/ece3.1279) Full text.
      • Hahn, S., Dimitrov, D., Rehse, S., Yohannes, E. & Jenni, L. (2014)
        Avian claw morphometry and growth determine the temporal pattern of archived stable isotopes. Journal of Avian Biology, 45, 202–207. (DOI: 10.1111/j.1600-048X.2013.00324.x ) Full text.
      • Emmenegger, T., Hahn, S. & Bauer, S. (2014)
        Individual migration timing of common nightingales is tuned with vegetation and prey phenology at breeding sites. BMC Ecology, 14, 9. (DOI: 10.1186/1472-6785-14-9) Full text.
      • Liechti, F., Scandolara, C., Rubolini, D., Ambrosini, R., Korner-Nievergelt, F., Hahn, S., Lardelli, R., Romano, M., Caprioli, M., Romano, A., Sicurella, B. & Saino, N. (2015) Timing of migration and residence areas during the non-breeding period of barn swallows Hirundo rustica in relation to sex and population. Journal of Avian Biology 46 (3): 254-265 (DOI 10.1111/jav.00485) Full text.
      • Arbeiter, S., Schnepel, H., Uhlenhaut, K., Bloege, Y., Schulze, M. & Hahn, S. (2014)
        Seasonal shift in the diet composition of European Bee-eaters Merops apiaster at the northern edge of distribution. Ardeola, 61, 161-170. (doi: 10.13157/arla.61.1.2014.161). Full text.
      • Scandolara, C., Rubolini, D., Ambrosini, R., Caprioli, M., Hahn, S., Liechti, F., Romano, A., Romano, M., Sicurella, B. & Saino, N. (2014)
        Impact of miniaturized geolocators on barn swallow Hirundo rustica fitness traits. Journal of Avian Biology, 45 (5): 415-423 (DOI: 10.1111/jav.00412) Full text.
      • Hahn, S., Amrhein, V., Zehtindjiev, P. & Liechti, F. (2013)
        Strong migratory connectivity and seasonally shifting isotopic niches in geographically separated populations of a long-distance migrating songbird. Oecologia, 173, 1217-1225 (doi: 10.1007/s00442-013-2726-4). Full text.
      • Van Wijk RE, Schaub M, Tolkmitt D, Becker D, Hahn S (2013)
        Short-distance migration of wrynecks Jynx torquilla from Central European populations. Ibis
        155 (4): 886-890. (doi: 10.1111/ibi.12083). Full text.
      • Salewski V, Flade M, Poluda A, Kiljan G, Liechti F, Lisovski S, Hahn S (2013)
        An unknown migration route of the ‘globally threatened’ Aquatic Warbler revealed by geolocators. J Ornithol 154: 549-552 (DOI: 10.1007/s10336-012-0912-5). Full text.
      • Emmenegger, T., Mayet, P., Duriez, O. & Hahn, S. (2013)
        Directional shifts in migration pattern of rollers (Coracias garrulus) from a western European population. Journal of Ornithology, 155, 427-433. (DOI: 10.1007/s10336-013-1023-7) Full text.
      • Lislevand, T. & Hahn, S. (2013)
        Effects of geolocator deployment by using flexible leg loop harnesses in a small wader. Wader Study Group Bulletin, 120, 108-113. Full text.
      • Arbeiter S, Schulze M, Todte I & Hahn S (2012)
        The migration behaviour and dispersal of European Bee-eaters (Merops apiaster) breeding in Saxony-Anhalt (Germany).
        Ber. Vogelwarte Hiddensee 33-40. Full text.
      • Lisovski S, Hahn S (2012)
        GeoLight – processing and analysing light-based geolocator data in R.Meth Ecol Evol 3 (6): 1155-1059 (DOI: 10.1111/j.2041-210X.2012.00248.x). Full text.
      • Lisovski S, Hewson CW,  Klaassen RHG, Korner-Nievergelt F, Kristensen MW, Hahn S (2012)
        Geolocation by light: accuracy and precision affected by environmental factors.
        Meth Ecol Evol online early (doi: 10.1111/j.2041-210X.2012.00185.x). Full text.
      • Hahn S, Hoye BJ, Korthals H, Klaassen M (2012)
        From food to offspring down: Tissue-specific discrimination and turn-over of stable isotopes in herbivorous waterbirds and other avian foraging guilds.
        PLoS ONE 7(2): e30242. (DOI:10.1371/journal.pone.0030242). Full text.
      • Hoye BJ, Hahn S, Nolet B.A: Klaassen M (2012)
        Habitat use throughout migration: linking individual consistency, prior breeding success and future breeding potential.
        J Anim Ecol (doi: 10.1111/j.1365-2656.2011.01948.x ). Full text.
      • Korner-Nievergelt F, Liechti F, Hahn S (2012)
        Migratory connectivity derived from sparse ring reencounter data with unknown numbers of ringed birds.
        J Ornithol (doi:10.1007/s10336-011-0793-z). Full text.
      • External links: we should not forget our roots: FAN-B