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La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	[Migration routes and wintering areas of Ospreys Pandion haliaetus ringed in Germany]
Auteurs :	Daniel Schmidt, Auteur ; Dietrich Roepke, Auteur
Type de document :	Article
Dans :	Vogelwelt (Die) (122(3-4) 2001)
Article en page(s) :	141-146
Résumé :	Between 25 September 1928 and 14 July 2000, 140 long distance recoveries (>100 km, first recoveries of non-breeders) of Ospreys ringed as nestlings in Germany were reported to the three German Bird Ringing Centres Helgoland, Hiddensee and Radolfzell. The recoveries indicate migration routes and wintering areas of Ospreys born in central Europe. The number of Osprey nestlings ringed in Germany in the early years of the 20th century and before 1980 in unknown, because no records of the ringing efforts for the period exist. In the years 1980-1999, 3828 nestlings were ringed in eastern Germany which are included in the database of the Hiddensee Bird Ringing Centre, responsible for the ringing in the five eastern federal states of Germany. 403 reports of recoveries (10.5%) were in the database until 14 July 2000 with 130 of them (3.4%) as long distance first recoveries of non-breeders. A map shows the spatial distribution of all 140 long distance ring recoveries in Europe and Africa. Accordingly Ospreys that fledge in Germany mainly migrate south-south-westerly on a broad front through France and the Iberian Peninsula and some through Italy. Most Ospreys winter in West-Africa south of the Sahara, but some seem to stay along the coast of northern Africa and in southern Spain. Because the majority of Ospreys recovered was found in their first, second or third calendar year and mainly in autumn, only few data are available on adult or spring migration. Most Ospreys were reported dead, mostly shot, killed by collision with overhead wires or entangled in nets in the water. Results given here are generally consistent with data from North and North-west European Osprey ringing programs.

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