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Article
Martin Kraft, AuteurCrane migration has been surveyed systematically in the Marburg area, Hesse, since 1987, providing a comprehensive overview about timing, numerical trends and year-to year-changes in migration phenology (see Kraft 1999, this issue). An unusual m[...]
Article
Martin Kraft, AuteurThe Marburg area has always been on the classical migration route of the Common Crane, but systematic counts of migrating birds have only been performed since 1987. Results are presented in this paper. From the roof of the biology building, Phil[...]
