Long-distance migration and seasonality of resources
- The common noctule (Nyctalus noctula) is the one species where we combine the link of long- and short-distance movement and sociality. All European that have long-distance migration at all are sex-dimorphic in this behavior with only the females migrating or migrating longer distances. This means that in addition to the energy demanding reproductive period they also need to power migration and to fit all this into the brief time between hibernation periods. We are interested in the actual migration as well as the three crucial time periods before migration in spring (recover from hibernation and prepare for migration), the reproductive period in the summer, and after migration (preparation for hibernation) and the social structure during those times (collaboration with Wolfgang Fiedler, Kamran Safi, Irek Ruczynski.
- The straw-coloured fruit bat (Eidolon helvum) is probably the most numerous animal of Africa, an ecological keystone species, but also potential reservoir and vector of human-relevant diseases and a long-distance migrant. In collaboration with Jakob Fahr and PhD student Michael Abedi-Lartey we study long- and short-range movements of these bats as well as their foraging behavior. In conjunction with a West-Africa-wide monitoring network (you can contribute) we want to learn what drives migration in this species and also to come up with a landscape to subcontinental estimate of the provided ecosystem services of Eidolon in a changing human-influenced landscape and climate.