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Article
Kees Koffijberg, Auteur ; Caspar Hallman, Auteur ; Oskars Keišs, Auteur ; Norbert Schaffer, AuteurIn the mid-1990s, thriving Corncrake populations were discovered in many eastern European countries, leading also to downlisting the species on the global and European Red Lists. The collapse of collective farming systems-provided the species wi[...]
Article
Norbert Schaffer, Auteur ; Bruno A. Walther, Auteur ; Kim Gutteridge, Auteur ; Carsten Rahbek, AuteurThere is a clear need for protection of the migration and wintering grounds of the Globally Threatened Aquatic Warbler Acroccphalus paludicola, but little is known about them and the threats they face. To narrow this gap, a desk study was perfor[...]
Article
Rhys E. Green, Auteur ; Norbert Schaffer, Auteur ; Dieter Wend, AuteurThe shapes of the tips of Corncrake Crex crex secondary remiges grown by chicks and adults were compared. Measurements of secondaries of birds of known age were obtained from wild Corncrakes in Britain and captive-bred birds originating from Ger[...]
