Table of Contents “...Sparks, and Mecislovas Zalakevicius -- Migratory fuelling and global climate change / Franz Bairlein and Ommo Hüppop -- Using large-scale data from ringed birds for the investigation of effects of climate change on migrating birds : pitfalls and prospects / Wolfgang Fiedler, Franz Bairlein, and Ulrich Köppen -- Breeding dates and reproductive performance / Peter Dunn -- Global climate change leads to mistimed avian reproduction / Marcel E. ...”