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Article
Gudrun Hilgerloh, Auteur ; Andreas Michalik, Auteur ; Bernd Raddatz, AuteurSystematic bird observations were performed during autumn 2006 in the migration bottleneck area of Zeit Bay, Egypt (27.73 degrees N, 33.51 degrees E), situated on the coast of the Gulf of Suez, opposite southern Sinai. Owing to the strong northe[...]
Article
The study area at Zait Bay, Egypt (C. 700 km(2)) is situated in the middle of the West Asian-East African migration flyway used by very large numbers of soaring migrants. At this site the corridor narrows into a bottleneck. There exist only very[...]
Article
Article
Ommo Hueppop, Auteur ; Gudrun Hilgerloh, AuteurMany bird species call during migration, but call rates not necessarily reflect migration intensity. They rather seem to increase under deteriorating flight conditions. Often, nocturnal mass collisions at illuminated structures coincide with suc[...]
