Fig. 1From: To cross or not to cross – thrushes at the German North Sea coast adapt flight and routing to wind conditions in autumna Tag deployment sites of thrushes at the coast of Schleswig-Holstein, Germany, during autumn migration 2017 and 2018. b Locations of automated radio-telemetry receivers at the German North Sea coast (open circles: receiver stations active in 2017 and 2018, black dots: additional receiver stations active in 2018). Semi-transparent circles are presumed 10 km detection radii of antennas. Dashed grey lines indicate threshold latitude and longitude for flight categorisationBack to article page