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Institut de recherche pour la conservation des zones humides méditerranéennes

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Titre :	Increasing numbers of Peregrines (Falco peregrinus) in western Schleswig-Holstein/Germany since 1980
Auteurs :	Guenther Busche, Auteur ; Holger A. Bruns, Auteur ; Peter Todt, Auteur
Type de document :	Article
Dans :	Vogelwarte (39(3) Feb., 1998)
Article en page(s) :	183-189
Langues:	Allemand
Résumé :	Numbers of Peregrines wintering and on passage in western Schleswig-Holstein have increased. 1839 observations in the period 1945-95 display declines (minimum in 1974) and increases, especially after 1988. At present (1995) 20 individuals occur on the west coast in the beginning of November. In January of the mild winter 1994/95 it is estimated that 10 individuals occurred at the west coast. In the cold winter of 1995/96 an estimated 7 individuals were present. Autumn passage is somewhat larger than spring passage. 81% of all Peregrines occur directly on the coast and 19% inland. In the period 1982 to 1994 109 Peregrines were released in Schleswig-Holstein and bordering areas to the south as part of a re-establishment programme. The present breeding population (1995-96) on the west coast of Schleswig-Holstein is probably a result of this programme or originates from the breeding population of the coasts of Lower Saxony (I ringing recovery), Hamburg or Bremen. This is probably also the case for the birds recorded in the summer months (2 ringing coveries). The increase of the Peregrine as passage migrant and as a winter visitor is probably mainly a result of the increase in the size of the Fennoscandian (especially Swedish) breeding population.

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